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Engine Control System Troubleshooting Guide

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Engine Control System Diagnosis Guide Re-uploaded by OBDCodex

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EC-1 ENGINE C D E F G H I J K L M SECTION EC A EC N O P CONTENTS ENGINE CONTROL SYSTEM MR SERVICE INFORMATION ........................ ...15 INDEX FOR DTC ............................................ ....15 U1000-U1010 ...................................................... ....15 P0011-P0075 ...................................................... ....15 P0101-P0128 ...................................................... ....15 P0130-P0223 ...................................................... ....16 P0300-P0420 ...................................................... ....16 P0441-P0463 ...................................................... ....17 P0500-P0643 ...................................................... ....17 P0705-P0845 ...................................................... ....18 P0850-P1574 ...................................................... ....18 P1610-P1615 ...................................................... ....19 P1715-P1805 ...................................................... ....19 P2100-P2A00 ...................................................... ....19 PRECAUTIONS .............................................. ....21 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" ............................................................. ....21 Precaution for Procedure without Cowl Top Cover ....21 On Board Diagnosis (OBD) System of Engine and CVT ..................................................................... ....21 Precaution ........................................................... ....22 PREPARATION .............................................. ....25 Special Service Tool ........................................... ....25 Commercial Service Tool .................................... ....25 ENGINE CONTROL SYSTEM ........................ ....27 Schematic ........................................................... ....27 Multiport Fuel Injection (MFI) System ................. ....27 Electronic Ignition (EI) System ............................ ....30 Fuel Cut Control (at No Load and High Engine Speed) ................................................................. ....30 AIR CONDITIONING CUT CONTROL ........... ....32 Input/Output Signal Chart .................................... ....32 System Description ............................................. ....32 AUTOMATIC SPEED CONTROL DEVICE (ASCD) ..............................................................33 System Description .............................................. ....33 Component Description ....................................... ....34 CAN COMMUNICATION ...................................35 System Description .............................................. ....35 EVAPORATIVE EMISSION SYSTEM ...............36 Description ........................................................... ....36 Component Inspection ......................................... ....38 Removal and Installation ..................................... ....39 How to Detect Fuel Vapor Leakage ..................... ....40 ON BOARD REFUELING VAPOR RECOV- ERY (ORVR) ......................................................42 System Description .............................................. ....42 Diagnosis Procedure ........................................... ....42 Component Inspection ......................................... ....44 POSITIVE CRANKCASE VENTILATION .........47 Description ........................................................... ....47 Component Inspection ......................................... ....47 NVIS (NISSAN VEHICLE IMMOBILIZER SYS- TEM-NATS) .......................................................49 Description ........................................................... ....49 ON BOARD DIAGNOSTIC (OBD) SYSTEM ....50 Introduction .......................................................... ....50 Two Trip Detection Logic ..................................... ....50 Emission-related Diagnostic Information ............. ....51 Malfunction Indicator Lamp (MIL) ........................ ....66 OBD System Operation Chart ............................. ....69 BASIC SERVICE PROCEDURE .......................75 Basic Inspection .................................................. ....75 Idle Speed and Ignition Timing Check ................. ....79 Procedure After Replacing ECM ......................... ....80 VIN Registration .................................................. ....81 Accelerator Pedal Released Position Learning ... ....81 Throttle Valve Closed Position Learning ............. ....81 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-2 Idle Air Volume Learning ..................................... ... 81 Fuel Pressure Check ........................................... ... 83 TROUBLE DIAGNOSIS .................................. ... 86 Trouble Diagnosis Introduction ............................ ... 86 DTC Inspection Priority Chart .............................. ... 90 Fail-Safe Chart .................................................... ... 91 Symptom Matrix Chart ......................................... ... 92 Engine Control Component Parts Location ......... ... 97 Vacuum Hose Drawing ........................................ ..103 Circuit Diagram .................................................... ..104 ECM Harness Connector Terminal Layout .......... ..106 ECM Terminal and Reference Value ................... ..106 CONSULT-III Function (ENGINE) ....................... ..113 Generic Scan Tool (GST) Function ..................... ..121 CONSULT-III Reference Value in Data Monitor .. ..123 TROUBLE DIAGNOSIS - SPECIFICATION VALUE ............................................................ . 127 Description ........................................................... ..127 Testing Condition ................................................. ..127 Inspection Procedure ........................................... ..127 Diagnosis Procedure ........................................... ..127 TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ....................................................... . 135 Description ........................................................... ..135 Diagnosis Procedure ........................................... ..135 POWER SUPPLY AND GROUND CIRCUIT .. . 136 Wiring Diagram .................................................... ..136 Diagnosis Procedure ........................................... ..137 Ground Inspection ............................................... ..140 DTC U1000, U1001 CAN COMMUNICATION LINE ................................................................ . 142 Description ........................................................... ..142 On Board Diagnosis Logic ................................... ..142 DTC Confirmation Procedure .............................. ..142 Wiring Diagram .................................................... ..143 Diagnosis Procedure ........................................... ..143 DTC U1010 CAN COMMUNICATION ............ . 144 Description ........................................................... ..144 On Board Diagnosis Logic ................................... ..144 DTC Confirmation Procedure .............................. ..144 Diagnosis Procedure ........................................... ..144 DTC P0011 IVT CONTROL ............................ . 145 Description ........................................................... ..145 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..145 On Board Diagnosis Logic ................................... ..146 DTC Confirmation Procedure .............................. ..146 Diagnosis Procedure ........................................... ..147 Component Inspection ......................................... ..148 Removal and Installation ..................................... ..148 DTC P0031, P0032 A/F SENSOR 1 HEATER. 149 Description ........................................................... ..149 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 149 On Board Diagnosis Logic ................................... . 149 DTC Confirmation Procedure ............................... . 149 Wiring Diagram .................................................... . 150 Diagnosis Procedure ............................................ . 151 Component Inspection ......................................... . 152 Removal and Installation ...................................... . 153 DTC P0037, P0038 HO2S2 HEATER ............ ..154 Description ........................................................... . 154 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 154 On Board Diagnosis Logic ................................... . 154 DTC Confirmation Procedure ............................... . 154 Wiring Diagram .................................................... . 156 Diagnosis Procedure ............................................ . 157 Component Inspection ......................................... . 158 Removal and Installation ...................................... . 159 DTC P0075 IVT CONTROL SOLENOID VALVE ............................................................ ..160 Component Description ....................................... . 160 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 160 On Board Diagnosis Logic ................................... . 160 DTC Confirmation Procedure ............................... . 160 Wiring Diagram .................................................... . 161 Diagnosis Procedure ............................................ . 162 Component Inspection ......................................... . 163 Removal and Installation ...................................... . 164 DTC P0101 MAF SENSOR ............................ ..165 Component Description ....................................... . 165 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 165 On Board Diagnosis Logic ................................... . 165 DTC Confirmation Procedure ............................... . 165 Overall Function Check ........................................ . 166 Wiring Diagram .................................................... . 168 Diagnosis Procedure ............................................ . 169 Component Inspection ......................................... . 171 Removal and Installation ...................................... . 172 DTC P0102, P0103 MAF SENSOR ................ ..173 Component Description ....................................... . 173 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 173 On Board Diagnosis Logic ................................... . 173 DTC Confirmation Procedure ............................... . 173 Wiring Diagram .................................................... . 175 Diagnosis Procedure ............................................ . 176 Component Inspection ......................................... . 178 Removal and Installation ...................................... . 179 DTC P0112, P0113 IAT SENSOR .................. ..180 Component Description ....................................... . 180 On Board Diagnosis Logic ................................... . 180 DTC Confirmation Procedure ............................... . 180 Wiring Diagram .................................................... . 181 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-3 C D E F G H I J K L M EC A N O P Diagnosis Procedure ........................................... .. 181 Component Inspection ........................................ .. 183 Removal and Installation ..................................... .. 183 DTC P0117, P0118 ECT SENSOR ................ ..184 Component Description ....................................... .. 184 On Board Diagnosis Logic .................................. .. 184 DTC Confirmation Procedure .............................. .. 185 Wiring Diagram ................................................... .. 186 Diagnosis Procedure ........................................... .. 186 Component Inspection ........................................ .. 188 Removal and Installation ..................................... .. 188 DTC P0122, P0123 TP SENSOR ................... ..189 Component Description ....................................... .. 189 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 189 On Board Diagnosis Logic .................................. .. 189 DTC Confirmation Procedure .............................. .. 189 Wiring Diagram ................................................... .. 190 Diagnosis Procedure ........................................... .. 191 Component Inspection ........................................ .. 192 Removal and Installation ..................................... .. 193 DTC P0125 ECT SENSOR ............................. ..194 Description .......................................................... .. 194 On Board Diagnosis Logic .................................. .. 194 DTC Confirmation Procedure .............................. .. 194 Diagnosis Procedure ........................................... .. 195 Component Inspection ........................................ .. 195 Removal and Installation ..................................... .. 196 DTC P0127 IAT SENSOR .............................. ..197 Component Description ....................................... .. 197 On Board Diagnosis Logic .................................. .. 197 DTC Confirmation Procedure .............................. .. 197 Diagnosis Procedure ........................................... .. 198 Component Inspection ........................................ .. 198 Removal and Installation ..................................... .. 199 DTC P0128 THERMOSTAT FUNCTION ........ ..200 On Board Diagnosis Logic .................................. .. 200 DTC Confirmation Procedure .............................. .. 200 Diagnosis Procedure ........................................... .. 200 Component Inspection ........................................ .. 200 Removal and Installation ..................................... .. 201 DTC P0130 A/F SENSOR 1 ........................... ..202 Component Description ....................................... .. 202 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 202 On Board Diagnosis Logic .................................. .. 202 DTC Confirmation Procedure .............................. .. 202 Overall Function Check ....................................... .. 203 Wiring Diagram ................................................... .. 204 Diagnosis Procedure ........................................... .. 205 Removal and Installation ..................................... .. 207 DTC P0131 A/F SENSOR 1 ........................... ..208 Component Description ....................................... .. 208 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..208 On Board Diagnosis Logic ................................... ..208 DTC Confirmation Procedure .............................. ..208 Wiring Diagram .................................................... ..210 Diagnosis Procedure ........................................... ..211 Removal and Installation ..................................... ..213 DTC P0132 A/F SENSOR 1 ............................ 214 Component Description ....................................... ..214 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..214 On Board Diagnosis Logic ................................... ..214 DTC Confirmation Procedure .............................. ..214 Wiring Diagram .................................................... ..216 Diagnosis Procedure ........................................... ..217 Removal and Installation ..................................... ..219 DTC P0133 A/F SENSOR 1 ............................ 220 Component Description ....................................... ..220 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..220 On Board Diagnosis Logic ................................... ..220 DTC Confirmation Procedure .............................. ..220 Wiring Diagram .................................................... ..222 Diagnosis Procedure ........................................... ..223 Removal and Installation ..................................... ..226 DTC P0137 HO2S2 ......................................... 227 Component Description ....................................... ..227 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..227 On Board Diagnosis Logic ................................... ..227 DTC Confirmation Procedure .............................. ..227 Overall Function Check ....................................... ..228 Wiring Diagram .................................................... ..229 Diagnosis Procedure ........................................... ..230 Component Inspection ......................................... ..232 Removal and Installation ..................................... ..233 DTC P0138 HO2S2 ......................................... 234 Component Description ....................................... ..234 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..234 On Board Diagnosis Logic ................................... ..234 DTC Confirmation Procedure .............................. ..235 Overall Function Check ....................................... ..236 Wiring Diagram .................................................... ..237 Diagnosis Procedure ........................................... ..238 Component Inspection ......................................... ..241 Removal and Installation ..................................... ..242 DTC P0139 HO2S2 ......................................... 243 Component Description ....................................... ..243 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..243 On Board Diagnosis Logic ................................... ..243 DTC Confirmation Procedure .............................. ..243 Overall Function Check ....................................... ..244 Wiring Diagram .................................................... ..245 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-4 Diagnosis Procedure ........................................... ..246 Component Inspection ......................................... ..248 Removal and Installation ..................................... ..249 DTC P0171 FUEL INJECTION SYSTEM FUNCTION ...................................................... . 250 On Board Diagnosis Logic ................................... ..250 DTC Confirmation Procedure .............................. ..250 Wiring Diagram .................................................... ..252 Diagnosis Procedure ........................................... ..253 DTC P0172 FUEL INJECTION SYSTEM FUNCTION ...................................................... . 256 On Board Diagnosis Logic ................................... ..256 DTC Confirmation Procedure .............................. ..256 Wiring Diagram .................................................... ..258 Diagnosis Procedure ........................................... ..259 DTC P0181 FTT SENSOR .............................. . 262 Component Description ....................................... ..262 On Board Diagnosis Logic ................................... ..262 DTC Confirmation Procedure .............................. ..262 Wiring Diagram .................................................... ..263 Diagnosis Procedure ........................................... ..263 Component Inspection ......................................... ..265 Removal and Installation ..................................... ..265 DTC P0182, P0183 FTT SENSOR ................. . 266 Component Description ....................................... ..266 On Board Diagnosis Logic ................................... ..266 DTC Confirmation Procedure .............................. ..266 Wiring Diagram .................................................... ..267 Diagnosis Procedure ........................................... ..267 Component Inspection ......................................... ..269 Removal and Installation ..................................... ..269 DTC P0222, P0223 TP SENSOR ................... . 270 Component Description ....................................... ..270 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..270 On Board Diagnosis Logic ................................... ..270 DTC Confirmation Procedure .............................. ..270 Wiring Diagram .................................................... ..271 Diagnosis Procedure ........................................... ..272 Component Inspection ......................................... ..273 Removal and Installation ..................................... ..274 DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MISFIRE ...... . 275 On Board Diagnosis Logic ................................... ..275 DTC Confirmation Procedure .............................. ..275 Diagnosis Procedure ........................................... ..276 DTC P0327, P0328 KS ................................... . 281 Component Description ....................................... ..281 On Board Diagnosis Logic ................................... ..281 DTC Confirmation Procedure .............................. ..281 Wiring Diagram .................................................... ..282 Diagnosis Procedure ........................................... ..283 Component Inspection ......................................... ..284 Removal and Installation ...................................... . 284 DTC P0335 CKP SENSOR (POS) .................. ..285 Component Description ....................................... . 285 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 285 On Board Diagnosis Logic ................................... . 285 DTC Confirmation Procedure ............................... . 285 Wiring Diagram .................................................... . 286 Diagnosis Procedure ............................................ . 287 Component Inspection ......................................... . 290 Removal and Installation ...................................... . 290 DTC P0340 CMP SENSOR (PHASE) ............ ..291 Component Description ....................................... . 291 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 291 On Board Diagnosis Logic ................................... . 291 DTC Confirmation Procedure ............................... . 291 Wiring Diagram .................................................... . 292 Diagnosis Procedure ............................................ . 293 Component Inspection ......................................... . 295 Removal and Installation ...................................... . 296 DTC P0420 THREE WAY CATALYST FUNC- TION ................................................................ ..297 On Board Diagnosis Logic ................................... . 297 DTC Confirmation Procedure ............................... . 297 Overall Function Check ........................................ . 298 Diagnosis Procedure ............................................ . 298 DTC P0441 EVAP CONTROL SYSTEM ........ ..301 System Description .............................................. . 301 On Board Diagnosis Logic ................................... . 301 DTC Confirmation Procedure ............................... . 301 Overall Function Check ........................................ . 