Lexus GS III facelift (2007-2011) (behind left kick panel) Wiring diagrams

1 2 3 4 5 6 7 8 B+ ACCD BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) ID CODE BOX (BEHIND CENTER OF DASH) IGE SGRD GND IGN FUSE INDS INDW PNK WIRE INSTRUMENT CLUSTER SYSTEM LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK EFII EFIO WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT END OF DASH) RDY RDY IMO IMI RED WIRE RED/BLK WIRE RELAY ENERGIZED RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SECURITY FUSE SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE, NEAR SELECTOR LEVER) SKSW SL/R SLP STEERING LOCK ECU (TOP RIGHT SIDE OF STEERING COLUMN) STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) STOP SW FUSE STR LOCK FUSE STSW SWIL VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 LOUT 3 1 2 +B GND SI A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C FUSE A/C PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) A/C ROOM TEMPERATURE SENSOR (UNDER CENTER OF DASH) A/C W/P FUSE BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLLH BLRH BLU WIRE BLW BRN WIRE COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGS TSD ENGINE COOLANT TEMPERATURE SENSOR (TOP RIGHT SIDE OF ENGINE) FDEF GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) HEATER FUSE HOT IN ON OR START HOT IN ON OR START ECU-IG RH FUSE LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT END LH-IG FUSE LT BLU WIRE LT GRN WIRE MPX+ MPX- OF DASH) ORG/ WIRE PNK WIRE PRE TSP RH TR PNK WIRE RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) ROUT SEAT HEATER SWITCH SEATS SYSTEM SG-1 GND IG+ SG-2 SG-6 SG-4 SMOG VENTILATION SENSOR (RIGHT FRONT OF ENGINE COMPT) SOLAR SENSOR AUTOMATIC LIGHT CONTROL SENSOR (UNDER UPPER CENTER OF DASH) SVSG SW 4 SW 5 TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 SOL- SOL+ 3 1 2 +B GND 3.5L 4.6L 4.6L 3.5L 4.6L 3.5L SUB FAN MOTOR A/C COMP FUSE A/C COMP RELAY (3.5L) A/C COMPRESSOR (3.5L) (LEFT FRONT OF ENGINE) A/C COMPRESSOR (LEFT FRONT ACMG BLK WIRE BLOWER MOTOR (UNDER LOWER RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM COOLING FAN ECU ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ETAM FAN MAIN RELAY FLOW CONTROL VALVE FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/YEL WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) LCKI LOCK SENSOR LT GRN WIRE MAGNETIC CLUTCH MAIN FAN MOTOR OF ENGINE) RED WIRE RFC TAM VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

11 8 4.6L 3.5L 3.5L BACKUP LIGHT BLK WIRE BLU WIRE BODY ECU BRN WIRE CANL CANH ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER ENGINE ROOM R/B 1 FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) HOT AT ALL TIMES HOT IN ON OR START LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL LEFT COWL SIDE J/B (BEHIND BODY ECU LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT REAR COMBINATION LAMP LH-IG FUSE SIDE J/B (BEHIND LEFT SIDE OF DASH) LUGGAGE ROOM J/B ECU ECUB MPX-B FUSE ORG/ WIRE P-GND PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT REAR COMBINATION LAMP ROOM J/B RR+B RR-B FUSE ST-PLUG W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

3.5L 30 31 13 26 38 MPX+ MPX- PRE 4.6L 4.6L 3.5L SUB FAN MOTOR A/C AMPLIFIER (BEHIND CENTER RIGHT OF DASH) A/C PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM COOLING FAN ECU CRANKSHAFT POSITION SENSOR (4.6L) (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FAN MAIN RELAY FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN FAN MOTOR NCA WIRE NE+ PNK NE- WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED (OR RED/BLU) WIRE RED WIRE RELAY RFC SG-2 VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

AIRBAG SENSOR ASSEMBLY CENTER BODY ECU BRN WIRE CIGARETTE LIGHTER CLEARANCE WARNING ECU SHIELD CONSOLE BOX LAMP END OF DASH) ENGINE CONTROL MODULE SHIELD HYBRID CONTROL ECU SHIELD HYBRID VEHICLE ECU SHIELD ID CODE BOX JUNCTION CONNECTOR LEFT CENTER J/B (BEHIND LEFT COWL SIDE J/B (BEHIND LEFT LH IG RELAY 1 LH-IG RELAY 2 LT GRN WIRE LUGGAGE DOOR OPENING SWITCH ASSEMBLY MULTI- DISPLAY SKID CONTROL ECU SHIELD NCA WIRE OUTER MIRROR SWITCH ASSEMBLY OVERHEAD A/C J/B AMPLIFIER OVERHEAD J/B SHIELD SHIELD SLIDING ROOF CONTROL ECU SPIRAL CABLE STEERING LOCK ECU STEERING SENSOR STEERING SENSOR SHIELD SUN BEAM SENSOR SHIELD TURN SIGNAL FLASHER WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YAW RATE SENSOR YAW RATE SENSOR SHIELD

+IG 4 6 7 5 HEAD COMPUTER DATA LINES SYSTEM AUTO BATB BEAM IND BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY ECU HRLY BRN WIRE CLTB CLTE CLTS COMBINATION METER COMPUTER DATA LINES SYSTEM DCTY DIMMER SWITCH DOME FUSE ECU-IG RH FUSE ENERGIZED GAUGE FUSE ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FOG SWITCH FR DOOR RH FUSE FRONT FOG IND FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEAD AUTO HEAD CLTB CLTS HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM MPX- R/B 1 (LEFT SIDE OF FUSE ENGINE COMPT) HOT W/ HOT W/ ACC RELAY ENERGIZED HOT W/ RH-IG RELAY 1 ENERGIZED LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) TO FRONT CONTROLLER (DIAGRAM LEFT FRONT DOOR COURTESY SWITCH (IN LEFT "B" PILLAR) LIGHT CONTROL SWITCH LOW HIGH FLASH HF LOW HIGH FLASH HU LT BLU WIRE LT GRN WIRE MASTER IND MPX+ MPX- MULTI-INFORMATION DISPLAY OFF TAIL ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PNK WIRE RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) TAIL TAIL/ HEAD IND TELLTALE LAMP ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE YEL/BLK WIRE

1 2 CANH CANL 10 9 CANH CANL 3 2 CANH CANL 3.5L 4.6L 4.6L 3.5L 8 9 CANH CANL 9 10 14 13 CAN- CAN+ CANH CANL 9 22 CANH CANL BLK WIRE BLU WIRE BRN WIRE CAN (+) DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) ELECTRONIC MODULATED SUSPENSION ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU 2 (FRONT OF LUGGAGE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT GRN WIRE MPX-B FUSE ORG/ WIRE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SEAT BELT CONTROL ECU SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) ST-PLUG STEERING SENSOR (BEHIND LEFT SIDE OF DASH, NEAR STEERING COLUMN) TRANSMISSION CONTROL ECU (4.6L) (LEFT FRONT OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER FRONT OF CENTER FLOOR CONSOLE) YEL WIRE

25 24 24 14 13 30 CANH CANL SPD 26 18 14 5 MOL MOPS 3.5L A/C MPX+ AMPLIFIER (BEHIND CENTER MPX- RIGHT OF DASH) AIR BAG SENSOR ASSEMBLY CENTER (UNDER CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE BRN WIRE DISP FUEL SENDER GAUGE FUEL SUCTION PUMP, GAUGE ASSEMBLY GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRY WIRE GRY/BLU (OR GRN/RED) WIRE GRY/BLU WIRE LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MULTI-DISPLAY ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY PBEW PHS PHSG PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) ST-PLUG STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) SUN BEAM SENSOR (NEAR CENTER STOPLIGHT) BRAKE FLUID LEVEL WARNING SWITCH (3.5L) TACH TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TIM- +B BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DOWN ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LONG LT GRN WIRE MPX-B FUSE ORG/ WIRE PNK WIRE RED WIRE RH ECU-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SHORT TELESCOPIC MOTOR TELESCOPIC SENSOR TEM TES VCE TI, TE FUSE TILT MOTOR TILT MOTOR (UNDER LEFT SIDE OF DASH) TILT SENSOR TILT, TELESCOPIC ECU (TOP RIGHT SIDE OF STEERING COLUMN) TILT, TELESCOPIC SWITCH HEADLAMP DIMMER SWITCH ASSEMBLY TIM TIS VCI VCI TIS IG ECUB TIM+ GND WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE