Lexus GS II (1997-2000) engine room relay block 1 Wiring diagrams

1 7 8 9 10 16 BATT +BM 5 6 23 26 TC STP CCS EC 7 8 9 21 30 31 M- M+ A/T INDICATOR LIGHT SWITCH ACCEL POSITION SENSOR (TOP CENTER OF ENGINE) BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAIDED BRN WIRE CL- COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH CRUISE IND DRIVER SIDE J/B DRIVER SIDE JUNCTION BLOCK EFI RELAY ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM RELAY BLOCK 1 EOM STI- ETCS FUSE EFI FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE IGSW MREL +B J/C 1 (IN ECU BOX) J/C 11 (LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 17 (BEHIND RIGHT SIDE OF DASH) J/C 2 (IN ECU BOX) J/C 3 (IN ECU BOX) J/C 5 (IN ENGINE ROOM RELAY BLOCK 2) J/C 7 (BEHIND LEFT KICK PANEL) J/C 9 (BEHIND LEFT SIDE OF DASH) LEFT FRONT STRUT TOWER) MAIN ORG/ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RES+ SET/ COAST STOP FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE CONTROL MOTOR (ON THROTTLE BODY) (LEFT CYLINDER HEAD) THROTTLE POSITION SENSOR (ON THROTTLE BODY) VC CL- VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 11 IG GND 1 5 19 GSWO KSW 1 8 IG BECU 14 15 CTYE CTY 2 3 9 12 SIG CPUB 3 15 18 19 GSW 4 8 BSUB BECU BDR BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BODY ECU 1 BODY ECU 2 C P U COMBINATION METER COMPUTER DATA LINES D FR DOOR FUSE DBKL GND DRIVER DOOR ECU DRIVER'S SIDE JUNCTION BLOCK ECU-IG FUSE ENGINE ROOM RELAY BLOCK 1 GAUGE FUSE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES PASSENGER SIDE JUNCTION BLOCK P FR DOOR FUSE HOT IN ACC OR RUN HOT IN RUN OR START INSTRUMENT PANEL JUNCTION BLOCK J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND COMBINATION METER) J/C 15 (UPPER LEFT SIDE OF DASH) J/C 17 (UPPER RIGHT END OF DASH) J/C 23 (UNDER DRIVER'S SEAT) J/C 6 (LEFT KICK PANEL) J/C 7 (LEFT KICK PANEL) J/C 9 LEFT BUCKLE SWITCH LEFT FRONT DOOR COURTESY SWITCH MPX-B FUSE ORG/ WIRE PASSENGER SIDE SEAT BELT WARNING LIGHT (IN CLOCK) PBKL RADIO 2 FUSE RED/BLU WIRE RED/GRN WIRE RIGHT BUCKLE SWITCH SEAT BELT IND SEAT BELT WARNING OCCUPANT DETECTION SENSOR UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE

ACCEL POSITION SENSOR (REAR LEFT SIDE OF ENGINE) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAIDED BRAIDED BRN WIRE DRIVER SIDE JUNCTION BLOCK STARTER FUSE EFI FUSE EFI RELAY ENGINE COOLANT TEMPERATURE SENSOR (TOP LEFT FRONT OF ENGINE) ENGINE ROOM RELAY BLOCK 1 FP- FPC FUEL PUMP (IN FUEL TANK) FUEL PUMP CONTROL ECU (LEFT SIDE OF LUGGAGE COMPARTMENT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE HOT AT ALL TIMES IGN FUSE IGNITION SWITCH J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 15 (BEHIND LEFT SIDE OF DASH) J/C 2 (BEHIND RIGHT SIDE OF DASH) J/C 20 (LEFT QUARTER PANEL) J/C 3 (LEFT SIDE OF DASH) J/C 4 J/C 5 (IN ENGINE ROOM RELAY BLOCK 2) LOCK ON P/N PARK/NEUTRAL POSITION SWITCH (ON TRANSAXLE) RED WIRE RED/YEL WIRE STARTING/ CHARGING SYSTEM THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

13 14 15 16 20 21 22 PNK WIRE 13 14 15 17 SLU- SLN- SLT- OIL 18 21 23 26 PTNK PRE CCS 2 5 6 7 8 10 STA TC STP 4 9 10 EOM KSW TPC IMLD TXCT RXCK CODE ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) AIR CONDITIONING SYSTEM CRUISE CONTROL SYSTEM AIR CONDITIONING SYSTEM CRUISE CONTROL SYSTEM AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM (SECURITY INDICATOR) BATT DI FPC 4 5 6 7 8 9 10 BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED 19 20 BRN WIRE CODE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENG ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM RELAY BLOCK 1 GRD GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES ETCS FUSE IGSW MREL SIL TRC+ ENG+ NEO +B TRC- ENG_ EC J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 2 (IN ECU BOX) J/C 6 (LEFT KICK PANEL) J/C 9 (BEHIND LEFT SIDE OF DASH) LT GRN WIRE LT GRN/RED WIRE NCO NEO ORG/ WIRE PASSENGER SIDE JUNCTION BLOCK PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RXCK SIL SLU+ SLN+ SLT+ NCO- PNK WIRE TAM STI- ACMG TRANSPONDER KEY AMPLIFIER (BEHIND LEFT SIDE OF DASH) TRC+ TXCT UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VEHICLE SPEED SENSOR (ON TRANSMISSION) VIO WIRE VIO/YEL WIRE VSV (VAPOR PRESSURE SENSOR) (UNDER LEFT REAR OF VEHICLE) WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

ACCEL POSITION SENSOR (TOP CENTER OF ENGINE) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED BRN WIRE DRIVER SIDE JUNCTION BLOCK STARTER FUSE EFI FUSE EFI RELAY ENGINE COOLANT TEMPERATURE SENSOR (TOP RIGHT SIDE OF ENGINE) ENGINE ROOM RELAY BLOCK 1 FP- FPC FUEL PUMP (IN FUEL TANK) FUEL PUMP CONTROL ECU (LEFT SIDE OF LUGGAGE COMPARTMENT) GRN/RED WIRE HOT AT ALL TIMES IGN FUSE IGNITION SWITCH J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 15 (BEHIND LEFT SIDE OF DASH) J/C 2 (BEHIND RIGHT SIDE OF DASH) J/C 20 (LEFT QUARTER PANEL) J/C 3 (LEFT SIDE OF DASH) J/C 4 J/C 5 (IN ENGINE ROOM RELAY BLOCK 2) LOCK ON P/N PARK/NEUTRAL POSITION SWITCH (ON TRANSAXLE) RED/BLK WIRE RED/YEL WIRE STARTING/ CHARGING SYSTEM THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE YEL/GRN WIRE