302 Diagnosis Procedure ............................................ . 302 DTC P0442 EVAP CONTROL SYSTEM ........ ..306 On Board Diagnosis Logic ................................... . 306 DTC Confirmation Procedure ............................... . 306 Diagnosis Procedure ............................................ . 307 DTC P0443 EVAP CANISTER PURGE VOL- UME CONTROL SOLENOID VALVE ............. ..313 Description ........................................................... . 313 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 313 On Board Diagnosis Logic ................................... . 314 DTC Confirmation Procedure ............................... . 314 Wiring Diagram .................................................... . 315 Diagnosis Procedure ............................................ . 316 Component Inspection ......................................... . 319 Removal and Installation ...................................... . 319 DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ..... ..320 Description ........................................................... . 320 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 320 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-5 C D E F G H I J K L M EC A N O P On Board Diagnosis Logic .................................. .. 321 DTC Confirmation Procedure .............................. .. 321 Wiring Diagram ................................................... .. 322 Diagnosis Procedure ........................................... .. 323 Component Inspection ........................................ .. 325 Removal and Installation ..................................... .. 325 DTC P0447 EVAP CANISTER VENT CON- TROL VALVE ................................................. ..326 Component Description ....................................... .. 326 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 326 On Board Diagnosis Logic .................................. .. 326 DTC Confirmation Procedure .............................. .. 326 Wiring Diagram ................................................... .. 327 Diagnosis Procedure ........................................... .. 328 Component Inspection ........................................ .. 330 DTC P0448 EVAP CANISTER VENT CON- TROL VALVE ................................................. ..332 Component Description ....................................... .. 332 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 332 On Board Diagnosis Logic .................................. .. 332 DTC Confirmation Procedure .............................. .. 332 Wiring Diagram ................................................... .. 334 Diagnosis Procedure ........................................... .. 335 Component Inspection ........................................ .. 336 DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... ..338 Component Description ....................................... .. 338 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 338 On Board Diagnosis Logic .................................. .. 338 DTC Confirmation Procedure .............................. .. 338 Diagnosis Procedure ........................................... .. 339 Component Inspection ........................................ .. 340 DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... ..341 Component Description ....................................... .. 341 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 341 On Board Diagnosis Logic .................................. .. 341 DTC Confirmation Procedure .............................. .. 341 Wiring Diagram ................................................... .. 343 Diagnosis Procedure ........................................... .. 344 Component Inspection ........................................ .. 347 DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... ..348 Component Description ....................................... .. 348 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 348 On Board Diagnosis Logic .................................. .. 348 DTC Confirmation Procedure .............................. .. 348 Wiring Diagram ................................................... .. 350 Diagnosis Procedure ........................................... .. 351 Component Inspection ........................................ .. 355 DTC P0455 EVAP CONTROL SYSTEM ......... 356 On Board Diagnosis Logic ................................... ..356 DTC Confirmation Procedure .............................. ..356 Diagnosis Procedure ........................................... ..357 DTC P0456 EVAP CONTROL SYSTEM ......... 362 On Board Diagnosis Logic ................................... ..362 DTC Confirmation Procedure .............................. ..363 Overall Function Check ....................................... ..363 Diagnosis Procedure ........................................... ..364 DTC P0460 FUEL LEVEL SENSOR ............... 369 Component Description ....................................... ..369 On Board Diagnosis Logic ................................... ..369 DTC Confirmation Procedure .............................. ..369 Diagnosis Procedure ........................................... ..369 Removal and Installation ..................................... ..370 DTC P0461 FUEL LEVEL SENSOR ............... 371 Component Description ....................................... ..371 On Board Diagnosis Logic ................................... ..371 Overall Function Check ....................................... ..371 Diagnosis Procedure ........................................... ..372 Removal and Installation ..................................... ..372 DTC P0462, P0463 FUEL LEVEL SENSOR .. 373 Component Description ....................................... ..373 On Board Diagnosis Logic ................................... ..373 DTC Confirmation Procedure .............................. ..373 Diagnosis Procedure ........................................... ..373 Removal and Installation ..................................... ..374 DTC P0500 VSS .............................................. 375 Description ........................................................... ..375 On Board Diagnosis Logic ................................... ..375 DTC Confirmation Procedure .............................. ..375 Overall Function Check ....................................... ..376 Diagnosis Procedure ........................................... ..376 DTC P0506 ISC SYSTEM ............................... 377 Description ........................................................... ..377 On Board Diagnosis Logic ................................... ..377 DTC Confirmation Procedure .............................. ..377 Diagnosis Procedure ........................................... ..377 DTC P0507 ISC SYSTEM ............................... 379 Description ........................................................... ..379 On Board Diagnosis Logic ................................... ..379 DTC Confirmation Procedure .............................. ..379 Diagnosis Procedure ........................................... ..379 DTC P0605 ECM ............................................. 381 Component Description ....................................... ..381 On Board Diagnosis Logic ................................... ..381 DTC Confirmation Procedure .............................. ..381 Diagnosis Procedure ........................................... ..382 DTC P0643 SENSOR POWER SUPPLY ........ 383 On Board Diagnosis Logic ................................... ..383 DTC Confirmation Procedure .............................. ..383 Wiring Diagram .................................................... ..384 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-6 Diagnosis Procedure ........................................... ..385 DTC P0850 PNP SWITCH .............................. . 388 Component Description ....................................... ..388 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..388 On Board Diagnosis Logic ................................... ..388 DTC Confirmation Procedure .............................. ..388 Overall Function Check ....................................... ..389 Wiring Diagram .................................................... ..390 Diagnosis Procedure ........................................... ..391 DTC P1148 CLOSED LOOP CONTROL ........ . 393 On Board Diagnosis Logic ................................... ..393 DTC P1217 ENGINE OVER TEMPERATURE. 394 System Description .............................................. ..394 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..395 On Board Diagnosis Logic ................................... ..396 Overall Function Check ....................................... ..396 Wiring Diagram .................................................... ..398 Diagnosis Procedure ........................................... ..400 Main 13 Causes of Overheating .......................... ..404 Component Inspection ......................................... ..405 DTC P1225 TP SENSOR ................................ . 406 Component Description ....................................... ..406 On Board Diagnosis Logic ................................... ..406 DTC Confirmation Procedure .............................. ..406 Diagnosis Procedure ........................................... ..406 Removal and Installation ..................................... ..407 DTC P1226 TP SENSOR ................................ . 408 Component Description ....................................... ..408 On Board Diagnosis Logic ................................... ..408 DTC Confirmation Procedure .............................. ..408 Diagnosis Procedure ........................................... ..408 Removal and Installation ..................................... ..409 DTC P1421 COLD START CONTROL ........... . 410 Description ........................................................... ..410 On Board Diagnosis Logic ................................... ..410 DTC Confirmation Procedure .............................. ..410 Diagnosis Procedure ........................................... ..410 DTC P1564 ASCD STEERING SWITCH ........ . 412 Component Description ....................................... ..412 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..412 On Board Diagnosis Logic ................................... ..412 DTC Confirmation Procedure .............................. ..413 Wiring Diagram .................................................... ..414 Diagnosis Procedure ........................................... ..415 Component Inspection ......................................... ..417 DTC P1572 ASCD BRAKE SWITCH ............. . 418 Component Description ....................................... ..418 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..418 On Board Diagnosis Logic ................................... ..418 DTC Confirmation Procedure ............................... . 419 Wiring Diagram .................................................... . 420 Diagnosis Procedure ............................................ . 421 Component Inspection ......................................... . 425 DTC P1574 ASCD VEHICLE SPEED SEN- SOR ................................................................ ..427 Component Description ....................................... . 427 On Board Diagnosis Logic ................................... . 427 DTC Confirmation Procedure ............................... . 427 Diagnosis Procedure ............................................ . 427 DTC P1715 INPUT SPEED SENSOR (PRIMA- RY SPEED SENSOR) ..................................... ..429 Description ........................................................... . 429 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 429 On Board Diagnosis Logic ................................... . 429 DTC Confirmation Procedure ............................... . 429 Diagnosis Procedure ............................................ . 429 DTC P1805 BRAKE SWITCH ........................ ..431 Description ........................................................... . 431 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 431 On Board Diagnosis Logic ................................... . 431 DTC Confirmation Procedure ............................... . 431 Wiring Diagram .................................................... . 432 Diagnosis Procedure ............................................ . 433 Component Inspection ......................................... . 434 DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY .............................................. ..435 Component Description ....................................... . 435 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 435 On Board Diagnosis Logic ................................... . 435 DTC Confirmation Procedure ............................... . 435 Wiring Diagram .................................................... . 436 Diagnosis Procedure ............................................ . 437 DTC P2101 ELECTRIC THROTTLE CON- TROL FUNCTION ........................................... ..439 Description ........................................................... . 439 On Board Diagnosis Logic ................................... . 439 DTC Confirmation Procedure ............................... . 439 Wiring Diagram .................................................... . 440 Diagnosis Procedure ............................................ . 441 Component Inspection ......................................... . 444 Removal and Installation ...................................... . 444 DTC P2118 THROTTLE CONTROL MOTOR ..445 Component Description ....................................... . 445 On Board Diagnosis Logic ................................... . 445 DTC Confirmation Procedure ............................... . 445 Wiring Diagram .................................................... . 446 Diagnosis Procedure ............................................ . 447 Component Inspection ......................................... . 448 Removal and Installation ...................................... . 448 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-7 C D E F G H I J K L M EC A N O P DTC P2119 ELECTRIC THROTTLE CON- TROL ACTUATOR ......................................... ..449 Component Description ....................................... .. 449 On Board Diagnosis Logic .................................. .. 449 DTC Confirmation Procedure .............................. .. 449 Diagnosis Procedure ........................................... .. 450 DTC P2122, P2123 APP SENSOR ................ ..451 Component Description ....................................... .. 451 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 451 On Board Diagnosis Logic .................................. .. 451 DTC Confirmation Procedure .............................. .. 451 Wiring Diagram ................................................... .. 452 Diagnosis Procedure ........................................... .. 453 Component Inspection ........................................ .. 455 Removal and Installation ..................................... .. 455 DTC P2127, P2128 APP SENSOR ................ ..456 Component Description ....................................... .. 456 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 456 On Board Diagnosis Logic .................................. .. 456 DTC Confirmation Procedure .............................. .. 457 Wiring Diagram ................................................... .. 458 Diagnosis Procedure ........................................... .. 459 Component Inspection ........................................ .. 461 Removal and Installation ..................................... .. 462 DTC P2135 TP SENSOR ............................... ..463 Component Description ....................................... .. 463 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 463 On Board Diagnosis Logic .................................. .. 463 DTC Confirmation Procedure .............................. .. 463 Wiring Diagram ................................................... .. 464 Diagnosis Procedure ........................................... .. 465 Component Inspection ........................................ .. 466 Removal and Installation ..................................... .. 467 DTC P2138 APP SENSOR ............................. ..468 Component Description ....................................... .. 468 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 468 On Board Diagnosis Logic .................................. .. 468 DTC Confirmation Procedure .............................. .. 469 Wiring Diagram ................................................... .. 470 Diagnosis Procedure ........................................... .. 471 Component Inspection ........................................ .. 474 Removal and Installation ..................................... .. 474 DTC P2A00 A/F SENSOR 1 ........................... ..475 Component Description ....................................... .. 475 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 475 On Board Diagnosis Logic .................................. .. 475 DTC Confirmation Procedure .............................. .. 475 Wiring Diagram ................................................... .. 477 Diagnosis Procedure ........................................... .. 478 Removal and Installation ..................................... .. 481 ASCD BRAKE SWITCH .................................. 482 Component Description ....................................... ..482 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..482 Wiring Diagram .................................................... ..483 Diagnosis Procedure ........................................... ..484 Component Inspection ......................................... ..488 ASCD INDICATOR .......................................... 490 Component Description ....................................... ..490 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..490 Wiring Diagram .................................................... ..491 Diagnosis Procedure ........................................... ..491 ELECTRICAL LOAD SIGNAL ........................ 493 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..493 Diagnosis Procedure ........................................... ..493 FUEL INJECTOR ............................................ 495 Component Description ....................................... ..495 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..495 Wiring Diagram .................................................... ..496 Diagnosis Procedure ........................................... ..497 Component Inspection ......................................... ..499 Removal and Installation ..................................... ..499 FUEL PUMP .................................................... 500 Description ........................................................... ..500 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..500 Wiring Diagram .................................................... ..501 Diagnosis Procedure ........................................... ..502 Component Inspection ......................................... ..504 Removal and Installation ..................................... ..504 IGNITION SIGNAL .......................................... 505 Component Description ....................................... ..505 Wiring Diagram .................................................... ..506 Diagnosis Procedure ........................................... ..509 Component Inspection ......................................... ..512 Removal and Installation ..................................... ..513 REFRIGERANT PRESSURE SENSOR .......... 514 Component Description ....................................... ..514 Wiring Diagram .................................................... ..515 Diagnosis Procedure ........................................... ..516 Removal and Installation ..................................... ..518 MIL AND DATA LINK CONNECTOR ............. 519 Wiring Diagram .................................................... ..519 SERVICE DATA AND SPECIFICATIONS (SDS) ............................................................... 521 Fuel Pressure ...................................................... ..521 Idle Speed and Ignition Timing ............................ ..521 Calculated Load Value ........................................ ..521 Mass Air Flow Sensor .......................................... ..521 Intake Air Temperature Sensor ........................... ..521 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-8 Engine Coolant Temperature Sensor .................. ..521 Air Fuel Ratio (A/F) Sensor 1 Heater ................... ..521 Heated Oxygen sensor 2 Heater ......................... ..522 Crankshaft Position Sensor (POS) ...................... ..522 Camshaft Position Sensor (PHASE) ................... ..522 Throttle Control Motor .......................................... ..522 Fuel Injector ......................................................... ..522 Fuel Pump ........................................................... ..522 QR SERVICE INFORMATION ........................ ..523 INDEX FOR DTC ............................................ . 523 U1000-U1010 ...................................................... ..523 P0011-P0075 ....................................................... ..523 P0101-P0128 ....................................................... ..523 P0130-P0159 ....................................................... ..524 P0171-P0223 ....................................................... ..524 P0300-P0430 ....................................................... ..525 P0441-P0463 ....................................................... ..525 P0500-P0643 ....................................................... ..526 P0705-P0850 ....................................................... ..526 P1148-P1574 ....................................................... ..527 P1610-P1615 ....................................................... ..527 P1715-P1805 ....................................................... ..527 P2100-P2A03 ...................................................... ..528 PRECAUTIONS .............................................. . 529 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" .............................................................. ..529 Precaution for Procedure without Cowl Top Cover ..529 On Board Diagnosis (OBD) System of Engine and CVT ..................................................................... ..529 Precaution ........................................................... ..530 PREPARATION .............................................. . 533 Special Service Tool ............................................ ..533 Commercial Service Tool .................................... ..533 ENGINE CONTROL SYSTEM ........................ . 535 Schematic ............................................................ ..535 Multiport Fuel Injection (MFI) System .................. ..535 Electronic Ignition (EI) System ............................ ..538 Fuel Cut Control (at No Load and High Engine Speed) ................................................................. ..538 AIR CONDITIONING CUT CONTROL ........... . 540 Input/Output Signal Chart .................................... ..540 System Description .............................................. ..540 AUTOMATIC SPEED CONTROL DEVICE (ASCD) ............................................................ . 541 System Description .............................................. ..541 Component Description ....................................... ..542 CAN COMMUNICATION ................................ . 543 System Description .............................................. ..543 EVAPORATIVE EMISSION SYSTEM ............ . 544 Description ........................................................... ..544 Component Inspection ......................................... . 546 Removal and Installation ...................................... . 547 How to Detect Fuel Vapor Leakage ..................... . 548 ON BOARD REFUELING VAPOR RECOV- ERY (ORVR) ................................................... ..550 System Description .............................................. . 550 Diagnosis Procedure ............................................ . 550 Component Inspection ......................................... . 552 POSITIVE CRANKCASE VENTILATION ....... ..555 Description ........................................................... . 555 Component Inspection ......................................... . 555 NVIS (NISSAN VEHICLE IMMOBILIZER SYS- TEM-NATS) .................................................... ..557 Description ........................................................... . 557 ON BOARD DIAGNOSTIC (OBD) SYSTEM .. ..558 Introduction .......................................................... . 558 Two Trip Detection Logic ..................................... . 558 Emission-related Diagnostic Information ............. . 559 Malfunction Indicator Lamp (MIL) ........................ . 575 OBD System Operation Chart .............................. . 578 BASIC SERVICE PROCEDURE .................... ..584 Basic Inspection ................................................... . 584 Idle Speed and Ignition Timing Check ................. . 588 Procedure After Replacing ECM .......................... . 589 VIN Registration ................................................... . 590 Accelerator Pedal Released Position Learning .... . 590 Throttle Valve Closed Position Learning .............. . 590 Idle Air Volume Learning ...................................... . 590 Fuel Pressure Check ........................................... . 592 TROUBLE DIAGNOSIS .................................. ..594 Trouble Diagnosis Introduction ............................ . 594 DTC Inspection Priority Chart .............................. . 598 Fail-Safe Chart ..................................................... . 599 Symptom Matrix Chart ......................................... . 600 Engine Control Component Parts Location .......... . 605 Vacuum Hose Drawing ........................................ . 611 Circuit Diagram .................................................... . 612 ECM Harness Connector Terminal Layout .......... . 614 ECM Terminal and Reference Value ................... . 614 CONSULT-III Function (ENGINE) ........................ . 621 Generic Scan Tool (GST) Function ...................... . 630 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 631 TROUBLE DIAGNOSIS - SPECIFICATION VALUE ............................................................ ..635 Description ........................................................... . 635 Testing Condition ................................................. . 635 Inspection Procedure ........................................... . 635 Diagnosis Procedure ............................................ . 635 TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ....................................................... ..643 Description ........................................................... . 643 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-9 C D E F G H I J K L M EC A N O P Diagnosis Procedure ........................................... .. 643 POWER SUPPLY AND GROUND CIRCUIT .. ..644 Wiring Diagram ................................................... .. 644 Diagnosis Procedure ........................................... .. 645 Ground Inspection ............................................... .. 649 DTC U1000, U1001 CAN COMMUNICATION LINE ................................................................ ..650 Description .......................................................... .. 650 On Board Diagnosis Logic .................................. .. 650 DTC Confirmation Procedure .............................. .. 650 Wiring Diagram ................................................... .. 651 Diagnosis Procedure ........................................... .. 651 DTC U1010 CAN COMMUNICATION ............ ..652 Description .......................................................... .. 652 On Board Diagnosis Logic .................................. .. 652 DTC Confirmation Procedure .............................. .. 652 Diagnosis Procedure ........................................... .. 652 DTC P0011 IVT CONTROL ............................ ..653 Description .......................................................... .. 653 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 653 On Board Diagnosis Logic .................................. .. 654 DTC Confirmation Procedure .............................. .. 654 Diagnosis Procedure ........................................... .. 655 Component Inspection ........................................ .. 656 Removal and Installation ..................................... .. 656 DTC P0031, P0032, P0051, P0052 A/F SEN- SOR 1 HEATER ............................................. ..657 Description .......................................................... .. 657 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 657 On Board Diagnosis Logic .................................. .. 657 DTC Confirmation Procedure .............................. .. 657 Wiring Diagram ................................................... .. 658 Diagnosis Procedure ........................................... .. 661 Component Inspection ........................................ .. 662 Removal and Installation ..................................... .. 663 DTC P0037, P0038, P0057, P0058 HO2S2 HEATER ......................................................... ..664 Description .......................................................... .. 664 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 664 On Board Diagnosis Logic .................................. .. 664 DTC Confirmation Procedure .............................. .. 664 Wiring Diagram ................................................... .. 666 Diagnosis Procedure ........................................... .. 669 Component Inspection ........................................ .. 671 Removal and Installation ..................................... .. 671 DTC P0075 IVT CONTROL SOLENOID VALVE ............................................................ ..672 Component Description ....................................... .. 672 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 672 On Board Diagnosis Logic ................................... ..672 DTC Confirmation Procedure .............................. ..672 Wiring Diagram .................................................... ..673 Diagnosis Procedure ........................................... ..674 Component Inspection ......................................... ..675 Removal and Installation ..................................... ..676 DTC P0101 MAF SENSOR ............................. 677 Component Description ....................................... ..677 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..677 On Board Diagnosis Logic ................................... ..677 DTC Confirmation Procedure .............................. ..677 Overall Function Check ....................................... ..678 Wiring Diagram .................................................... ..679 Diagnosis Procedure ........................................... ..680 Component Inspection ......................................... ..682 Removal and Installation ..................................... ..683 DTC P0102, P0103 MAF SENSOR ................. 684 Component Description ....................................... ..684 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..684 On Board Diagnosis Logic ................................... ..684 DTC Confirmation Procedure .............................. ..684 Wiring Diagram .................................................... ..686 Diagnosis Procedure ........................................... ..687 Component Inspection ......................................... ..689 Removal and Installation ..................................... ..690 DTC P0112, P0113 IAT SENSOR ................... 691 Component Description ....................................... ..691 On Board Diagnosis Logic ................................... ..691 DTC Confirmation Procedure .............................. ..691 Wiring Diagram .................................................... ..692 Diagnosis Procedure ........................................... ..692 Component Inspection ......................................... ..694 Removal and Installation ..................................... ..694 DTC P0117, P0118 ECT SENSOR ................. 695 Component Description ....................................... ..695 On Board Diagnosis Logic ................................... ..695 DTC Confirmation Procedure .............................. ..696 Wiring Diagram .................................................... ..697 Diagnosis Procedure ........................................... ..697 Component Inspection ......................................... ..699 Removal and Installation ..................................... ..699 DTC P0122, P0123 TP SENSOR .................... 700 Component Description ....................................... ..700 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..700 On Board Diagnosis Logic ................................... ..700 DTC Confirmation Procedure .............................. ..700 Wiring Diagram .................................................... ..701 Diagnosis Procedure ........................................... ..702 Component Inspection ......................................... ..704 Removal and Installation ..................................... ..704 DTC P0125 ECT SENSOR .............................. 705 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-10 Description ........................................................... ..705 On Board Diagnosis Logic ................................... ..705 DTC Confirmation Procedure .............................. ..705 Diagnosis Procedure ........................................... ..706 Component Inspection ......................................... ..706 Removal and Installation ..................................... ..707 DTC P0127 IAT SENSOR ............................... . 708 Component Description ....................................... ..708 On Board Diagnosis Logic ................................... ..708 DTC Confirmation Procedure .............................. ..708 Diagnosis Procedure ........................................... ..709 Component Inspection ......................................... ..709 Removal and Installation ..................................... ..710 DTC P0128 THERMOSTAT FUNCTION ........ . 711 On Board Diagnosis Logic ................................... ..711 DTC Confirmation Procedure .............................. ..711 Diagnosis Procedure ........................................... ..711 Component Inspection ......................................... ..711 Removal and Installation ..................................... ..712 DTC P0130, P0150 A/F SENSOR 1 ............... . 713 Component Description ....................................... ..713 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..713 On Board Diagnosis Logic ................................... ..713 DTC Confirmation Procedure .............................. ..713 Overall Function Check ....................................... ..714 Wiring Diagram .................................................... ..715 Diagnosis Procedure ........................................... ..718 Removal and Installation ..................................... ..720 DTC P0131, P0151 A/F SENSOR 1 ............... . 721 Component Description ....................................... ..721 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..721 On Board Diagnosis Logic ................................... ..721 DTC Confirmation Procedure .............................. ..721 Wiring Diagram .................................................... ..723 Diagnosis Procedure ........................................... ..726 Removal and Installation ..................................... ..728 DTC P0132, P0152 A/F SENSOR 1 ............... . 729 Component Description ....................................... ..729 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..729 On Board Diagnosis Logic ................................... ..729 DTC Confirmation Procedure .............................. ..729 Wiring Diagram .................................................... ..731 Diagnosis Procedure ........................................... ..734 Removal and Installation ..................................... ..736 DTC P0133, P0153 A/F SENSOR 1 ............... . 737 Component Description ....................................... ..737 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..737 On Board Diagnosis Logic ................................... ..737 DTC Confirmation Procedure .............................. ..737 Wiring Diagram .................................................... ..739 Diagnosis Procedure ............................................ . 742 Removal and Installation ...................................... . 745 DTC P0137, P0157 HO2S2 ............................ ..746 Component Description ....................................... . 746 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 746 On Board Diagnosis Logic ................................... . 746 DTC Confirmation Procedure ............................... . 746 Overall Function Check ........................................ . 747 Wiring Diagram .................................................... . 748 Diagnosis Procedure ............................................ . 751 Component Inspection ......................................... . 753 Removal and Installation ...................................... . 754 DTC P0138, P0158 HO2S2 ............................ ..755 Component Description ....................................... . 755 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 755 On Board Diagnosis Logic ................................... . 755 DTC Confirmation Procedure ............................... . 756 Overall Function Check ........................................ . 757 Wiring Diagram .................................................... . 758 Diagnosis Procedure ............................................ . 761 Component Inspection ......................................... . 765 Removal and Installation ...................................... . 766 DTC P0139, P0159 HO2S2 ............................ ..767 Component Description ....................................... . 767 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 767 On Board Diagnosis Logic ................................... . 767 DTC Confirmation Procedure ............................... . 767 Overall Function Check ........................................ . 768 Wiring Diagram .................................................... . 769 Diagnosis Procedure ............................................ . 772 Component Inspection ......................................... . 774 Removal and Installation ...................................... . 775 DTC P0171, P0174 FUEL INJECTION SYS- TEM FUNCTION ............................................. ..776 On Board Diagnosis Logic ................................... . 776 DTC Confirmation Procedure ............................... . 776 Wiring Diagram .................................................... . 778 Diagnosis Procedure ............................................ . 781 DTC P0172, P0175 FUEL INJECTION SYS- TEM FUNCTION ............................................. ..785 On Board Diagnosis Logic ................................... . 785 DTC Confirmation Procedure ............................... . 785 Wiring Diagram .................................................... . 787 Diagnosis Procedure ............................................ . 790 DTC P0181 FTT SENSOR .............................. ..793 Component Description ....................................... . 793 On Board Diagnosis Logic ................................... . 793 DTC Confirmation Procedure ............................... . 793 Wiring Diagram .................................................... . 794 Diagnosis Procedure ............................................ . 794 Component Inspection ......................................... https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-11 C D E F G H I J K L M EC A N O P Removal and Installation ..................................... .. 796 DTC P0182, P0183 FTT SENSOR ................. ..797 Component Description ....................................... .. 797 On Board Diagnosis Logic .................................. .. 797 DTC Confirmation Procedure .............................. .. 797 Wiring Diagram ................................................... .. 798 Diagnosis Procedure ........................................... .. 798 Component Inspection ........................................ .. 800 Removal and Installation ..................................... .. 800 DTC P0222, P0223 TP SENSOR ................... ..801 Component Description ....................................... .. 801 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 801 On Board Diagnosis Logic .................................. .. 801 DTC Confirmation Procedure .............................. .. 801 Wiring Diagram ................................................... .. 802 Diagnosis Procedure ........................................... .. 803 Component Inspection ........................................ .. 805 Removal and Installation ..................................... .. 805 DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MISFIRE ...... ..806 On Board Diagnosis Logic .................................. .. 806 DTC Confirmation Procedure .............................. .. 806 Diagnosis Procedure ........................................... .. 807 DTC P0327, P0328 KS ................................... ..812 Component Description ....................................... .. 812 On Board Diagnosis Logic .................................. .. 812 DTC Confirmation Procedure .............................. .. 812 Wiring Diagram ................................................... .. 813 Diagnosis Procedure ........................................... .. 814 Component Inspection ........................................ .. 815 Removal and Installation ..................................... .. 815 DTC P0335 CKP SENSOR (POS) ................. ..816 Component Description ....................................... .. 816 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 816 On Board Diagnosis Logic .................................. .. 816 DTC Confirmation Procedure .............................. .. 816 Wiring Diagram ................................................... .. 817 Diagnosis Procedure ........................................... .. 818 Component Inspection ........................................ .. 821 Removal and Installation ..................................... .. 821 DTC P0340 CMP SENSOR (PHASE) ............ ..822 Component Description ....................................... .. 822 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 822 On Board Diagnosis Logic .................................. .. 822 DTC Confirmation Procedure .............................. .. 822 Wiring Diagram ................................................... .. 823 Diagnosis Procedure ........................................... .. 824 Component Inspection ........................................ .. 826 Removal and Installation ..................................... .. 827 DTC P0420, P0430 THREE WAY CATALYST FUNCTION ...................................................... 828 On Board Diagnosis Logic ................................... ..828 DTC Confirmation Procedure .............................. ..828 Overall Function Check ....................................... ..829 Diagnosis Procedure ........................................... ..829 DTC P0441 EVAP CONTROL SYSTEM ......... 832 System Description .............................................. ..832 On Board Diagnosis Logic ................................... ..832 DTC Confirmation Procedure .............................. ..832 Overall Function Check ....................................... ..833 Diagnosis Procedure ........................................... ..833 DTC P0442 EVAP CONTROL SYSTEM ......... 837 On Board Diagnosis Logic ................................... ..837 DTC Confirmation Procedure .............................. ..837 Diagnosis Procedure ........................................... ..838 DTC P0443 EVAP CANISTER PURGE VOL- UME CONTROL SOLENOID VALVE ............. 844 Description ........................................................... ..844 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..844 On Board Diagnosis Logic ................................... ..845 DTC Confirmation Procedure .............................. ..845 Wiring Diagram .................................................... ..846 Diagnosis Procedure ........................................... ..847 Component Inspection ......................................... ..850 Removal and Installation ..................................... ..850 DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ...... 851 Description ........................................................... ..851 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..851 On Board Diagnosis Logic ................................... ..852 DTC Confirmation Procedure .............................. ..852 Wiring Diagram .................................................... ..853 Diagnosis Procedure ........................................... ..854 Component Inspection ......................................... ..856 Removal and Installation ..................................... ..856 DTC P0447 EVAP CANISTER VENT CON- TROL VALVE .................................................. 857 Component Description ....................................... ..857 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..857 On Board Diagnosis Logic ................................... ..857 DTC Confirmation Procedure .............................. ..857 Wiring Diagram .................................................... ..858 Diagnosis Procedure ........................................... ..859 Component Inspection ......................................... ..860 DTC P0448 EVAP CANISTER VENT CON- TROL VALVE .................................................. 862 Component Description ....................................... ..862 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..862 On Board Diagnosis Logic ................................... ..862 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-12 DTC Confirmation Procedure .............................. ..862 Wiring Diagram .................................................... ..864 Diagnosis Procedure ........................................... ..865 Component Inspection ......................................... ..866 DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... . 