BRZELECTRICAL WIRING DIAGRAM                                                                     Section Code      PageINT...
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F RELAY LOCATIONS[Engine Compartment]                   Fusible Link Block                   Assembly Engine Room R/B     ...
F[Instrument Panel]                        Transponder Key   ID Code Box (*1)          * 1:w/ Smart Entry  Start System   ...
F RELAY LOCATIONS[Body]              Occupant Detection         Tire Pressure Warning ECU and Receiver              Contro...
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F RELAY LOCATIONS 1   : Engine Room R/B                                                            Engine Compartment Righ...
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2012 BRZ wiring service manual

  1. 1. BRZELECTRICAL WIRING DIAGRAM Section Code PageINTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A . . . . 2HOW TO USE THIS MANUAL . . . . . . . . . . . . . . . . . . B . . . . 3TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . C . . . . 12ABBREVIATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D . . . . 17GLOSSARY OF TERMS AND SYMBOLS . . . . . . E . . . . 18RELAY LOCATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . F . . . . 20ELECTRICAL WIRING ROUTING . . . . . . . . . . . . . . G . . . . 38SYSTEM CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . H . . . . 50GROUND POINT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I . . . . 370POWER SOURCE (Current Flow Chart) . . . . . . . J . . . . 378CONNECTOR LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . K . . . . 388 1 BRZ (G4400BE)
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  118. 118. ABBREVIATIONS D ABBREVIATIONS The following abbreviations are used in this manual. A/C = Air Conditioning A/T = Automatic Transmission ABS = Anti-Lock Brake System CAN = Controller Area Network CPU = Central Processing Unit DLC3 = Data Link Connector 3 E.F.I. = Electronic Fuel Injection ECM = Engine Control Module ECU = Electronic Control Unit EDU = Electronic Driving Unit EPS = Electric Motor Power Steering J/B = Junction Block LED = Light Emitting Diode LH = Left-Hand M/T = Manual Transmission R/B = Relay Block RH = Right-Hand SRS = Supplemental Restraint System TRAC = Traction Control VSC = Vehicle Stability Control VSV = Vacuum Switching Valve VVT = Variable Valve Timing w/ = With w/o = Without* The titles given inside the components are the names of the terminals (terminal codes) and are not treated as being abbreviations. 17 BRZ (G4400BE)
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  139. 139. F RELAY LOCATIONS[Engine Compartment] Fusible Link Block Assembly Engine Room R/B VSC (VDC) Engine Room J/B Control Module Injector Driver (EDU)20 BRZ (G4400BE)
  140. 140. F[Instrument Panel] Transponder Key ID Code Box (*1) * 1:w/ Smart Entry Start System Amplifier Transponder Key * 2:w/o Smart Entry Start System ECU Assembly (*2) ECM Transmission Control Module Turn Signal Flasher Certification Assembly ECU Assembly Main Body ECU R/B No. 2 Instrument Panel J/B Assembly Power Steering Steering Lock Airbag Control A/C Amplifier ECU Assembly Actuator Assembly Module Assembly 21 BRZ (G4400BE)
  141. 141. F RELAY LOCATIONS[Body] Occupant Detection Tire Pressure Warning ECU and Receiver Control Module (Door Control and Tire Pressure Monitoring System Receiver Assembly) Stereo Component Fuel Pump Control Amplifier Assembly ECU Assembly22 BRZ (G4400BE)
  142. 142. Memo 23BRZ (G4400BE)
  143. 143. F RELAY LOCATIONS 1 : Engine Room R/B Engine Compartment Right (See Page 20) : Engine Room J/B EFI MAIN1 EFI MAIN3 EFI MAIN2 C/OPEN INHIBITOR Relay Relay Relay Relay Relay HORN ETCS ST CUT DRL 1 2 FAN NO.2 Relay Relay Relay Relay Relay (Engine Room Main Wire) 1E 1 3 2 1 5 3 5 2 5 2 1 2 4 1 1 2 3 5 1 2 5 1 15A 2 1 3 3 A/B MAIN 5 3 2 7.5A 1 2 ST ST Relay 1 2 7.5A 1 2 2 INJ Relay 5 3 ALT-S 3 5 2 7.5A 1 IGS Relay 2 1 7.5A 2 HORN NO.2 1 7.5A 2 1 PUSH-AT 1 3 5 IG2 Relay 5 3 1 7.5A 2 STR LOCK 1 2 HORN NO.1 1 20A 2 3 D/L 2 5 1 5 3 3 4 2 1 15A 2 1 1 15A 2 ETCS 1 2 MIR HTR 1 H-LP LH LO 1 7.5A 2 Relay 5 3 1 15A 2 1 1 AT+B 2 5 3 1 7.5A 2 5 3 2 H-LP RH LO 1 7.5A 2 3 5 2 MIR HTR 2 AM2 NO.2 3 1 5 1 10A 2 1 2 7.5A 1 DOME 1 1 H-LP LH HI 1 15A 2 1 2 ECU-B 5 3 2 7.5A 1 25A 2 2 20A IG2 5 3 1 10A 2 EFI(CTRL) 2 2 H-LP RH HI 1 15A 2 2 RDI EFI(HTR) 3 5 1 15A 2 FAN NO.3 1 2 *5 EFI(IGN) 2 1 Relay 1 7.5A 2 FAN NO.1 1 2 *4 EFI(+B) 3 5 Relay WASHER 2 30A 1 2 10A 1 WIPER 1 15A 2 1 2 *3 HAZ 1 WIPER HEATER H-LP 1 7.5A 2 Relay Relay MPX-B D FR DOOR Relay D FL DOOR ABS NO.2 1 20A 2 1 25A 2 1 25A 2 1 25A 2 1 25A 2 1 25A 2 1 30A 2 RR DEF DIM 1 2 1 2 *2 D-OP F/PMP CDS Relay 1 30A 2 *6 IG2 MAIN 1 2 *1 1 30A 2 DCC 2 1 DELIVERY RR DEF 1D Relay 1C 1A 1 1 1 (Engine Room (Engine Room (Engine Room Main Wire) Main Wire) Main Wire) Wire Color : W Wire Color : W Wire Color : B 1B * 1:50A HEATER (for High Current) * 2:40A ABS NO.1 (for High Current) 1 * 3:40A AM2 NO.1 (for High Current) (Engine Room * 4:30A H-LP WASHER (for High Current) Main Wire) * 5:30A INJ (for High Current) Wire Color : B-R * 6:80A EPS (for High Current)24 BRZ (G4400BE)
  144. 144. F 2 : R/B No. 2 Behind Glove Box (See Page 21)(Automatic A/C) Blower Motor Relay 3 1 2 5(Manual A/C) Blower Motor Relay 3 1 4 2 5 25 BRZ (G4400BE)
  145. 145. F RELAY LOCATIONS : Instrument Panel J/B Assembly Instrument Panel Reinforcement (See Page 21) 1 2 3 45 6 7 8 91011121314151617181920 21222324252627282930 3132 Main Body ECU View A View B View C26 BRZ (G4400BE)
  146. 146. F View A 12 27 36 26 35 36 27 11 25 34 12 35 26 10 24 33 34 25 11 23 32 33 24 9 22 31 10 32 23 8 21 30 31 22 9 20 29 30 21 7 19 28 3D 8 29 20 28 19 7 6 18 5 17 18 6 4 16 17 5 16 4 3 15 15 3 2 14 14 2 1 13 13 1(from Instrument Panel Wire) 40 25 10 39 24 10 25 40 38 23 9 24 39 9 23 38 37 22 8 36 21 8 22 37 35 20 7 21 36 7 20 35 34 19 6 3C 33 18 6 19 34 5 18 33 32 17 5 17 32 31 16 4 30 15 4 16 31 29 14 3 15 30 28 13 2 3 14 29 27 12 2 13 28 26 11 1 12 27 1 11 26(from Engine Room Main Wire) 3E 1 1(from Engine Room Main Wire) 27 BRZ (G4400BE)
  147. 147. F RELAY LOCATIONS : Instrument Panel J/B Assembly Instrument Panel Reinforcement (See Page 21) View B 1 11 26 26 11 1 12 27 27 12 2 13 28 13 2 28 29 14 3 3 14 29 15 30 30 15 4 16 31 16 4 31 3B 5 17 32 32 17 5 18 33 33 18 6 19 34 6 34 19 7 20 35 35 20 7 21 36 36 21 8 22 37 37 22 8 9 23 38 38 23 9 24 39 39 24 10 25 40 40 25 10 (from Instrument Panel Wire) 1 15 36 16 37 2 17 38 36 15 1 3 18 39 37 16 19 40 38 17 2 4 20 41 39 18 3 5 21 42 40 19 22 43 41 20 4 6 23 44 42 21 5 43 22 44 23 6 7 24 45 25 46 3A 8 26 47 45 24 7 46 25 47 26 8 9 27 48 28 49 10 29 50 48 27 9 11 30 51 49 28 31 52 50 29 10 12 32 53 51 30 11 13 33 54 52 31 34 55 53 32 12 14 35 56 54 33 13 55 34 56 35 14 (from Instrument Panel Wire)28 BRZ (G4400BE)
  148. 148. View C 1 2 15A P/POINT NO.1 1 2 1 2 7.5A 7.5A OBD RADIO 1 2 2 1 7.5A 10A AM1 SEAT HTR RH 1 2 10A SEAT HTR LH 1 2 1 2 7.5A 10A STOP ECU IG2 1 2 7.5A GAUGE 1 15A 2 AT UNIT 2 1 10A ECU IG1 1 2 2 1 10A 7.5A DRL BK/UP LP 2 1 10ABRZ (G4400BE) FR FOG RH 1 2 2 1 10A 10A TAIL FR FOG LH 1 2 2 1 10A 10A PANEL HEATER 1 2 2 1 15A 7.5A P/POINT NO.2 HEATER-S 1 2 10A ECU ACC 1 2 15A ANP F 29
  149. 149. F RELAY LOCATIONS[Instrument Panel J/B Assembly Inner Circuit] 1 3E 43 3A 45 3A 24 3C 7 3A 23 3A 1 2 42 3A 14 3A 7.5A AM1 24 3A 38 3A 8 3D 46 3A 12 3D 1 2 44 3A 5 3B 15A ANP 25 3A 48 3A FR FOG Relay 26 3A 1 2 5 3C 4 3A 10A FR FOG RH 21 3A 1 2 3 3C 20 3C 10A FR FOG LH 26 3C 32 3C 13 3C 1 3D 12 3C 34 3D 21 3B 6 3A TAIL Relay 24 3D 22 3A 1 2 33 3D 16 3C 10A TAIL 31 3C 1 2 31 3B 18 3D 10A PANEL 36 3A 30 3D 22 3D 19 3C 50 3A 26 3B 17 3B 19 3D 7 3D 17 3C 49 3A 29 3A 30 3C (Cont. Next Page)30 BRZ (G4400BE)
  150. 150. F (Contd)39 3B23 3D28 3D7 3C10 3D9 3D 15 3D 14 3D 3 3B6 3C 2 3B A DR LOCK/SET Relay 11 3D D DR UNLOCK Relay 4 3D 1 3D P DR UNLOCK Relay 3 3D 2 3D DL UNSET Relay 6 3B BK/DR Relay (Cont. Next Page) 31 BRZ (G4400BE)

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