Lexus GS III facelift (2007-2011) 4.6l Wiring diagrams

3.5L 4.6L BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM FLO FRO FRONT HEIGHT CONTROL SENSOR (NEAR LEFT FRONT SHOCK TOWER) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE H-LP LVL FUSE HEADLAMP LEVELING MOTOR HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) HEADLAMP SWIVEL MOTOR HOT IN ON OR START LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT HEADLAMP ASSEMBLY LT BLU WIRE LT GRN WIRE LT GRN/RED WIRE MOTOR ORG/ WIRE PNK WIRE PNK/GRN WIRE REAR HEIGHT CONTROL SENSOR (UNDER LEFT REAR OF VEHICLE) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT HEADLAMP ASSEMBLY SENSOR SGF SMGR SMGL SGR SHB SHFL SHG SHRL SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) SMBL SMBR SMBR SMBL SMR SML SMGL SMGR SML SMR SPDL SPDR SS+ SS- SHRL SBR VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/RED 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

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

3.5L 3.5L 4.6L 3.5L 4.6L 4.6L 3.5L ABSORBER CONTROL ECU BLK WIRE BLK) (OR YEL/ WIRE BLU WIRE BODY ECU BRN (OR WHT/BLK) WIRE BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY CG SG CANH SIL D/G DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) DIA ECU (RIGHT REAR OF LUGGAGE COMPT) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) FREE FRONT STABILIZER CONTROL ECU (RIGHT FRONT CORNER OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/BLK WIRE GRY WIRE HIGH/LOW BUS CIRCUIT HOT AT ALL TIMES LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAYDAY ECU (CENTER REAR OF LUGGAGE COMPT) MULTI-DISPLAY OBD FUSE OCCUPANT CLASSIFICATION ECU ORG/ WIRE PNK PNK WIRE PNK WIRE POWER STEERING ECU RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SIL SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU W/ ACTUATOR (3.5L) (LEFT REAR OF ENGINE COMPT) STEERING CONTROL ECU (UNDER GLOVE COMPT) TAC TACH TS TC CANL WFSE BAT VIO WIRE WFSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 GND SLD+ SLD- FRV- +B FRV+ LFT+ RCL+ LFT- RCL- 3.5L 4.6L 4.6L 3.5L BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT REAR CORNER OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM DRIVER'S SEAT POSITION CONTROL ECU, SWITCH (LEFT SIDE OF DRIVER'S SEAT) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) FR P/SEAT LH FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/RED 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 PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK WIRE POWER SEAT MOTOR (DRIVER'S SEAT FRONT VERTICAL CONTROL) (UNDER DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT LUMBAR SUPPORT) (IN DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT REAR VERTICAL CONTROL) (UNDER DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT RECLINING CONTROL) (UNDER DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT SLIDE CONTROL) (UNDER DRIVER'S SEAT) POWER SEAT SWITCH (DRIVER'S SEAT LUMBAR SUPPORT) RED WIRE RELAY SYSB VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3.5L 4.6L A/C COMPRESSOR BLK WIRE BRAKE ACTUATOR BRAKE FLUID LEVEL WARNING SWITCH BRAKE PEDAL STROKE SENSOR SHIELD BRN WIRE CLEARANCE WARNING ECU COMBINATION METER WIRELESS DOOR LOCK BUZZER EFI 2 RELAY EFI MAIN FRONT RELAY CONTROLLER ENGINE CONTROL MODULE ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) HEADLAMP BEAM LEVEL CONTROL ECU HEADLAMP CLEANER CONTROL RELAY HEADLAMP SWIVEL ECU IG 2 A/F ST CUT RELAY RELAY RELAY JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B (BEHIND LEFT FRONT ABSORBER CONTROL ACTUATOR WATER LEVEL WARNING SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD DEICER WINDSHIELD WASHER MOTOR WINDSHIELD WIPER MOTOR

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

1 10 MV M+ 2 5 8 GND PNK WIRE 3.5L 4.6L 6 4 3 8 9 1 BDR CPUB SIG 6 5 13 14 VSSL VC HSSL 6 5 13 14 VSSR VC HSSR 8 3 2 MM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CERTIFICATION ECU COMBINATION METER (RIGHT REAR CORNER OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE EC+ ECU-B FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR (FRONT OF LEFT FRONT DOOR) LEFT/RIGHT LH FR DOOR FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE MIRROR HEATER MIRROR HEATER LEFT REAR DOOR ECU (IN LEFT REAR DOOR) MIRROR POSITION SENSOR MPX MPX-B FUSE MSWE MV M+ ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY (IN RIGHT FRONT DOOR) COMPUTER DATA LINES SYSTEM PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK PNK 11 12 WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH REAR DOOR) RED WIRE RELAY RETRACTABLE MIRROR MOTOR RH FR DOOR FUSE RH-IG FUSE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT DOOR ECU (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR (FRONT OF RIGHT FRONT DOOR) RIGHT REAR DOOR ECU (IN RIGHT SELE- SET- UP/DOWN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 TIM- +B 1 2 3 4 5 TIM+ TIM- GND VCI TIS 3.5L 4.6L 4.6L 3.5L 8 3 2 MM BLK WIRE BLU WIRE BODY ECU BRN WIRE CERTIFICATION ECU (RIGHT REAR CORNER OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM DOWN DRIVER'S SEAT MEMORY SWITCH (IF EQUIPPED) ECU-IG RH FUSE ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LONG LT BLU WIRE LT GRN WIRE MPX-B FUSE MSW MSWE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK COMPUTER DATA LINES SYSTEM WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH RED WIRE RELAY RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SET- SHORT TELESCOPIC MOTOR TELESCOPIC SENSOR TEM 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 VCE TES VCI TIS IG ECUB TIM+ GND VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

1 2 3 4 5 6 7 8 9 10 GND SLD+ SLD- FRV- +B FRV+ LFT+ RCL+ LFT- RCL- 3.5L 4.6L 4.6L 3.5L BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU (RIGHT REAR CORNER OF LUGGAGE COMPT) COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) FR P/SEAT RH FUSE FRONT SEAT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN 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 PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK 1 2 3 4 5 6 7 8 WIRE PNK WIRE POWER SEAT MOTOR (FRONT PASSENGER'S SEAT FRONT VERTICAL CONTROL) (UNDER RIGHT POWER SEAT MOTOR (FRONT PASSENGER'S SEAT LUMBAR SUPPORT) (IN RIGHT FRONT SEAT) POWER SEAT MOTOR (FRONT PASSENGER'S SEAT REAR VERTICAL CONTROL) (IN RIGHT POWER SEAT MOTOR (FRONT PASSENGER'S SEAT SLIDE CONTROL) (UNDER RIGHT POWER SEAT SWITCH (FRONT PASSENGER'S SEAT LUMBAR SUPPORT RED WIRE RELAY RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SYSB WHT WIRE WHT/BLK WIRE YEL WIRE