868 Component Description ....................................... ..868 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..868 On Board Diagnosis Logic ................................... ..868 DTC Confirmation Procedure .............................. ..868 Diagnosis Procedure ........................................... ..869 Component Inspection ......................................... ..870 DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... . 871 Component Description ....................................... ..871 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..871 On Board Diagnosis Logic ................................... ..871 DTC Confirmation Procedure .............................. ..871 Wiring Diagram .................................................... ..873 Diagnosis Procedure ........................................... ..874 Component Inspection ......................................... ..877 DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... . 878 Component Description ....................................... ..878 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..878 On Board Diagnosis Logic ................................... ..878 DTC Confirmation Procedure .............................. ..878 Wiring Diagram .................................................... ..880 Diagnosis Procedure ........................................... ..881 Component Inspection ......................................... ..885 DTC P0455 EVAP CONTROL SYSTEM ........ . 886 On Board Diagnosis Logic ................................... ..886 DTC Confirmation Procedure .............................. ..886 Diagnosis Procedure ........................................... ..887 DTC P0456 EVAP CONTROL SYSTEM ........ . 892 On Board Diagnosis Logic ................................... ..892 DTC Confirmation Procedure .............................. ..893 Overall Function Check ....................................... ..893 Diagnosis Procedure ........................................... ..894 DTC P0460 FUEL LEVEL SENSOR .............. . 899 Component Description ....................................... ..899 On Board Diagnosis Logic ................................... ..899 DTC Confirmation Procedure .............................. ..899 Diagnosis Procedure ........................................... ..899 Removal and Installation ..................................... ..900 DTC P0461 FUEL LEVEL SENSOR .............. . 901 Component Description ....................................... ..901 On Board Diagnosis Logic ................................... ..901 Overall Function Check ....................................... ..901 Diagnosis Procedure ........................................... ..902 Removal and Installation ...................................... . 902 DTC P0462, P0463 FUEL LEVEL SENSOR .. ..903 Component Description ....................................... . 903 On Board Diagnosis Logic ................................... . 903 DTC Confirmation Procedure ............................... . 903 Diagnosis Procedure ............................................ . 903 Removal and Installation ...................................... . 904 DTC P0500 VSS ............................................. ..905 Description ........................................................... . 905 On Board Diagnosis Logic ................................... . 905 DTC Confirmation Procedure ............................... . 905 Overall Function Check ........................................ . 906 Diagnosis Procedure ............................................ . 906 DTC P0506 ISC SYSTEM ............................... ..907 Description ........................................................... . 907 On Board Diagnosis Logic ................................... . 907 DTC Confirmation Procedure ............................... . 907 Diagnosis Procedure ............................................ . 907 DTC P0507 ISC SYSTEM ............................... ..909 Description ........................................................... . 909 On Board Diagnosis Logic ................................... . 909 DTC Confirmation Procedure ............................... . 909 Diagnosis Procedure ............................................ . 909 DTC P0603 ECM POWER SUPPLY .............. ..911 Component Description ....................................... . 911 On Board Diagnosis Logic ................................... . 911 DTC Confirmation Procedure ............................... . 911 Wiring Diagram .................................................... . 912 Diagnosis Procedure ............................................ . 913 DTC P0605 ECM ............................................ ..915 Component Description ....................................... . 915 On Board Diagnosis Logic ................................... . 915 DTC Confirmation Procedure ............................... . 915 Diagnosis Procedure ............................................ . 916 DTC P0643 SENSOR POWER SUPPLY ....... ..917 On Board Diagnosis Logic ................................... . 917 DTC Confirmation Procedure ............................... . 917 Wiring Diagram .................................................... . 918 Diagnosis Procedure ............................................ . 919 DTC P0850 PNP SWITCH .............................. ..922 Component Description ....................................... . 922 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 922 On Board Diagnosis Logic ................................... . 922 DTC Confirmation Procedure ............................... . 922 Overall Function Check ........................................ . 923 Wiring Diagram .................................................... . 924 Diagnosis Procedure ............................................ . 925 DTC P1148, P1168 CLOSED LOOP CON- TROL .............................................................. ..928 On Board Diagnosis Logic ................................... . 928 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-13 C D E F G H I J K L M EC A N O P DTC P1217 ENGINE OVER TEMPERATURE..929 System Description ............................................. .. 929 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 930 On Board Diagnosis Logic .................................. .. 930 Overall Function Check ....................................... .. 930 Wiring Diagram ................................................... .. 932 Diagnosis Procedure ........................................... .. 934 Main 12 Causes of Overheating .......................... .. 939 Component Inspection ........................................ .. 939 DTC P1225 TP SENSOR ............................... ..941 Component Description ....................................... .. 941 On Board Diagnosis Logic .................................. .. 941 DTC Confirmation Procedure .............................. .. 941 Diagnosis Procedure ........................................... .. 941 Removal and Installation ..................................... .. 942 DTC P1226 TP SENSOR ............................... ..943 Component Description ....................................... .. 943 On Board Diagnosis Logic .................................. .. 943 DTC Confirmation Procedure .............................. .. 943 Diagnosis Procedure ........................................... .. 943 Removal and Installation ..................................... .. 944 DTC P1421 COLD START CONTROL .......... ..945 Description .......................................................... .. 945 On Board Diagnosis Logic .................................. .. 945 DTC Confirmation Procedure .............................. .. 945 Diagnosis Procedure ........................................... .. 945 DTC P1564 ASCD STEERING SWITCH ....... ..947 Component Description ....................................... .. 947 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 947 On Board Diagnosis Logic .................................. .. 947 DTC Confirmation Procedure .............................. .. 947 Wiring Diagram ................................................... .. 949 Diagnosis Procedure ........................................... .. 950 Component Inspection ........................................ .. 952 DTC P1572 ASCD BRAKE SWITCH ............. ..953 Component Description ....................................... .. 953 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 953 On Board Diagnosis Logic .................................. .. 953 DTC Confirmation Procedure .............................. .. 954 Wiring Diagram ................................................... .. 955 Diagnosis Procedure ........................................... .. 956 Component Inspection ........................................ .. 960 DTC P1574 ASCD VEHICLE SPEED SEN- SOR ................................................................ ..962 Component Description ....................................... .. 962 On Board Diagnosis Logic .................................. .. 962 DTC Confirmation Procedure .............................. .. 962 Diagnosis Procedure ........................................... .. 962 DTC P1715 INPUT SPEED SENSOR (PRIMA- RY SPEED SENSOR) .................................... ..964 Description ........................................................... ..964 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..964 On Board Diagnosis Logic ................................... ..964 DTC Confirmation Procedure .............................. ..964 Diagnosis Procedure ........................................... ..964 DTC P1805 BRAKE SWITCH ......................... 966 Description ........................................................... ..966 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..966 On Board Diagnosis Logic ................................... ..966 DTC Confirmation Procedure .............................. ..966 Wiring Diagram .................................................... ..967 Diagnosis Procedure ........................................... ..968 Component Inspection ......................................... ..969 DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY .............................................. 970 Component Description ....................................... ..970 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..970 On Board Diagnosis Logic ................................... ..970 DTC Confirmation Procedure .............................. ..970 Wiring Diagram .................................................... ..971 Diagnosis Procedure ........................................... ..972 DTC P2101 ELECTRIC THROTTLE CON- TROL FUNCTION ........................................... 974 Description ........................................................... ..974 On Board Diagnosis Logic ................................... ..974 DTC Confirmation Procedure .............................. ..974 Wiring Diagram .................................................... ..975 Diagnosis Procedure ........................................... ..976 Component Inspection ......................................... ..979 Removal and Installation ..................................... ..979 DTC P2118 THROTTLE CONTROL MOTOR . 980 Component Description ....................................... ..980 On Board Diagnosis Logic ................................... ..980 DTC Confirmation Procedure .............................. ..980 Wiring Diagram .................................................... ..981 Diagnosis Procedure ........................................... ..982 Component Inspection ......................................... ..983 Removal and Installation ..................................... ..983 DTC P2119 ELECTRIC THROTTLE CON- TROL ACTUATOR .......................................... 985 Component Description ....................................... ..985 On Board Diagnosis Logic ................................... ..985 DTC Confirmation Procedure .............................. ..985 Diagnosis Procedure ........................................... ..986 DTC P2122, P2123 APP SENSOR ................. 987 Component Description ....................................... ..987 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..987 On Board Diagnosis Logic ................................... ..987 DTC Confirmation Procedure .............................. ..987 Wiring Diagram .................................................... ..988 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-14 Diagnosis Procedure ........................................... ..989 Component Inspection ......................................... ..991 Removal and Installation ..................................... ..991 DTC P2127, P2128 APP SENSOR ................. . 992 Component Description ....................................... ..992 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..992 On Board Diagnosis Logic ................................... ..992 DTC Confirmation Procedure .............................. ..993 Wiring Diagram .................................................... ..994 Diagnosis Procedure ........................................... ..995 Component Inspection ......................................... ..997 Removal and Installation ..................................... ..998 DTC P2135 TP SENSOR ................................ . 999 Component Description ....................................... ..999 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..999 On Board Diagnosis Logic ................................... ..999 DTC Confirmation Procedure .............................. ..999 Wiring Diagram ....................................................1000 Diagnosis Procedure ...........................................1001 Component Inspection .........................................1003 Removal and Installation .....................................1003 DTC P2138 APP SENSOR .............................1004 Component Description .......................................1004 CONSULT-III Reference Value in Data Monitor Mode ....................................................................1004 On Board Diagnosis Logic ...................................1004 DTC Confirmation Procedure ..............................1005 Wiring Diagram ....................................................1006 Diagnosis Procedure ...........................................1007 Component Inspection .........................................1010 Removal and Installation .....................................1010 DTC P2A00, P2A03 A/F SENSOR 1 ..............1011 Component Description .......................................1011 CONSULT-III Reference Value in Data Monitor Mode ....................................................................1011 On Board Diagnosis Logic ...................................1011 DTC Confirmation Procedure ..............................1011 Wiring Diagram ....................................................1013 Diagnosis Procedure ...........................................1016 Removal and Installation .....................................1019 ASCD BRAKE SWITCH .................................1020 Component Description .......................................1020 CONSULT-III Reference Value in Data Monitor Mode ....................................................................1020 Wiring Diagram ....................................................1021 Diagnosis Procedure ...........................................1022 Component Inspection .........................................1026 ASCD INDICATOR .........................................1028 Component Description .......................................1028 CONSULT-III Reference Value in Data Monitor Mode .................................................................... 1028 Wiring Diagram .................................................... 1029 Diagnosis Procedure ............................................ 1029 ELECTRICAL LOAD SIGNAL ........................1031 CONSULT-III Reference Value in Data Monitor Mode .................................................................... 1031 Diagnosis Procedure ............................................ 1031 FUEL INJECTOR ............................................1033 Component Description ....................................... 1033 CONSULT-III Reference Value in Data Monitor Mode .................................................................... 1033 Wiring Diagram .................................................... 1034 Diagnosis Procedure ............................................ 1035 Component Inspection ......................................... 1037 Removal and Installation ...................................... 1037 FUEL PUMP ...................................................1038 Description ........................................................... 1038 CONSULT-III Reference Value in Data Monitor Mode .................................................................... 1038 Wiring Diagram .................................................... 1039 Diagnosis Procedure ............................................ 1040 Component Inspection ......................................... 1042 Removal and Installation ...................................... 1042 IGNITION SIGNAL ..........................................1043 Component Description ....................................... 1043 Wiring Diagram .................................................... 1044 Diagnosis Procedure ............................................ 1047 Component Inspection ......................................... 1050 Removal and Installation ...................................... 1051 REFRIGERANT PRESSURE SENSOR .........1052 Component Description ....................................... 1052 Wiring Diagram .................................................... 1053 Diagnosis Procedure ............................................ 1054 Removal and Installation ...................................... 1056 MIL AND DATA LINK CONNECTOR .............1057 Wiring Diagram .................................................... 1057 SERVICE DATA AND SPECIFICATIONS (SDS) ..............................................................1059 Fuel Pressure ....................................................... 1059 Idle Speed and Ignition Timing ............................ 1059 Calculated Load Value ......................................... 1059 Mass Air Flow Sensor .......................................... 1059 Intake Air Temperature Sensor ............................ 1059 Engine Coolant Temperature Sensor .................. 1059 Air Fuel Ratio (A/F) Sensor 1 Heater ................... 1059 Heated Oxygen sensor 2 Heater ......................... 1060 Crankshaft Position Sensor (POS) ...................... 1060 Camshaft Position Sensor (PHASE) .................... 1060 Throttle Control Motor .......................................... 1060 Fuel Injector ......................................................... 1060 Fuel Pump ............................................................ 1060 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
INDEX FOR DTC EC-15 < SERVICE INFORMATION > [MR] C D E F G H I J K L M A EC N P O SERVICE INFORMATION INDEX FOR DTC U1000-U1010 INFOID:0000000001849716 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. *4: The troubleshooting for this DTC needs CONSULT-III. P0011-P0075 INFOID:0000000001903473 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0101-P0128 INFOID:0000000001903472 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 U1000 1000*4 CAN COMM CIRCUIT EC-142 U1001 1001*4 CAN COMM CIRCUIT EC-142 U1010 1010 CONTROL UNIT(CAN) EC-144 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0011 0011 INT/V TIM CONT-B1 EC-145 P0031 0031 A/F SEN1 HTR (B1) EC-149 P0032 0032 A/F SEN1 HTR (B1) EC-149 P0037 0037 HO2S2 HTR (B1) EC-154 P0038 0038 HO2S2 HTR (B1) EC-154 P0075 0075 INT/V TIM V/CIR-B1 EC-160 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0101 0101 MAF SEN/CIRCUIT-B1 EC-165 P0102 0102 MAF SEN/CIRCUIT-B1 EC-173 P0103 0103 MAF SEN/CIRCUIT-B1 EC-173 P0112 0112 IAT SEN/CIRCUIT-B1 EC-180 P0113 0113 IAT SEN/CIRCUIT-B1 EC-180 P0117 0117 ECT SEN/CIRC EC-184 P0118 0118 ECT SEN/CIRC EC-184 P0122 0122 TP SEN 2/CIRC-B1 EC-189 P0123 0123 TP SEN 2/CIRC-B1 EC-189 P0125 0125 ECT SENSOR EC-194 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
EC-16 < SERVICE INFORMATION > [MR] INDEX FOR DTC *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0130-P0223 INFOID:0000000001903471 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0300-P0420 INFOID:0000000001903470 P0127 0127 IAT SENSOR-B1 EC-197 P0128 0128 THERMSTAT FNCTN EC-200 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0130 0130 A/F SENSOR1 (B1) EC-202 P0131 0131 A/F SENSOR1 (B1) EC-208 P0132 0132 A/F SENSOR1 (B1) EC-214 P0133 0133 A/F SENSOR1 (B1) EC-220 P0137 0137 HO2S2 (B1) EC-227 P0138 0138 HO2S2 (B1) EC-234 P0139 0139 HO2S2 (B1) EC-243 P0171 0171 FUEL SYS-LEAN-B1 EC-250 P0172 0172 FUEL SYS-RICH-B1 EC-256 P0181 0181 FTT SENSOR EC-262 P0182 0182 FTT SEN/CIRCUIT EC-266 P0183 0183 FTT SEN/CIRCUIT EC-266 P0222 0222 TP SEN 1/CIRC-B1 EC-270 P0223 0223 TP SEN 1/CIRC-B1 EC-270 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0300 0300 MULTI CYL MISFIRE EC-275 P0301 0301 CYL 1 MISFIRE EC-275 P0302 0302 CYL 2 MISFIRE EC-275 P0303 0303 CYL 3 MISFIRE EC-275 P0304 0304 CYL 4 MISFIRE EC-275 P0327 0327 KNOCK SEN/CIRC-B1 EC-281 P0328 0328 KNOCK SEN/CIRC-B1 EC-281 P0335 0335 CKP SEN/CIRCUIT EC-285 P0340 0340 CMP SEN/CIRC-B1 EC-291 P0420 0420 TW CATALYST SYS-B1 EC-297 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
INDEX FOR DTC EC-17 < SERVICE INFORMATION > [MR] C D E F G H I J K L M A EC N P O *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0441-P0463 INFOID:0000000001903469 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0500-P0643 INFOID:0000000001903468 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. *4: When the fail-safe operations for both self-diagnoses (P0500 and P0720) occur, the MIL illuminates. DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0441 0441 EVAP PURG FLOW/MON EC-301 P0442 0442 EVAP SMALL LEAK EC-306 P0443 0443 PURG VOLUME CONT/V EC-313 P0444 0444 PURG VOLUME CONT/V EC-320 P0445 0445 PURG VOLUME CONT/V EC-320 P0447 0447 VENT CONTROL VALVE EC-326 P0448 0448 VENT CONTROL VALVE EC-332 P0451 0451 EVAP SYS PRES SEN EC-338 P0452 0452 EVAP SYS PRES SEN EC-341 P0453 0453 EVAP SYS PRES SEN EC-348 P0455 0455 EVAP GROSS LEAK EC-356 P0456 0456 EVAP VERY SML LEAK EC-362 P0460 0460 FUEL LEV SEN SLOSH EC-369 P0461 0461 FUEL LEVEL SENSOR EC-371 P0462 0462 FUEL LEVL SEN/CIRC EC-373 P0463 0463 FUEL LEVL SEN/CIRC EC-373 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0500 0500 VEH SPEED SEN/CIRC*4 EC-375 P0506 0506 ISC SYSTEM EC-377 P0507 0507 ISC SYSTEM EC-379 P0605 0605 ECM EC-381 P0643 0643 SENSOR POWER/CIRC EC-383 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
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Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide
Engine Control System Troubleshooting Guide

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Engine Control System Troubleshooting Guide

  • 1. EC-1 ENGINE C D E F G H I J K L M SECTION EC A EC N O P CONTENTS ENGINE CONTROL SYSTEM MR SERVICE INFORMATION ........................ ...15 INDEX FOR DTC ............................................ ....15 U1000-U1010 ...................................................... ....15 P0011-P0075 ...................................................... ....15 P0101-P0128 ...................................................... ....15 P0130-P0223 ...................................................... ....16 P0300-P0420 ...................................................... ....16 P0441-P0463 ...................................................... ....17 P0500-P0643 ...................................................... ....17 P0705-P0845 ...................................................... ....18 P0850-P1574 ...................................................... ....18 P1610-P1615 ...................................................... ....19 P1715-P1805 ...................................................... ....19 P2100-P2A00 ...................................................... ....19 PRECAUTIONS .............................................. ....21 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" ............................................................. ....21 Precaution for Procedure without Cowl Top Cover ....21 On Board Diagnosis (OBD) System of Engine and CVT ..................................................................... ....21 Precaution ........................................................... ....22 PREPARATION .............................................. ....25 Special Service Tool ........................................... ....25 Commercial Service Tool .................................... ....25 ENGINE CONTROL SYSTEM ........................ ....27 Schematic ........................................................... ....27 Multiport Fuel Injection (MFI) System ................. ....27 Electronic Ignition (EI) System ............................ ....30 Fuel Cut Control (at No Load and High Engine Speed) ................................................................. ....30 AIR CONDITIONING CUT CONTROL ........... ....32 Input/Output Signal Chart .................................... ....32 System Description ............................................. ....32 AUTOMATIC SPEED CONTROL DEVICE (ASCD) ..............................................................33 System Description .............................................. ....33 Component Description ....................................... ....34 CAN COMMUNICATION ...................................35 System Description .............................................. ....35 EVAPORATIVE EMISSION SYSTEM ...............36 Description ........................................................... ....36 Component Inspection ......................................... ....38 Removal and Installation ..................................... ....39 How to Detect Fuel Vapor Leakage ..................... ....40 ON BOARD REFUELING VAPOR RECOV- ERY (ORVR) ......................................................42 System Description .............................................. ....42 Diagnosis Procedure ........................................... ....42 Component Inspection ......................................... ....44 POSITIVE CRANKCASE VENTILATION .........47 Description ........................................................... ....47 Component Inspection ......................................... ....47 NVIS (NISSAN VEHICLE IMMOBILIZER SYS- TEM-NATS) .......................................................49 Description ........................................................... ....49 ON BOARD DIAGNOSTIC (OBD) SYSTEM ....50 Introduction .......................................................... ....50 Two Trip Detection Logic ..................................... ....50 Emission-related Diagnostic Information ............. ....51 Malfunction Indicator Lamp (MIL) ........................ ....66 OBD System Operation Chart ............................. ....69 BASIC SERVICE PROCEDURE .......................75 Basic Inspection .................................................. ....75 Idle Speed and Ignition Timing Check ................. ....79 Procedure After Replacing ECM ......................... ....80 VIN Registration .................................................. ....81 Accelerator Pedal Released Position Learning ... ....81 Throttle Valve Closed Position Learning ............. ....81 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 2. EC-2 Idle Air Volume Learning ..................................... ... 81 Fuel Pressure Check ........................................... ... 83 TROUBLE DIAGNOSIS .................................. ... 86 Trouble Diagnosis Introduction ............................ ... 86 DTC Inspection Priority Chart .............................. ... 90 Fail-Safe Chart .................................................... ... 91 Symptom Matrix Chart ......................................... ... 92 Engine Control Component Parts Location ......... ... 97 Vacuum Hose Drawing ........................................ ..103 Circuit Diagram .................................................... ..104 ECM Harness Connector Terminal Layout .......... ..106 ECM Terminal and Reference Value ................... ..106 CONSULT-III Function (ENGINE) ....................... ..113 Generic Scan Tool (GST) Function ..................... ..121 CONSULT-III Reference Value in Data Monitor .. ..123 TROUBLE DIAGNOSIS - SPECIFICATION VALUE ............................................................ . 127 Description ........................................................... ..127 Testing Condition ................................................. ..127 Inspection Procedure ........................................... ..127 Diagnosis Procedure ........................................... ..127 TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ....................................................... . 135 Description ........................................................... ..135 Diagnosis Procedure ........................................... ..135 POWER SUPPLY AND GROUND CIRCUIT .. . 136 Wiring Diagram .................................................... ..136 Diagnosis Procedure ........................................... ..137 Ground Inspection ............................................... ..140 DTC U1000, U1001 CAN COMMUNICATION LINE ................................................................ . 142 Description ........................................................... ..142 On Board Diagnosis Logic ................................... ..142 DTC Confirmation Procedure .............................. ..142 Wiring Diagram .................................................... ..143 Diagnosis Procedure ........................................... ..143 DTC U1010 CAN COMMUNICATION ............ . 144 Description ........................................................... ..144 On Board Diagnosis Logic ................................... ..144 DTC Confirmation Procedure .............................. ..144 Diagnosis Procedure ........................................... ..144 DTC P0011 IVT CONTROL ............................ . 145 Description ........................................................... ..145 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..145 On Board Diagnosis Logic ................................... ..146 DTC Confirmation Procedure .............................. ..146 Diagnosis Procedure ........................................... ..147 Component Inspection ......................................... ..148 Removal and Installation ..................................... ..148 DTC P0031, P0032 A/F SENSOR 1 HEATER. 149 Description ........................................................... ..149 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 149 On Board Diagnosis Logic ................................... . 149 DTC Confirmation Procedure ............................... . 149 Wiring Diagram .................................................... . 150 Diagnosis Procedure ............................................ . 151 Component Inspection ......................................... . 152 Removal and Installation ...................................... . 153 DTC P0037, P0038 HO2S2 HEATER ............ ..154 Description ........................................................... . 154 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 154 On Board Diagnosis Logic ................................... . 154 DTC Confirmation Procedure ............................... . 154 Wiring Diagram .................................................... . 156 Diagnosis Procedure ............................................ . 157 Component Inspection ......................................... . 158 Removal and Installation ...................................... . 159 DTC P0075 IVT CONTROL SOLENOID VALVE ............................................................ ..160 Component Description ....................................... . 160 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 160 On Board Diagnosis Logic ................................... . 160 DTC Confirmation Procedure ............................... . 160 Wiring Diagram .................................................... . 161 Diagnosis Procedure ............................................ . 162 Component Inspection ......................................... . 163 Removal and Installation ...................................... . 164 DTC P0101 MAF SENSOR ............................ ..165 Component Description ....................................... . 165 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 165 On Board Diagnosis Logic ................................... . 165 DTC Confirmation Procedure ............................... . 165 Overall Function Check ........................................ . 166 Wiring Diagram .................................................... . 168 Diagnosis Procedure ............................................ . 169 Component Inspection ......................................... . 171 Removal and Installation ...................................... . 172 DTC P0102, P0103 MAF SENSOR ................ ..173 Component Description ....................................... . 173 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 173 On Board Diagnosis Logic ................................... . 173 DTC Confirmation Procedure ............................... . 173 Wiring Diagram .................................................... . 175 Diagnosis Procedure ............................................ . 176 Component Inspection ......................................... . 178 Removal and Installation ...................................... . 179 DTC P0112, P0113 IAT SENSOR .................. ..180 Component Description ....................................... . 180 On Board Diagnosis Logic ................................... . 180 DTC Confirmation Procedure ............................... . 180 Wiring Diagram .................................................... . 181 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 3. EC-3 C D E F G H I J K L M EC A N O P Diagnosis Procedure ........................................... .. 181 Component Inspection ........................................ .. 183 Removal and Installation ..................................... .. 183 DTC P0117, P0118 ECT SENSOR ................ ..184 Component Description ....................................... .. 184 On Board Diagnosis Logic .................................. .. 184 DTC Confirmation Procedure .............................. .. 185 Wiring Diagram ................................................... .. 186 Diagnosis Procedure ........................................... .. 186 Component Inspection ........................................ .. 188 Removal and Installation ..................................... .. 188 DTC P0122, P0123 TP SENSOR ................... ..189 Component Description ....................................... .. 189 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 189 On Board Diagnosis Logic .................................. .. 189 DTC Confirmation Procedure .............................. .. 189 Wiring Diagram ................................................... .. 190 Diagnosis Procedure ........................................... .. 191 Component Inspection ........................................ .. 192 Removal and Installation ..................................... .. 193 DTC P0125 ECT SENSOR ............................. ..194 Description .......................................................... .. 194 On Board Diagnosis Logic .................................. .. 194 DTC Confirmation Procedure .............................. .. 194 Diagnosis Procedure ........................................... .. 195 Component Inspection ........................................ .. 195 Removal and Installation ..................................... .. 196 DTC P0127 IAT SENSOR .............................. ..197 Component Description ....................................... .. 197 On Board Diagnosis Logic .................................. .. 197 DTC Confirmation Procedure .............................. .. 197 Diagnosis Procedure ........................................... .. 198 Component Inspection ........................................ .. 198 Removal and Installation ..................................... .. 199 DTC P0128 THERMOSTAT FUNCTION ........ ..200 On Board Diagnosis Logic .................................. .. 200 DTC Confirmation Procedure .............................. .. 200 Diagnosis Procedure ........................................... .. 200 Component Inspection ........................................ .. 200 Removal and Installation ..................................... .. 201 DTC P0130 A/F SENSOR 1 ........................... ..202 Component Description ....................................... .. 202 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 202 On Board Diagnosis Logic .................................. .. 202 DTC Confirmation Procedure .............................. .. 202 Overall Function Check ....................................... .. 203 Wiring Diagram ................................................... .. 204 Diagnosis Procedure ........................................... .. 205 Removal and Installation ..................................... .. 207 DTC P0131 A/F SENSOR 1 ........................... ..208 Component Description ....................................... .. 208 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..208 On Board Diagnosis Logic ................................... ..208 DTC Confirmation Procedure .............................. ..208 Wiring Diagram .................................................... ..210 Diagnosis Procedure ........................................... ..211 Removal and Installation ..................................... ..213 DTC P0132 A/F SENSOR 1 ............................ 214 Component Description ....................................... ..214 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..214 On Board Diagnosis Logic ................................... ..214 DTC Confirmation Procedure .............................. ..214 Wiring Diagram .................................................... ..216 Diagnosis Procedure ........................................... ..217 Removal and Installation ..................................... ..219 DTC P0133 A/F SENSOR 1 ............................ 220 Component Description ....................................... ..220 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..220 On Board Diagnosis Logic ................................... ..220 DTC Confirmation Procedure .............................. ..220 Wiring Diagram .................................................... ..222 Diagnosis Procedure ........................................... ..223 Removal and Installation ..................................... ..226 DTC P0137 HO2S2 ......................................... 227 Component Description ....................................... ..227 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..227 On Board Diagnosis Logic ................................... ..227 DTC Confirmation Procedure .............................. ..227 Overall Function Check ....................................... ..228 Wiring Diagram .................................................... ..229 Diagnosis Procedure ........................................... ..230 Component Inspection ......................................... ..232 Removal and Installation ..................................... ..233 DTC P0138 HO2S2 ......................................... 234 Component Description ....................................... ..234 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..234 On Board Diagnosis Logic ................................... ..234 DTC Confirmation Procedure .............................. ..235 Overall Function Check ....................................... ..236 Wiring Diagram .................................................... ..237 Diagnosis Procedure ........................................... ..238 Component Inspection ......................................... ..241 Removal and Installation ..................................... ..242 DTC P0139 HO2S2 ......................................... 243 Component Description ....................................... ..243 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..243 On Board Diagnosis Logic ................................... ..243 DTC Confirmation Procedure .............................. ..243 Overall Function Check ....................................... ..244 Wiring Diagram .................................................... ..245 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 4. EC-4 Diagnosis Procedure ........................................... ..246 Component Inspection ......................................... ..248 Removal and Installation ..................................... ..249 DTC P0171 FUEL INJECTION SYSTEM FUNCTION ...................................................... . 250 On Board Diagnosis Logic ................................... ..250 DTC Confirmation Procedure .............................. ..250 Wiring Diagram .................................................... ..252 Diagnosis Procedure ........................................... ..253 DTC P0172 FUEL INJECTION SYSTEM FUNCTION ...................................................... . 256 On Board Diagnosis Logic ................................... ..256 DTC Confirmation Procedure .............................. ..256 Wiring Diagram .................................................... ..258 Diagnosis Procedure ........................................... ..259 DTC P0181 FTT SENSOR .............................. . 262 Component Description ....................................... ..262 On Board Diagnosis Logic ................................... ..262 DTC Confirmation Procedure .............................. ..262 Wiring Diagram .................................................... ..263 Diagnosis Procedure ........................................... ..263 Component Inspection ......................................... ..265 Removal and Installation ..................................... ..265 DTC P0182, P0183 FTT SENSOR ................. . 266 Component Description ....................................... ..266 On Board Diagnosis Logic ................................... ..266 DTC Confirmation Procedure .............................. ..266 Wiring Diagram .................................................... ..267 Diagnosis Procedure ........................................... ..267 Component Inspection ......................................... ..269 Removal and Installation ..................................... ..269 DTC P0222, P0223 TP SENSOR ................... . 270 Component Description ....................................... ..270 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..270 On Board Diagnosis Logic ................................... ..270 DTC Confirmation Procedure .............................. ..270 Wiring Diagram .................................................... ..271 Diagnosis Procedure ........................................... ..272 Component Inspection ......................................... ..273 Removal and Installation ..................................... ..274 DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MISFIRE ...... . 275 On Board Diagnosis Logic ................................... ..275 DTC Confirmation Procedure .............................. ..275 Diagnosis Procedure ........................................... ..276 DTC P0327, P0328 KS ................................... . 281 Component Description ....................................... ..281 On Board Diagnosis Logic ................................... ..281 DTC Confirmation Procedure .............................. ..281 Wiring Diagram .................................................... ..282 Diagnosis Procedure ........................................... ..283 Component Inspection ......................................... ..284 Removal and Installation ...................................... . 284 DTC P0335 CKP SENSOR (POS) .................. ..285 Component Description ....................................... . 285 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 285 On Board Diagnosis Logic ................................... . 285 DTC Confirmation Procedure ............................... . 285 Wiring Diagram .................................................... . 286 Diagnosis Procedure ............................................ . 287 Component Inspection ......................................... . 290 Removal and Installation ...................................... . 290 DTC P0340 CMP SENSOR (PHASE) ............ ..291 Component Description ....................................... . 291 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 291 On Board Diagnosis Logic ................................... . 291 DTC Confirmation Procedure ............................... . 291 Wiring Diagram .................................................... . 292 Diagnosis Procedure ............................................ . 293 Component Inspection ......................................... . 295 Removal and Installation ...................................... . 296 DTC P0420 THREE WAY CATALYST FUNC- TION ................................................................ ..297 On Board Diagnosis Logic ................................... . 297 DTC Confirmation Procedure ............................... . 297 Overall Function Check ........................................ . 298 Diagnosis Procedure ............................................ . 298 DTC P0441 EVAP CONTROL SYSTEM ........ ..301 System Description .............................................. . 301 On Board Diagnosis Logic ................................... . 301 DTC Confirmation Procedure ............................... . 301 Overall Function Check ........................................ . 302 Diagnosis Procedure ............................................ . 302 DTC P0442 EVAP CONTROL SYSTEM ........ ..306 On Board Diagnosis Logic ................................... . 306 DTC Confirmation Procedure ............................... . 306 Diagnosis Procedure ............................................ . 307 DTC P0443 EVAP CANISTER PURGE VOL- UME CONTROL SOLENOID VALVE ............. ..313 Description ........................................................... . 313 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 313 On Board Diagnosis Logic ................................... . 314 DTC Confirmation Procedure ............................... . 314 Wiring Diagram .................................................... . 315 Diagnosis Procedure ............................................ . 316 Component Inspection ......................................... . 319 Removal and Installation ...................................... . 319 DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ..... ..320 Description ........................................................... . 320 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 320 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 5. EC-5 C D E F G H I J K L M EC A N O P On Board Diagnosis Logic .................................. .. 321 DTC Confirmation Procedure .............................. .. 321 Wiring Diagram ................................................... .. 322 Diagnosis Procedure ........................................... .. 323 Component Inspection ........................................ .. 325 Removal and Installation ..................................... .. 325 DTC P0447 EVAP CANISTER VENT CON- TROL VALVE ................................................. ..326 Component Description ....................................... .. 326 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 326 On Board Diagnosis Logic .................................. .. 326 DTC Confirmation Procedure .............................. .. 326 Wiring Diagram ................................................... .. 327 Diagnosis Procedure ........................................... .. 328 Component Inspection ........................................ .. 330 DTC P0448 EVAP CANISTER VENT CON- TROL VALVE ................................................. ..332 Component Description ....................................... .. 332 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 332 On Board Diagnosis Logic .................................. .. 332 DTC Confirmation Procedure .............................. .. 332 Wiring Diagram ................................................... .. 334 Diagnosis Procedure ........................................... .. 335 Component Inspection ........................................ .. 336 DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... ..338 Component Description ....................................... .. 338 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 338 On Board Diagnosis Logic .................................. .. 338 DTC Confirmation Procedure .............................. .. 338 Diagnosis Procedure ........................................... .. 339 Component Inspection ........................................ .. 340 DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... ..341 Component Description ....................................... .. 341 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 341 On Board Diagnosis Logic .................................. .. 341 DTC Confirmation Procedure .............................. .. 341 Wiring Diagram ................................................... .. 343 Diagnosis Procedure ........................................... .. 344 Component Inspection ........................................ .. 347 DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... ..348 Component Description ....................................... .. 348 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 348 On Board Diagnosis Logic .................................. .. 348 DTC Confirmation Procedure .............................. .. 348 Wiring Diagram ................................................... .. 350 Diagnosis Procedure ........................................... .. 351 Component Inspection ........................................ .. 355 DTC P0455 EVAP CONTROL SYSTEM ......... 356 On Board Diagnosis Logic ................................... ..356 DTC Confirmation Procedure .............................. ..356 Diagnosis Procedure ........................................... ..357 DTC P0456 EVAP CONTROL SYSTEM ......... 362 On Board Diagnosis Logic ................................... ..362 DTC Confirmation Procedure .............................. ..363 Overall Function Check ....................................... ..363 Diagnosis Procedure ........................................... ..364 DTC P0460 FUEL LEVEL SENSOR ............... 369 Component Description ....................................... ..369 On Board Diagnosis Logic ................................... ..369 DTC Confirmation Procedure .............................. ..369 Diagnosis Procedure ........................................... ..369 Removal and Installation ..................................... ..370 DTC P0461 FUEL LEVEL SENSOR ............... 371 Component Description ....................................... ..371 On Board Diagnosis Logic ................................... ..371 Overall Function Check ....................................... ..371 Diagnosis Procedure ........................................... ..372 Removal and Installation ..................................... ..372 DTC P0462, P0463 FUEL LEVEL SENSOR .. 373 Component Description ....................................... ..373 On Board Diagnosis Logic ................................... ..373 DTC Confirmation Procedure .............................. ..373 Diagnosis Procedure ........................................... ..373 Removal and Installation ..................................... ..374 DTC P0500 VSS .............................................. 375 Description ........................................................... ..375 On Board Diagnosis Logic ................................... ..375 DTC Confirmation Procedure .............................. ..375 Overall Function Check ....................................... ..376 Diagnosis Procedure ........................................... ..376 DTC P0506 ISC SYSTEM ............................... 377 Description ........................................................... ..377 On Board Diagnosis Logic ................................... ..377 DTC Confirmation Procedure .............................. ..377 Diagnosis Procedure ........................................... ..377 DTC P0507 ISC SYSTEM ............................... 379 Description ........................................................... ..379 On Board Diagnosis Logic ................................... ..379 DTC Confirmation Procedure .............................. ..379 Diagnosis Procedure ........................................... ..379 DTC P0605 ECM ............................................. 381 Component Description ....................................... ..381 On Board Diagnosis Logic ................................... ..381 DTC Confirmation Procedure .............................. ..381 Diagnosis Procedure ........................................... ..382 DTC P0643 SENSOR POWER SUPPLY ........ 383 On Board Diagnosis Logic ................................... ..383 DTC Confirmation Procedure .............................. ..383 Wiring Diagram .................................................... ..384 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 6. EC-6 Diagnosis Procedure ........................................... ..385 DTC P0850 PNP SWITCH .............................. . 388 Component Description ....................................... ..388 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..388 On Board Diagnosis Logic ................................... ..388 DTC Confirmation Procedure .............................. ..388 Overall Function Check ....................................... ..389 Wiring Diagram .................................................... ..390 Diagnosis Procedure ........................................... ..391 DTC P1148 CLOSED LOOP CONTROL ........ . 393 On Board Diagnosis Logic ................................... ..393 DTC P1217 ENGINE OVER TEMPERATURE. 394 System Description .............................................. ..394 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..395 On Board Diagnosis Logic ................................... ..396 Overall Function Check ....................................... ..396 Wiring Diagram .................................................... ..398 Diagnosis Procedure ........................................... ..400 Main 13 Causes of Overheating .......................... ..404 Component Inspection ......................................... ..405 DTC P1225 TP SENSOR ................................ . 406 Component Description ....................................... ..406 On Board Diagnosis Logic ................................... ..406 DTC Confirmation Procedure .............................. ..406 Diagnosis Procedure ........................................... ..406 Removal and Installation ..................................... ..407 DTC P1226 TP SENSOR ................................ . 408 Component Description ....................................... ..408 On Board Diagnosis Logic ................................... ..408 DTC Confirmation Procedure .............................. ..408 Diagnosis Procedure ........................................... ..408 Removal and Installation ..................................... ..409 DTC P1421 COLD START CONTROL ........... . 410 Description ........................................................... ..410 On Board Diagnosis Logic ................................... ..410 DTC Confirmation Procedure .............................. ..410 Diagnosis Procedure ........................................... ..410 DTC P1564 ASCD STEERING SWITCH ........ . 412 Component Description ....................................... ..412 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..412 On Board Diagnosis Logic ................................... ..412 DTC Confirmation Procedure .............................. ..413 Wiring Diagram .................................................... ..414 Diagnosis Procedure ........................................... ..415 Component Inspection ......................................... ..417 DTC P1572 ASCD BRAKE SWITCH ............. . 418 Component Description ....................................... ..418 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..418 On Board Diagnosis Logic ................................... ..418 DTC Confirmation Procedure ............................... . 419 Wiring Diagram .................................................... . 420 Diagnosis Procedure ............................................ . 421 Component Inspection ......................................... . 425 DTC P1574 ASCD VEHICLE SPEED SEN- SOR ................................................................ ..427 Component Description ....................................... . 427 On Board Diagnosis Logic ................................... . 427 DTC Confirmation Procedure ............................... . 427 Diagnosis Procedure ............................................ . 427 DTC P1715 INPUT SPEED SENSOR (PRIMA- RY SPEED SENSOR) ..................................... ..429 Description ........................................................... . 429 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 429 On Board Diagnosis Logic ................................... . 429 DTC Confirmation Procedure ............................... . 429 Diagnosis Procedure ............................................ . 429 DTC P1805 BRAKE SWITCH ........................ ..431 Description ........................................................... . 431 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 431 On Board Diagnosis Logic ................................... . 431 DTC Confirmation Procedure ............................... . 431 Wiring Diagram .................................................... . 432 Diagnosis Procedure ............................................ . 433 Component Inspection ......................................... . 434 DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY .............................................. ..435 Component Description ....................................... . 435 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 435 On Board Diagnosis Logic ................................... . 435 DTC Confirmation Procedure ............................... . 435 Wiring Diagram .................................................... . 436 Diagnosis Procedure ............................................ . 437 DTC P2101 ELECTRIC THROTTLE CON- TROL FUNCTION ........................................... ..439 Description ........................................................... . 439 On Board Diagnosis Logic ................................... . 439 DTC Confirmation Procedure ............................... . 439 Wiring Diagram .................................................... . 440 Diagnosis Procedure ............................................ . 441 Component Inspection ......................................... . 444 Removal and Installation ...................................... . 444 DTC P2118 THROTTLE CONTROL MOTOR ..445 Component Description ....................................... . 445 On Board Diagnosis Logic ................................... . 445 DTC Confirmation Procedure ............................... . 445 Wiring Diagram .................................................... . 446 Diagnosis Procedure ............................................ . 447 Component Inspection ......................................... . 448 Removal and Installation ...................................... . 448 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 7. EC-7 C D E F G H I J K L M EC A N O P DTC P2119 ELECTRIC THROTTLE CON- TROL ACTUATOR ......................................... ..449 Component Description ....................................... .. 449 On Board Diagnosis Logic .................................. .. 449 DTC Confirmation Procedure .............................. .. 449 Diagnosis Procedure ........................................... .. 450 DTC P2122, P2123 APP SENSOR ................ ..451 Component Description ....................................... .. 451 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 451 On Board Diagnosis Logic .................................. .. 451 DTC Confirmation Procedure .............................. .. 451 Wiring Diagram ................................................... .. 452 Diagnosis Procedure ........................................... .. 453 Component Inspection ........................................ .. 455 Removal and Installation ..................................... .. 455 DTC P2127, P2128 APP SENSOR ................ ..456 Component Description ....................................... .. 456 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 456 On Board Diagnosis Logic .................................. .. 456 DTC Confirmation Procedure .............................. .. 457 Wiring Diagram ................................................... .. 458 Diagnosis Procedure ........................................... .. 459 Component Inspection ........................................ .. 461 Removal and Installation ..................................... .. 462 DTC P2135 TP SENSOR ............................... ..463 Component Description ....................................... .. 463 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 463 On Board Diagnosis Logic .................................. .. 463 DTC Confirmation Procedure .............................. .. 463 Wiring Diagram ................................................... .. 464 Diagnosis Procedure ........................................... .. 465 Component Inspection ........................................ .. 466 Removal and Installation ..................................... .. 467 DTC P2138 APP SENSOR ............................. ..468 Component Description ....................................... .. 468 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 468 On Board Diagnosis Logic .................................. .. 468 DTC Confirmation Procedure .............................. .. 469 Wiring Diagram ................................................... .. 470 Diagnosis Procedure ........................................... .. 471 Component Inspection ........................................ .. 474 Removal and Installation ..................................... .. 474 DTC P2A00 A/F SENSOR 1 ........................... ..475 Component Description ....................................... .. 475 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 475 On Board Diagnosis Logic .................................. .. 475 DTC Confirmation Procedure .............................. .. 475 Wiring Diagram ................................................... .. 477 Diagnosis Procedure ........................................... .. 478 Removal and Installation ..................................... .. 481 ASCD BRAKE SWITCH .................................. 482 Component Description ....................................... ..482 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..482 Wiring Diagram .................................................... ..483 Diagnosis Procedure ........................................... ..484 Component Inspection ......................................... ..488 ASCD INDICATOR .......................................... 490 Component Description ....................................... ..490 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..490 Wiring Diagram .................................................... ..491 Diagnosis Procedure ........................................... ..491 ELECTRICAL LOAD SIGNAL ........................ 493 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..493 Diagnosis Procedure ........................................... ..493 FUEL INJECTOR ............................................ 495 Component Description ....................................... ..495 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..495 Wiring Diagram .................................................... ..496 Diagnosis Procedure ........................................... ..497 Component Inspection ......................................... ..499 Removal and Installation ..................................... ..499 FUEL PUMP .................................................... 500 Description ........................................................... ..500 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..500 Wiring Diagram .................................................... ..501 Diagnosis Procedure ........................................... ..502 Component Inspection ......................................... ..504 Removal and Installation ..................................... ..504 IGNITION SIGNAL .......................................... 505 Component Description ....................................... ..505 Wiring Diagram .................................................... ..506 Diagnosis Procedure ........................................... ..509 Component Inspection ......................................... ..512 Removal and Installation ..................................... ..513 REFRIGERANT PRESSURE SENSOR .......... 514 Component Description ....................................... ..514 Wiring Diagram .................................................... ..515 Diagnosis Procedure ........................................... ..516 Removal and Installation ..................................... ..518 MIL AND DATA LINK CONNECTOR ............. 519 Wiring Diagram .................................................... ..519 SERVICE DATA AND SPECIFICATIONS (SDS) ............................................................... 521 Fuel Pressure ...................................................... ..521 Idle Speed and Ignition Timing ............................ ..521 Calculated Load Value ........................................ ..521 Mass Air Flow Sensor .......................................... ..521 Intake Air Temperature Sensor ........................... ..521 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 8. EC-8 Engine Coolant Temperature Sensor .................. ..521 Air Fuel Ratio (A/F) Sensor 1 Heater ................... ..521 Heated Oxygen sensor 2 Heater ......................... ..522 Crankshaft Position Sensor (POS) ...................... ..522 Camshaft Position Sensor (PHASE) ................... ..522 Throttle Control Motor .......................................... ..522 Fuel Injector ......................................................... ..522 Fuel Pump ........................................................... ..522 QR SERVICE INFORMATION ........................ ..523 INDEX FOR DTC ............................................ . 523 U1000-U1010 ...................................................... ..523 P0011-P0075 ....................................................... ..523 P0101-P0128 ....................................................... ..523 P0130-P0159 ....................................................... ..524 P0171-P0223 ....................................................... ..524 P0300-P0430 ....................................................... ..525 P0441-P0463 ....................................................... ..525 P0500-P0643 ....................................................... ..526 P0705-P0850 ....................................................... ..526 P1148-P1574 ....................................................... ..527 P1610-P1615 ....................................................... ..527 P1715-P1805 ....................................................... ..527 P2100-P2A03 ...................................................... ..528 PRECAUTIONS .............................................. . 529 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" .............................................................. ..529 Precaution for Procedure without Cowl Top Cover ..529 On Board Diagnosis (OBD) System of Engine and CVT ..................................................................... ..529 Precaution ........................................................... ..530 PREPARATION .............................................. . 533 Special Service Tool ............................................ ..533 Commercial Service Tool .................................... ..533 ENGINE CONTROL SYSTEM ........................ . 535 Schematic ............................................................ ..535 Multiport Fuel Injection (MFI) System .................. ..535 Electronic Ignition (EI) System ............................ ..538 Fuel Cut Control (at No Load and High Engine Speed) ................................................................. ..538 AIR CONDITIONING CUT CONTROL ........... . 540 Input/Output Signal Chart .................................... ..540 System Description .............................................. ..540 AUTOMATIC SPEED CONTROL DEVICE (ASCD) ............................................................ . 541 System Description .............................................. ..541 Component Description ....................................... ..542 CAN COMMUNICATION ................................ . 543 System Description .............................................. ..543 EVAPORATIVE EMISSION SYSTEM ............ . 544 Description ........................................................... ..544 Component Inspection ......................................... . 546 Removal and Installation ...................................... . 547 How to Detect Fuel Vapor Leakage ..................... . 548 ON BOARD REFUELING VAPOR RECOV- ERY (ORVR) ................................................... ..550 System Description .............................................. . 550 Diagnosis Procedure ............................................ . 550 Component Inspection ......................................... . 552 POSITIVE CRANKCASE VENTILATION ....... ..555 Description ........................................................... . 555 Component Inspection ......................................... . 555 NVIS (NISSAN VEHICLE IMMOBILIZER SYS- TEM-NATS) .................................................... ..557 Description ........................................................... . 557 ON BOARD DIAGNOSTIC (OBD) SYSTEM .. ..558 Introduction .......................................................... . 558 Two Trip Detection Logic ..................................... . 558 Emission-related Diagnostic Information ............. . 559 Malfunction Indicator Lamp (MIL) ........................ . 575 OBD System Operation Chart .............................. . 578 BASIC SERVICE PROCEDURE .................... ..584 Basic Inspection ................................................... . 584 Idle Speed and Ignition Timing Check ................. . 588 Procedure After Replacing ECM .......................... . 589 VIN Registration ................................................... . 590 Accelerator Pedal Released Position Learning .... . 590 Throttle Valve Closed Position Learning .............. . 590 Idle Air Volume Learning ...................................... . 590 Fuel Pressure Check ........................................... . 592 TROUBLE DIAGNOSIS .................................. ..594 Trouble Diagnosis Introduction ............................ . 594 DTC Inspection Priority Chart .............................. . 598 Fail-Safe Chart ..................................................... . 599 Symptom Matrix Chart ......................................... . 600 Engine Control Component Parts Location .......... . 605 Vacuum Hose Drawing ........................................ . 611 Circuit Diagram .................................................... . 612 ECM Harness Connector Terminal Layout .......... . 614 ECM Terminal and Reference Value ................... . 614 CONSULT-III Function (ENGINE) ........................ . 621 Generic Scan Tool (GST) Function ...................... . 630 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 631 TROUBLE DIAGNOSIS - SPECIFICATION VALUE ............................................................ ..635 Description ........................................................... . 635 Testing Condition ................................................. . 635 Inspection Procedure ........................................... . 635 Diagnosis Procedure ............................................ . 635 TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ....................................................... ..643 Description ........................................................... . 643 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 9. EC-9 C D E F G H I J K L M EC A N O P Diagnosis Procedure ........................................... .. 643 POWER SUPPLY AND GROUND CIRCUIT .. ..644 Wiring Diagram ................................................... .. 644 Diagnosis Procedure ........................................... .. 645 Ground Inspection ............................................... .. 649 DTC U1000, U1001 CAN COMMUNICATION LINE ................................................................ ..650 Description .......................................................... .. 650 On Board Diagnosis Logic .................................. .. 650 DTC Confirmation Procedure .............................. .. 650 Wiring Diagram ................................................... .. 651 Diagnosis Procedure ........................................... .. 651 DTC U1010 CAN COMMUNICATION ............ ..652 Description .......................................................... .. 652 On Board Diagnosis Logic .................................. .. 652 DTC Confirmation Procedure .............................. .. 652 Diagnosis Procedure ........................................... .. 652 DTC P0011 IVT CONTROL ............................ ..653 Description .......................................................... .. 653 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 653 On Board Diagnosis Logic .................................. .. 654 DTC Confirmation Procedure .............................. .. 654 Diagnosis Procedure ........................................... .. 655 Component Inspection ........................................ .. 656 Removal and Installation ..................................... .. 656 DTC P0031, P0032, P0051, P0052 A/F SEN- SOR 1 HEATER ............................................. ..657 Description .......................................................... .. 657 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 657 On Board Diagnosis Logic .................................. .. 657 DTC Confirmation Procedure .............................. .. 657 Wiring Diagram ................................................... .. 658 Diagnosis Procedure ........................................... .. 661 Component Inspection ........................................ .. 662 Removal and Installation ..................................... .. 663 DTC P0037, P0038, P0057, P0058 HO2S2 HEATER ......................................................... ..664 Description .......................................................... .. 664 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 664 On Board Diagnosis Logic .................................. .. 664 DTC Confirmation Procedure .............................. .. 664 Wiring Diagram ................................................... .. 666 Diagnosis Procedure ........................................... .. 669 Component Inspection ........................................ .. 671 Removal and Installation ..................................... .. 671 DTC P0075 IVT CONTROL SOLENOID VALVE ............................................................ ..672 Component Description ....................................... .. 672 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 672 On Board Diagnosis Logic ................................... ..672 DTC Confirmation Procedure .............................. ..672 Wiring Diagram .................................................... ..673 Diagnosis Procedure ........................................... ..674 Component Inspection ......................................... ..675 Removal and Installation ..................................... ..676 DTC P0101 MAF SENSOR ............................. 677 Component Description ....................................... ..677 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..677 On Board Diagnosis Logic ................................... ..677 DTC Confirmation Procedure .............................. ..677 Overall Function Check ....................................... ..678 Wiring Diagram .................................................... ..679 Diagnosis Procedure ........................................... ..680 Component Inspection ......................................... ..682 Removal and Installation ..................................... ..683 DTC P0102, P0103 MAF SENSOR ................. 684 Component Description ....................................... ..684 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..684 On Board Diagnosis Logic ................................... ..684 DTC Confirmation Procedure .............................. ..684 Wiring Diagram .................................................... ..686 Diagnosis Procedure ........................................... ..687 Component Inspection ......................................... ..689 Removal and Installation ..................................... ..690 DTC P0112, P0113 IAT SENSOR ................... 691 Component Description ....................................... ..691 On Board Diagnosis Logic ................................... ..691 DTC Confirmation Procedure .............................. ..691 Wiring Diagram .................................................... ..692 Diagnosis Procedure ........................................... ..692 Component Inspection ......................................... ..694 Removal and Installation ..................................... ..694 DTC P0117, P0118 ECT SENSOR ................. 695 Component Description ....................................... ..695 On Board Diagnosis Logic ................................... ..695 DTC Confirmation Procedure .............................. ..696 Wiring Diagram .................................................... ..697 Diagnosis Procedure ........................................... ..697 Component Inspection ......................................... ..699 Removal and Installation ..................................... ..699 DTC P0122, P0123 TP SENSOR .................... 700 Component Description ....................................... ..700 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..700 On Board Diagnosis Logic ................................... ..700 DTC Confirmation Procedure .............................. ..700 Wiring Diagram .................................................... ..701 Diagnosis Procedure ........................................... ..702 Component Inspection ......................................... ..704 Removal and Installation ..................................... ..704 DTC P0125 ECT SENSOR .............................. 705 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 10. EC-10 Description ........................................................... ..705 On Board Diagnosis Logic ................................... ..705 DTC Confirmation Procedure .............................. ..705 Diagnosis Procedure ........................................... ..706 Component Inspection ......................................... ..706 Removal and Installation ..................................... ..707 DTC P0127 IAT SENSOR ............................... . 708 Component Description ....................................... ..708 On Board Diagnosis Logic ................................... ..708 DTC Confirmation Procedure .............................. ..708 Diagnosis Procedure ........................................... ..709 Component Inspection ......................................... ..709 Removal and Installation ..................................... ..710 DTC P0128 THERMOSTAT FUNCTION ........ . 711 On Board Diagnosis Logic ................................... ..711 DTC Confirmation Procedure .............................. ..711 Diagnosis Procedure ........................................... ..711 Component Inspection ......................................... ..711 Removal and Installation ..................................... ..712 DTC P0130, P0150 A/F SENSOR 1 ............... . 713 Component Description ....................................... ..713 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..713 On Board Diagnosis Logic ................................... ..713 DTC Confirmation Procedure .............................. ..713 Overall Function Check ....................................... ..714 Wiring Diagram .................................................... ..715 Diagnosis Procedure ........................................... ..718 Removal and Installation ..................................... ..720 DTC P0131, P0151 A/F SENSOR 1 ............... . 721 Component Description ....................................... ..721 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..721 On Board Diagnosis Logic ................................... ..721 DTC Confirmation Procedure .............................. ..721 Wiring Diagram .................................................... ..723 Diagnosis Procedure ........................................... ..726 Removal and Installation ..................................... ..728 DTC P0132, P0152 A/F SENSOR 1 ............... . 729 Component Description ....................................... ..729 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..729 On Board Diagnosis Logic ................................... ..729 DTC Confirmation Procedure .............................. ..729 Wiring Diagram .................................................... ..731 Diagnosis Procedure ........................................... ..734 Removal and Installation ..................................... ..736 DTC P0133, P0153 A/F SENSOR 1 ............... . 737 Component Description ....................................... ..737 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..737 On Board Diagnosis Logic ................................... ..737 DTC Confirmation Procedure .............................. ..737 Wiring Diagram .................................................... ..739 Diagnosis Procedure ............................................ . 742 Removal and Installation ...................................... . 745 DTC P0137, P0157 HO2S2 ............................ ..746 Component Description ....................................... . 746 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 746 On Board Diagnosis Logic ................................... . 746 DTC Confirmation Procedure ............................... . 746 Overall Function Check ........................................ . 747 Wiring Diagram .................................................... . 748 Diagnosis Procedure ............................................ . 751 Component Inspection ......................................... . 753 Removal and Installation ...................................... . 754 DTC P0138, P0158 HO2S2 ............................ ..755 Component Description ....................................... . 755 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 755 On Board Diagnosis Logic ................................... . 755 DTC Confirmation Procedure ............................... . 756 Overall Function Check ........................................ . 757 Wiring Diagram .................................................... . 758 Diagnosis Procedure ............................................ . 761 Component Inspection ......................................... . 765 Removal and Installation ...................................... . 766 DTC P0139, P0159 HO2S2 ............................ ..767 Component Description ....................................... . 767 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 767 On Board Diagnosis Logic ................................... . 767 DTC Confirmation Procedure ............................... . 767 Overall Function Check ........................................ . 768 Wiring Diagram .................................................... . 769 Diagnosis Procedure ............................................ . 772 Component Inspection ......................................... . 774 Removal and Installation ...................................... . 775 DTC P0171, P0174 FUEL INJECTION SYS- TEM FUNCTION ............................................. ..776 On Board Diagnosis Logic ................................... . 776 DTC Confirmation Procedure ............................... . 776 Wiring Diagram .................................................... . 778 Diagnosis Procedure ............................................ . 781 DTC P0172, P0175 FUEL INJECTION SYS- TEM FUNCTION ............................................. ..785 On Board Diagnosis Logic ................................... . 785 DTC Confirmation Procedure ............................... . 785 Wiring Diagram .................................................... . 787 Diagnosis Procedure ............................................ . 790 DTC P0181 FTT SENSOR .............................. ..793 Component Description ....................................... . 793 On Board Diagnosis Logic ................................... . 793 DTC Confirmation Procedure ............................... . 793 Wiring Diagram .................................................... . 794 Diagnosis Procedure ............................................ . 794 Component Inspection ......................................... https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 11. EC-11 C D E F G H I J K L M EC A N O P Removal and Installation ..................................... .. 796 DTC P0182, P0183 FTT SENSOR ................. ..797 Component Description ....................................... .. 797 On Board Diagnosis Logic .................................. .. 797 DTC Confirmation Procedure .............................. .. 797 Wiring Diagram ................................................... .. 798 Diagnosis Procedure ........................................... .. 798 Component Inspection ........................................ .. 800 Removal and Installation ..................................... .. 800 DTC P0222, P0223 TP SENSOR ................... ..801 Component Description ....................................... .. 801 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 801 On Board Diagnosis Logic .................................. .. 801 DTC Confirmation Procedure .............................. .. 801 Wiring Diagram ................................................... .. 802 Diagnosis Procedure ........................................... .. 803 Component Inspection ........................................ .. 805 Removal and Installation ..................................... .. 805 DTC P0300 - P0304 MULTIPLE CYLINDER MISFIRE, NO. 1 - 4 CYLINDER MISFIRE ...... ..806 On Board Diagnosis Logic .................................. .. 806 DTC Confirmation Procedure .............................. .. 806 Diagnosis Procedure ........................................... .. 807 DTC P0327, P0328 KS ................................... ..812 Component Description ....................................... .. 812 On Board Diagnosis Logic .................................. .. 812 DTC Confirmation Procedure .............................. .. 812 Wiring Diagram ................................................... .. 813 Diagnosis Procedure ........................................... .. 814 Component Inspection ........................................ .. 815 Removal and Installation ..................................... .. 815 DTC P0335 CKP SENSOR (POS) ................. ..816 Component Description ....................................... .. 816 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 816 On Board Diagnosis Logic .................................. .. 816 DTC Confirmation Procedure .............................. .. 816 Wiring Diagram ................................................... .. 817 Diagnosis Procedure ........................................... .. 818 Component Inspection ........................................ .. 821 Removal and Installation ..................................... .. 821 DTC P0340 CMP SENSOR (PHASE) ............ ..822 Component Description ....................................... .. 822 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 822 On Board Diagnosis Logic .................................. .. 822 DTC Confirmation Procedure .............................. .. 822 Wiring Diagram ................................................... .. 823 Diagnosis Procedure ........................................... .. 824 Component Inspection ........................................ .. 826 Removal and Installation ..................................... .. 827 DTC P0420, P0430 THREE WAY CATALYST FUNCTION ...................................................... 828 On Board Diagnosis Logic ................................... ..828 DTC Confirmation Procedure .............................. ..828 Overall Function Check ....................................... ..829 Diagnosis Procedure ........................................... ..829 DTC P0441 EVAP CONTROL SYSTEM ......... 832 System Description .............................................. ..832 On Board Diagnosis Logic ................................... ..832 DTC Confirmation Procedure .............................. ..832 Overall Function Check ....................................... ..833 Diagnosis Procedure ........................................... ..833 DTC P0442 EVAP CONTROL SYSTEM ......... 837 On Board Diagnosis Logic ................................... ..837 DTC Confirmation Procedure .............................. ..837 Diagnosis Procedure ........................................... ..838 DTC P0443 EVAP CANISTER PURGE VOL- UME CONTROL SOLENOID VALVE ............. 844 Description ........................................................... ..844 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..844 On Board Diagnosis Logic ................................... ..845 DTC Confirmation Procedure .............................. ..845 Wiring Diagram .................................................... ..846 Diagnosis Procedure ........................................... ..847 Component Inspection ......................................... ..850 Removal and Installation ..................................... ..850 DTC P0444, P0445 EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE ...... 851 Description ........................................................... ..851 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..851 On Board Diagnosis Logic ................................... ..852 DTC Confirmation Procedure .............................. ..852 Wiring Diagram .................................................... ..853 Diagnosis Procedure ........................................... ..854 Component Inspection ......................................... ..856 Removal and Installation ..................................... ..856 DTC P0447 EVAP CANISTER VENT CON- TROL VALVE .................................................. 857 Component Description ....................................... ..857 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..857 On Board Diagnosis Logic ................................... ..857 DTC Confirmation Procedure .............................. ..857 Wiring Diagram .................................................... ..858 Diagnosis Procedure ........................................... ..859 Component Inspection ......................................... ..860 DTC P0448 EVAP CANISTER VENT CON- TROL VALVE .................................................. 862 Component Description ....................................... ..862 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..862 On Board Diagnosis Logic ................................... ..862 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 12. EC-12 DTC Confirmation Procedure .............................. ..862 Wiring Diagram .................................................... ..864 Diagnosis Procedure ........................................... ..865 Component Inspection ......................................... ..866 DTC P0451 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... . 868 Component Description ....................................... ..868 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..868 On Board Diagnosis Logic ................................... ..868 DTC Confirmation Procedure .............................. ..868 Diagnosis Procedure ........................................... ..869 Component Inspection ......................................... ..870 DTC P0452 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... . 871 Component Description ....................................... ..871 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..871 On Board Diagnosis Logic ................................... ..871 DTC Confirmation Procedure .............................. ..871 Wiring Diagram .................................................... ..873 Diagnosis Procedure ........................................... ..874 Component Inspection ......................................... ..877 DTC P0453 EVAP CONTROL SYSTEM PRESSURE SENSOR .................................... . 878 Component Description ....................................... ..878 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..878 On Board Diagnosis Logic ................................... ..878 DTC Confirmation Procedure .............................. ..878 Wiring Diagram .................................................... ..880 Diagnosis Procedure ........................................... ..881 Component Inspection ......................................... ..885 DTC P0455 EVAP CONTROL SYSTEM ........ . 886 On Board Diagnosis Logic ................................... ..886 DTC Confirmation Procedure .............................. ..886 Diagnosis Procedure ........................................... ..887 DTC P0456 EVAP CONTROL SYSTEM ........ . 892 On Board Diagnosis Logic ................................... ..892 DTC Confirmation Procedure .............................. ..893 Overall Function Check ....................................... ..893 Diagnosis Procedure ........................................... ..894 DTC P0460 FUEL LEVEL SENSOR .............. . 899 Component Description ....................................... ..899 On Board Diagnosis Logic ................................... ..899 DTC Confirmation Procedure .............................. ..899 Diagnosis Procedure ........................................... ..899 Removal and Installation ..................................... ..900 DTC P0461 FUEL LEVEL SENSOR .............. . 901 Component Description ....................................... ..901 On Board Diagnosis Logic ................................... ..901 Overall Function Check ....................................... ..901 Diagnosis Procedure ........................................... ..902 Removal and Installation ...................................... . 902 DTC P0462, P0463 FUEL LEVEL SENSOR .. ..903 Component Description ....................................... . 903 On Board Diagnosis Logic ................................... . 903 DTC Confirmation Procedure ............................... . 903 Diagnosis Procedure ............................................ . 903 Removal and Installation ...................................... . 904 DTC P0500 VSS ............................................. ..905 Description ........................................................... . 905 On Board Diagnosis Logic ................................... . 905 DTC Confirmation Procedure ............................... . 905 Overall Function Check ........................................ . 906 Diagnosis Procedure ............................................ . 906 DTC P0506 ISC SYSTEM ............................... ..907 Description ........................................................... . 907 On Board Diagnosis Logic ................................... . 907 DTC Confirmation Procedure ............................... . 907 Diagnosis Procedure ............................................ . 907 DTC P0507 ISC SYSTEM ............................... ..909 Description ........................................................... . 909 On Board Diagnosis Logic ................................... . 909 DTC Confirmation Procedure ............................... . 909 Diagnosis Procedure ............................................ . 909 DTC P0603 ECM POWER SUPPLY .............. ..911 Component Description ....................................... . 911 On Board Diagnosis Logic ................................... . 911 DTC Confirmation Procedure ............................... . 911 Wiring Diagram .................................................... . 912 Diagnosis Procedure ............................................ . 913 DTC P0605 ECM ............................................ ..915 Component Description ....................................... . 915 On Board Diagnosis Logic ................................... . 915 DTC Confirmation Procedure ............................... . 915 Diagnosis Procedure ............................................ . 916 DTC P0643 SENSOR POWER SUPPLY ....... ..917 On Board Diagnosis Logic ................................... . 917 DTC Confirmation Procedure ............................... . 917 Wiring Diagram .................................................... . 918 Diagnosis Procedure ............................................ . 919 DTC P0850 PNP SWITCH .............................. ..922 Component Description ....................................... . 922 CONSULT-III Reference Value in Data Monitor Mode .................................................................... . 922 On Board Diagnosis Logic ................................... . 922 DTC Confirmation Procedure ............................... . 922 Overall Function Check ........................................ . 923 Wiring Diagram .................................................... . 924 Diagnosis Procedure ............................................ . 925 DTC P1148, P1168 CLOSED LOOP CON- TROL .............................................................. ..928 On Board Diagnosis Logic ................................... . 928 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 13. EC-13 C D E F G H I J K L M EC A N O P DTC P1217 ENGINE OVER TEMPERATURE..929 System Description ............................................. .. 929 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 930 On Board Diagnosis Logic .................................. .. 930 Overall Function Check ....................................... .. 930 Wiring Diagram ................................................... .. 932 Diagnosis Procedure ........................................... .. 934 Main 12 Causes of Overheating .......................... .. 939 Component Inspection ........................................ .. 939 DTC P1225 TP SENSOR ............................... ..941 Component Description ....................................... .. 941 On Board Diagnosis Logic .................................. .. 941 DTC Confirmation Procedure .............................. .. 941 Diagnosis Procedure ........................................... .. 941 Removal and Installation ..................................... .. 942 DTC P1226 TP SENSOR ............................... ..943 Component Description ....................................... .. 943 On Board Diagnosis Logic .................................. .. 943 DTC Confirmation Procedure .............................. .. 943 Diagnosis Procedure ........................................... .. 943 Removal and Installation ..................................... .. 944 DTC P1421 COLD START CONTROL .......... ..945 Description .......................................................... .. 945 On Board Diagnosis Logic .................................. .. 945 DTC Confirmation Procedure .............................. .. 945 Diagnosis Procedure ........................................... .. 945 DTC P1564 ASCD STEERING SWITCH ....... ..947 Component Description ....................................... .. 947 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 947 On Board Diagnosis Logic .................................. .. 947 DTC Confirmation Procedure .............................. .. 947 Wiring Diagram ................................................... .. 949 Diagnosis Procedure ........................................... .. 950 Component Inspection ........................................ .. 952 DTC P1572 ASCD BRAKE SWITCH ............. ..953 Component Description ....................................... .. 953 CONSULT-III Reference Value in Data Monitor Mode ................................................................... .. 953 On Board Diagnosis Logic .................................. .. 953 DTC Confirmation Procedure .............................. .. 954 Wiring Diagram ................................................... .. 955 Diagnosis Procedure ........................................... .. 956 Component Inspection ........................................ .. 960 DTC P1574 ASCD VEHICLE SPEED SEN- SOR ................................................................ ..962 Component Description ....................................... .. 962 On Board Diagnosis Logic .................................. .. 962 DTC Confirmation Procedure .............................. .. 962 Diagnosis Procedure ........................................... .. 962 DTC P1715 INPUT SPEED SENSOR (PRIMA- RY SPEED SENSOR) .................................... ..964 Description ........................................................... ..964 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..964 On Board Diagnosis Logic ................................... ..964 DTC Confirmation Procedure .............................. ..964 Diagnosis Procedure ........................................... ..964 DTC P1805 BRAKE SWITCH ......................... 966 Description ........................................................... ..966 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..966 On Board Diagnosis Logic ................................... ..966 DTC Confirmation Procedure .............................. ..966 Wiring Diagram .................................................... ..967 Diagnosis Procedure ........................................... ..968 Component Inspection ......................................... ..969 DTC P2100, P2103 THROTTLE CONTROL MOTOR RELAY .............................................. 970 Component Description ....................................... ..970 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..970 On Board Diagnosis Logic ................................... ..970 DTC Confirmation Procedure .............................. ..970 Wiring Diagram .................................................... ..971 Diagnosis Procedure ........................................... ..972 DTC P2101 ELECTRIC THROTTLE CON- TROL FUNCTION ........................................... 974 Description ........................................................... ..974 On Board Diagnosis Logic ................................... ..974 DTC Confirmation Procedure .............................. ..974 Wiring Diagram .................................................... ..975 Diagnosis Procedure ........................................... ..976 Component Inspection ......................................... ..979 Removal and Installation ..................................... ..979 DTC P2118 THROTTLE CONTROL MOTOR . 980 Component Description ....................................... ..980 On Board Diagnosis Logic ................................... ..980 DTC Confirmation Procedure .............................. ..980 Wiring Diagram .................................................... ..981 Diagnosis Procedure ........................................... ..982 Component Inspection ......................................... ..983 Removal and Installation ..................................... ..983 DTC P2119 ELECTRIC THROTTLE CON- TROL ACTUATOR .......................................... 985 Component Description ....................................... ..985 On Board Diagnosis Logic ................................... ..985 DTC Confirmation Procedure .............................. ..985 Diagnosis Procedure ........................................... ..986 DTC P2122, P2123 APP SENSOR ................. 987 Component Description ....................................... ..987 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..987 On Board Diagnosis Logic ................................... ..987 DTC Confirmation Procedure .............................. ..987 Wiring Diagram .................................................... ..988 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 14. EC-14 Diagnosis Procedure ........................................... ..989 Component Inspection ......................................... ..991 Removal and Installation ..................................... ..991 DTC P2127, P2128 APP SENSOR ................. . 992 Component Description ....................................... ..992 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..992 On Board Diagnosis Logic ................................... ..992 DTC Confirmation Procedure .............................. ..993 Wiring Diagram .................................................... ..994 Diagnosis Procedure ........................................... ..995 Component Inspection ......................................... ..997 Removal and Installation ..................................... ..998 DTC P2135 TP SENSOR ................................ . 999 Component Description ....................................... ..999 CONSULT-III Reference Value in Data Monitor Mode .................................................................... ..999 On Board Diagnosis Logic ................................... ..999 DTC Confirmation Procedure .............................. ..999 Wiring Diagram ....................................................1000 Diagnosis Procedure ...........................................1001 Component Inspection .........................................1003 Removal and Installation .....................................1003 DTC P2138 APP SENSOR .............................1004 Component Description .......................................1004 CONSULT-III Reference Value in Data Monitor Mode ....................................................................1004 On Board Diagnosis Logic ...................................1004 DTC Confirmation Procedure ..............................1005 Wiring Diagram ....................................................1006 Diagnosis Procedure ...........................................1007 Component Inspection .........................................1010 Removal and Installation .....................................1010 DTC P2A00, P2A03 A/F SENSOR 1 ..............1011 Component Description .......................................1011 CONSULT-III Reference Value in Data Monitor Mode ....................................................................1011 On Board Diagnosis Logic ...................................1011 DTC Confirmation Procedure ..............................1011 Wiring Diagram ....................................................1013 Diagnosis Procedure ...........................................1016 Removal and Installation .....................................1019 ASCD BRAKE SWITCH .................................1020 Component Description .......................................1020 CONSULT-III Reference Value in Data Monitor Mode ....................................................................1020 Wiring Diagram ....................................................1021 Diagnosis Procedure ...........................................1022 Component Inspection .........................................1026 ASCD INDICATOR .........................................1028 Component Description .......................................1028 CONSULT-III Reference Value in Data Monitor Mode .................................................................... 1028 Wiring Diagram .................................................... 1029 Diagnosis Procedure ............................................ 1029 ELECTRICAL LOAD SIGNAL ........................1031 CONSULT-III Reference Value in Data Monitor Mode .................................................................... 1031 Diagnosis Procedure ............................................ 1031 FUEL INJECTOR ............................................1033 Component Description ....................................... 1033 CONSULT-III Reference Value in Data Monitor Mode .................................................................... 1033 Wiring Diagram .................................................... 1034 Diagnosis Procedure ............................................ 1035 Component Inspection ......................................... 1037 Removal and Installation ...................................... 1037 FUEL PUMP ...................................................1038 Description ........................................................... 1038 CONSULT-III Reference Value in Data Monitor Mode .................................................................... 1038 Wiring Diagram .................................................... 1039 Diagnosis Procedure ............................................ 1040 Component Inspection ......................................... 1042 Removal and Installation ...................................... 1042 IGNITION SIGNAL ..........................................1043 Component Description ....................................... 1043 Wiring Diagram .................................................... 1044 Diagnosis Procedure ............................................ 1047 Component Inspection ......................................... 1050 Removal and Installation ...................................... 1051 REFRIGERANT PRESSURE SENSOR .........1052 Component Description ....................................... 1052 Wiring Diagram .................................................... 1053 Diagnosis Procedure ............................................ 1054 Removal and Installation ...................................... 1056 MIL AND DATA LINK CONNECTOR .............1057 Wiring Diagram .................................................... 1057 SERVICE DATA AND SPECIFICATIONS (SDS) ..............................................................1059 Fuel Pressure ....................................................... 1059 Idle Speed and Ignition Timing ............................ 1059 Calculated Load Value ......................................... 1059 Mass Air Flow Sensor .......................................... 1059 Intake Air Temperature Sensor ............................ 1059 Engine Coolant Temperature Sensor .................. 1059 Air Fuel Ratio (A/F) Sensor 1 Heater ................... 1059 Heated Oxygen sensor 2 Heater ......................... 1060 Crankshaft Position Sensor (POS) ...................... 1060 Camshaft Position Sensor (PHASE) .................... 1060 Throttle Control Motor .......................................... 1060 Fuel Injector ......................................................... 1060 Fuel Pump ............................................................ 1060 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 15. INDEX FOR DTC EC-15 < SERVICE INFORMATION > [MR] C D E F G H I J K L M A EC N P O SERVICE INFORMATION INDEX FOR DTC U1000-U1010 INFOID:0000000001849716 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. *4: The troubleshooting for this DTC needs CONSULT-III. P0011-P0075 INFOID:0000000001903473 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0101-P0128 INFOID:0000000001903472 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 U1000 1000*4 CAN COMM CIRCUIT EC-142 U1001 1001*4 CAN COMM CIRCUIT EC-142 U1010 1010 CONTROL UNIT(CAN) EC-144 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0011 0011 INT/V TIM CONT-B1 EC-145 P0031 0031 A/F SEN1 HTR (B1) EC-149 P0032 0032 A/F SEN1 HTR (B1) EC-149 P0037 0037 HO2S2 HTR (B1) EC-154 P0038 0038 HO2S2 HTR (B1) EC-154 P0075 0075 INT/V TIM V/CIR-B1 EC-160 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0101 0101 MAF SEN/CIRCUIT-B1 EC-165 P0102 0102 MAF SEN/CIRCUIT-B1 EC-173 P0103 0103 MAF SEN/CIRCUIT-B1 EC-173 P0112 0112 IAT SEN/CIRCUIT-B1 EC-180 P0113 0113 IAT SEN/CIRCUIT-B1 EC-180 P0117 0117 ECT SEN/CIRC EC-184 P0118 0118 ECT SEN/CIRC EC-184 P0122 0122 TP SEN 2/CIRC-B1 EC-189 P0123 0123 TP SEN 2/CIRC-B1 EC-189 P0125 0125 ECT SENSOR EC-194 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 16. EC-16 < SERVICE INFORMATION > [MR] INDEX FOR DTC *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0130-P0223 INFOID:0000000001903471 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0300-P0420 INFOID:0000000001903470 P0127 0127 IAT SENSOR-B1 EC-197 P0128 0128 THERMSTAT FNCTN EC-200 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0130 0130 A/F SENSOR1 (B1) EC-202 P0131 0131 A/F SENSOR1 (B1) EC-208 P0132 0132 A/F SENSOR1 (B1) EC-214 P0133 0133 A/F SENSOR1 (B1) EC-220 P0137 0137 HO2S2 (B1) EC-227 P0138 0138 HO2S2 (B1) EC-234 P0139 0139 HO2S2 (B1) EC-243 P0171 0171 FUEL SYS-LEAN-B1 EC-250 P0172 0172 FUEL SYS-RICH-B1 EC-256 P0181 0181 FTT SENSOR EC-262 P0182 0182 FTT SEN/CIRCUIT EC-266 P0183 0183 FTT SEN/CIRCUIT EC-266 P0222 0222 TP SEN 1/CIRC-B1 EC-270 P0223 0223 TP SEN 1/CIRC-B1 EC-270 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0300 0300 MULTI CYL MISFIRE EC-275 P0301 0301 CYL 1 MISFIRE EC-275 P0302 0302 CYL 2 MISFIRE EC-275 P0303 0303 CYL 3 MISFIRE EC-275 P0304 0304 CYL 4 MISFIRE EC-275 P0327 0327 KNOCK SEN/CIRC-B1 EC-281 P0328 0328 KNOCK SEN/CIRC-B1 EC-281 P0335 0335 CKP SEN/CIRCUIT EC-285 P0340 0340 CMP SEN/CIRC-B1 EC-291 P0420 0420 TW CATALYST SYS-B1 EC-297 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra
  • 17. INDEX FOR DTC EC-17 < SERVICE INFORMATION > [MR] C D E F G H I J K L M A EC N P O *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0441-P0463 INFOID:0000000001903469 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. P0500-P0643 INFOID:0000000001903468 *1: 1st trip DTC No. is the same as DTC No. *2: This number is prescribed by SAE J2012. *3: In Diagnostic Test Mode II (Self-diagnostic results), this number is controlled by NISSAN. *4: When the fail-safe operations for both self-diagnoses (P0500 and P0720) occur, the MIL illuminates. DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0441 0441 EVAP PURG FLOW/MON EC-301 P0442 0442 EVAP SMALL LEAK EC-306 P0443 0443 PURG VOLUME CONT/V EC-313 P0444 0444 PURG VOLUME CONT/V EC-320 P0445 0445 PURG VOLUME CONT/V EC-320 P0447 0447 VENT CONTROL VALVE EC-326 P0448 0448 VENT CONTROL VALVE EC-332 P0451 0451 EVAP SYS PRES SEN EC-338 P0452 0452 EVAP SYS PRES SEN EC-341 P0453 0453 EVAP SYS PRES SEN EC-348 P0455 0455 EVAP GROSS LEAK EC-356 P0456 0456 EVAP VERY SML LEAK EC-362 P0460 0460 FUEL LEV SEN SLOSH EC-369 P0461 0461 FUEL LEVEL SENSOR EC-371 P0462 0462 FUEL LEVL SEN/CIRC EC-373 P0463 0463 FUEL LEVL SEN/CIRC EC-373 DTC*1 Items (CONSULT-III screen terms) Reference page CONSULT-III GST*2 ECM*3 P0500 0500 VEH SPEED SEN/CIRC*4 EC-375 P0506 0506 ISC SYSTEM EC-377 P0507 0507 ISC SYSTEM EC-379 P0605 0605 ECM EC-381 P0643 0643 SENSOR POWER/CIRC EC-383 https://www.automotive-manuals.net/ Revision: July 2007 2008 Sentra