Lexus GS II (1997-2000) engine control module (left side of engine compt, in ecu box) 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

10 20 PRG MOPS AIR CONDITIONING SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED BRN WIRE CAMSHAFT POSITION SENSOR (TOP CENTER REAR OF ENGINE) CANADA CRANKSHAFT POSITION SENSOR (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN ECU BOX) EVG 3 2 THA VTA GENERATOR GRD GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE IGF IGF RL IGNITER (ON LEFT FRONT SHOCK TOWER) IGNITION COIL 1 IGNITION COIL 2 IGNITION COIL 3 IGT INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR 5 INJECTOR 6) INSTRUMENT CLUSTER SYSTEM (TACHOMETER) J/C 2 (IN ECU BOX) KNOCK SENSOR 1 (LEFT FRONT OF ENGINE) KNOCK SENSOR 2 (LEFT SIDE OF ENGINE) LCKI BRAIDED MASS AIRFLOW METER (IN AIR INTAKE DUCT) NE- NE+ NOISE FILTER (TOP LEFT FRONT OF ENGINE) OIL LEVEL OIL PRESSURE SWITCH (LEFT FRONT SIDE OF ENGINE) OIL TEMP + PNK/BLU WIRE POWER STEERING OIL PRESSURE SWITCH (LEFT REAR OF ENGINE COMPT) PS OCV- OCV+ CL- CL+ RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE TAC THA THROTTLE CONTROL MOTOR (ON THROTTLE BODY) THW VPA VSV (ACIS) (LEFT REAR SIDE OF ENGINE) VSV (EVAP) (TOP REAR OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/RED 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

ACIS BRAIDED BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED BRAIDED BRAIDED J/C 2 (IN ECU BOX) BRN WIRE CAMSHAFT POSITION SENSOR (LEFT FRONT OF ENGINE) CRANKSHAFT POSITION SENSOR (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN ECU BOX) EVG GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE IGNITION COIL, IGNITER 1 IGNITION COIL, IGNITER 2 IGNITION COIL, IGNITER 3 IGNITION COIL, IGNITER 4 IGNITION COIL, IGNITER 5 IGNITION COIL, IGNITER 6 IGNITION COIL, IGNITER 7 IGNITION COIL, IGNITER 8 INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR 5 INJECTOR 6) INJECTOR 7 (-) INJECTOR 8 (-) J/C 2 (IN ECU BOX) KNKR KNKL OCV- OCV+ KNOCK SENSOR 1 (TOP CENTER OF ENGINE) KNOCK SENSOR 2 (TOP CENTER OF ENGINE) LEFT CAMSHAFT TIMING OIL CONTROL VALVE (TOP LEFT SIDE OF ENGINE) LEFT VVT SENSOR (TOP LEFT SIDE OF ENGINE) MASS AIRFLOW METER (IN AIR INTAKE DUCT) NE- NE+ NOISE FILTER (TOP LEFT REAR OF ENGINE) RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT VVT SENSOR (TOP RIGHT SIDE OF ENGINE) THA THROTTLE CONTROL MOTOR (ON THROTTLE BODY) VC HTR HTL 10 20 PRG CL- VPA THA VVR- VVL- VSV (ACIS) (TOP RIGHT REAR OF ENGINE) VSV (EVAP) (TOP REAR OF ENGINE) VTA THW VVR+ VVL+ WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

+BM 1 3 BATT MOPS DI FPC 13 14 16 20 21 22 PNK WIRE 2 3 TC STP 4 RL A/T SHIFT MAIN SWITCH ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) AIR CONDITIONING SYSTEM 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 BRN WIRE CL+ SLU- SLN- SLT- OIL 13 14 15 17 CODE CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM 14 15 16 17 18 19 20 21 22 23 24 25 26 STI- SFTD ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENG ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM RELAY BLOCK 1 ETCS FUSE GENERATOR 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 IGSW MREL SIL TRC+ ENG+ +B TRC- ENG- NEO J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 10 (LEFT SIDE OF DASH) J/C 2 (IN ECU BOX) J/C 6 (LEFT KICK PANEL) J/C 9 (BEHIND LEFT SIDE OF DASH) LEFT CAMSHAFT TIMING OIL CONTROL VALVE (TOP LEFT SIDE OF ENG) LEFT FRONT FENDER) LT GRN WIRE LT GRN/RED WIRE NCO NEO OCR- OCV- OIL PRESSURE SWITCH (LEFT FRONT SIDE OF ENGINE) ORG/ WIRE PASSENGER SIDE JUNCTION BLOCK PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PTNK CCS MOL EC RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RXCK SFTD SFTU SFTU IMLD EOM SECURITY INDICATOR 4 11 SIL SLU+ SLN+ SLT+ NCO- PNK WIRE TACH STA TACHOMETER TPC ACMG TRANSPONDER KEY AMPLIFIER (BEHIND LEFT SIDE OF DASH) TRC+ TXCT TXCT CODE RXCK KSW LCKI TAM PRE 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/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE