Lexus GS II facelift (2000-2004) 4.3l Wiring diagrams

1 2 M+ M- 3 4 1 GAS IG GND 3.0L 4.3L A/C AMBIENT TEMPERATURE SENSOR (NEAR TOP LEFT SIDE OF RADIATOR SUPPORT) A/C COMP RELAY A/C CONDENSER FAN MOTOR (IN FRONT LEFT SIDE OF RADIATOR) A/C MAGNETIC CLUTCH, LOCK SENSOR (ON A/C COMPRESSOR) AIR MIX CONTROL SERVO MOTOR (FRONT PASSENGER SIDE) (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER MOTOR (RIGHT SIDE OF DASH) BLOWER MOTOR CONTROLLER (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU 1 BRN WIRE DASH HARN, BEHIND COMBINATION METER) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) IGN FUSE ED (REAR SIDE OF INTAKE MANIFOLD) ED (REAR OF LEFT CYL HEAD) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) ENGINE ROOM R/B 3 (ON LEFT SIDE OF ENGINE COMPARTMENT, FRONT OF STRUT TOWER) EXHAUST GAS SENSOR (AT LEFT FRONT OF ENGINE COMPARTMENT) FAN 2 RELAY FAN 3 RELAY GND SI B+ 2 3 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR RELAY IG (UPPER LEFT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 17 (UPPER RIGHT SIDE OF DASH) J/C 2 (IN ECU BOX) J/C 26 (IN ECU BOX) LT GRN/RED WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE R/B (BEHIND RIGHT KICK PANEL) RADIATOR FAN MOTOR (LEFT FRONT OF ENGINE COMPT) RDI FAN FUSE CDS FAN FUSE RED WIRE RED/BLU WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

3.0L 4.3L BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BODY ECU 2 BRAIDED BRAKE FLUID LEVEL WARNING SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START IG (UPPER LEFT SIDE OF DASH) II (UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR J/C 1 (UNDER ECU BOX) JUNCTION CONNECTOR J/C 10 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 15 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR J/C 3, J/C 4 (UNDER ECU BOX) JUNCTION CONNECTOR J/C 6 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 7 (LEFT KICK PANEL) JUNCTION CONNECTOR J/C 9 (BEHIND LEFT SIDE OF DASH) LEFT FRONT ABS SPEED SENSOR (LEFT FRONT WHEEL ASSEMBLY) LT GRN WIRE LT GRN/BLK WIRE MASTER CYLINDER PRESSURE SENSOR (AT LEFT REAR CORNER OF ENGINE COMPARTMENT) PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT FRONT ABS SPEED SENSOR (RIGHT FRONT WHEEL ASSEMBLY) STEERING SENSOR (COMBINATION SWITCH) STOP FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL BRACKET) VSC OFF SWITCH VSC WARNING BUZZER (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

3.0L 4.3L 4.3L 3.0L A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ALT-S FUSE ALT FUSE BATTERY BATTERY GROUND BLK WIRE BLU WIRE BLU/RED WIRE CHARGE WARNING LIGHT COMB- INATION METER DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM R/B NO.1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FUSE GAUGE FUSE GENERATOR IF (LEFT KICK PANEL) IGNITION SWITCH II (UPPER RIGHT SIDE OF DASH) J/C 1 (AT LEFT SIDE OF ENGINE COMPARTMENT IN ECU BOX) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 17 (RIGHT SIDE OF DASH) J/C 6 (LEFT KICK PANEL) MPX NCA WIRE OFF PNK WIRE RED WIRE TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLU WIRE YEL WIRE

+IG 3.0L 4 3 TS TC 4.3L 5 25 WA D/G ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) ANTI-LOCK BRAKE SYSTEM (ABS SOL RELAY) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) BRN (OR WHT/BLK) WIRE BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY (BEHIND CENTER OF DASH) CG SG COMBINATION METER DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) DRIVER SIDE J/B ED (REAR SIDE OF INTAKE MANIFOLD) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE CONTROLS SYSTEM (EFI RELAY) GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES IGNITOR (LEFT REAR OF ENGINE COMPT, TAC II (UPPER RIGHT SIDE OF DASH) J/C 1 (IN ECU BOX) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) LT GRN/BLK WIRE NCA WIRE OBD FUSE PASSENGER SIDE J/B PNK WIRE PNK/BLK (OR PNK) WIRE PNK/BLK WIRE SHORT PIN SIL TACH TC +B WB DATA LINK CONNECTOR 1 (LEFT SIDE OF ENGINE COMPT, BEHIND ECU BOX) WFSE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WSFE BAT

1 2 3 4 5 6 SOL+ SOL- 3.0L 4.3L BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE COMBINATION METER DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE HOT IN ON OR START IG SPD II (UPPER RIGHT SIDE OF DASH) J/C 10 (UPPER LEFT END OF DASH) J/C 13 (LEFT SIDE OF DASH) J/C 17 (UPPER RIGHT END OF DASH) J/C 6 (LEFT KICK PANEL) J/C 7 (LEFT KICK PANEL) ORG/ WIRE PPS ECU (BEHIND LEFT SIDE OF DASH) PPS SOLENOID (AT LEFT FRONT OF ENGINE) PPS SOLENOID (AT RIGHT FRONT OF ENGINE) RED WIRE RED/BLU WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

4.3L 5 12 11 4 GTX+ GTX- 5 16 MPX+ MPX- A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU 1 BODY ECU 2 BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY (BEHIND CENTER OF DASH) COMBINATION METER DRIVER DOOR ECU DRIVER SIDE J/B ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) FRONT PASSENGER DOOR ECU GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) LEFT REAR DOOR ECU MOON ROOF CONTROL ECU (FRONT OF MOON ROOF OPENING) MULTI-DISPLAY ORG/ WIRE PASSENGER SIDE J/B POWER SEAT ECU (UNDER DRIVER'S SEAT) RADIO, PLAYER RED/BLU WIRE RIGHT REAR DOOR ECU STEERING PAD SWITCH TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) W/ MEMORY W/ NAVIGATION W/O MEMORY W/O NAVIGATION WHT WIRE YEL WIRE