Lexus GS III facelift (2007-2011) body ecu Wiring diagrams

BDR BLU WIRE BODY ECU BRN WIRE CCTY COMPUTER (UNDER DATA LINES DRIVER'S SYSTEM SEAT) COMPUTER DATA LINES SYSTEM CPUB CTY ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES J/C KUL LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT FRONT DOOR LOCK ASSEMBLY LEFT REAR DOOR ECU (IN LEFT REAR DOOR LEFT REAR DOOR LOCK ASSEMBLY (REAR OF LEFT REAR DOOR) LH FR DOOR FUSE LH RR DOOR FUSE LH-IG FUSE LSW LSWE LT GRN WIRE LUGGAGE COMPARTMENT DOOR CLOSER MPX-B FUSE ORG/ WIRE PNK WIRE POWER WINDOW MASTER SWITCH RED WIRE RELAY SELE- SGND SIG SIGJ TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BATB BDR BLK WIRE BLU WIRE BODY ECU COMPUTER DATA LINES SYSTEM CPUB DCTY DLE DOOR LOCK CONTROL SWITCH GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES RH FR DOOR FUSE IND LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH LSW LSWE LT BLU WIRE LT GRN WIRE MULTI-DISPLAY ORG/ WIRE PML PMUL PNK WIRE PWS RCTY RED WIRE RELAY RH FR DOOR FUSE RH RR DOOR FUSE RH-IG FUSE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT DOOR ECU (IN RIGHT FRONT DOOR) RIGHT FRONT DOOR LOCK ASSEMBLY (REAR OF RIGHT FRONT DOOR) RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) RIGHT REAR DOOR LOCK ASSEMBLY (REAR OF RIGHT REAR DOOR) SECU SECURITY HORN (RIGHT SIDE OF ENGINE COMPT) SELE- SIG VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ANTI-LOCK BRAKES SYSTEM BLK/RED WIRE BLU WIRE BODY ECU BUCKLE SWITCH COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FRONT SEAT INNER BELT (UNDER LEFT SIDE OF DRIVER'S SEAT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HEAD LP RELAY HEADLIGHTS SYSTEM HOT AT ALL TIMES LCTY LEFT REAR DOOR COURTESY SWITCH LT BLU WIRE LT GRN WIRE MAIN FUSE MPX PCTY PNK WIRE RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT DOOR COURTESY SWITCH VIO WIRE WHT WIRE WHT/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 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

ABSORBER CONTROL ECU ABSORBER CONTROL SWITCH BLK WIRE BODY ECU CENTER AIR BAG SENSOR ASSEMBLY CIGARETTE LIGHTER COMBINATION METER CONTROL ECU DATA LINK CONNECTOR 3 ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH GATEWAY ECU GLOVE BOX LAMP) JUNCTION CONNECTOR LEFT VANITY LAMP SWITCH LUGGAGE COMPARTMENT DOOR OPENER CANCEL SWITCH POWER SOURCE CONTROL ECU POWER SWITCH PWR OUTLET RELAY RELAY RELAY RELAY RIGHT CENTER J/B (BEHIND RIGHT COWL SIDE J/B (BEHIND RIGHT FRONT ABSORBER CONTROL ACTUATOR RIGHT VANITY LAMP SWITCH SEAT HEATER SWITCH SHIFT LOCK CONTROL ECU STEERING CONTROL ECU STEERING LOCK ECU TILT MOTOR TILT, TELESCOPE ECU TIRE PRESSURE WARNING ECU TIRE PRESSURE WARNING RESET SWITCH TIRE PRESSURE WARNING SELECT SWITCH TO LEFT COWL SIDE J/B (DIAGRAM 5 OF 8) TRACTION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE

A/C AMPLIFIER BODY ECU BRN WIRE CIGARETTE LIGHTER CONSOLE BOX LAMP ID CODE BOX JUNCTION CONNECTOR (3.5L) LEFT CENTER J/B (BEHIND LEFT COWL SIDE J/B (BEHIND LT GRN WIRE LUGGAGE DOOR OPENING SWITCH ASSEMBLY MULTI- JUNCTION CONNECTOR DISPLAY (4.6L) NCA WIRE OUTER MIRROR SWITCH ASSEMBLY OVERHEAD J/B (IN OVERHEAD CONSOLE) OVERHEAD J/B SHIELD RELAY ROOF CONTROL ECU SLIDING SPIRAL CABLE STEERING LOCK ECU STEERING SENSOR SUN BEAM SENSOR SHIELD TURN AIR BAG SIGNAL SENSOR FLASHER ASSEMBLY CENTER WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YAW RATE SENSOR

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IG BLK WIRE BLU WIRE BODY ECU BRN WIRE CMP COMBINATION METER ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLU WIRE GTX+ SIL GTX- HOT AT ALL TIMES HOT IN ON OR ACC LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAYDAY ECU (CENTER REAR OF LUGGAGE COMPT) MPX MULTI-DISPLAY NCA WIRE ORG/ WIRE OVERHEAD J/B (IN OVERHEAD CONSOLE) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RAIN SENSOR (FRONT CENTER OF ROOF) RED WIRE RELAY RH ECU-IG FUSE RIGHT RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SLD SLIDING ROOF CONTROL ECU (FRONT OF OVERHEAD CONSOLE) TILT, TELESCOPIC ECU (TOP RIGHT SIDE OF STEERING COLUMN) TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

3 2 PNK WIRE 31 30 MPX- MPX+ A/C AMPLIFIER (BEHIND CENTER RIGHT OF DASH) AIR BAG SENSOR ASSEMBLY CENTER (UNDER CENTER FLOOR CONSOLE) ATX- BLK WIRE BLU WIRE BODY ECU BRN WIRE CERTIFICATION ECU (RIGHT REAR CORNER OF LUGGAGE COMPT) CMP DASH) GRN/RED WIRE GRY WIRE GRY/BLU WIRE HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B ECU OUTER MIRROR SWITCH ASSEMBLY PNK 5 8 WIRE PNK WIRE POWER WINDOW MASTER SWITCH RADIO RECEIVER ASSEMBLY RED WIRE RIGHT FRONT DOOR ECU (IN RIGHT FRONT DOOR) RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SGND STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) TXM- W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE ECT PWR IND EFI ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) LCD LT BLU WIRE LT GRN WIRE MALFUNCTION IND MASTER IND MPX MPX-B FUSE MULTI-INFORMATION DISPLAY NCA WIRE PNK WIRE PNK/BLU WIRE PWR RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT KICK PANEL J/B (BEHIND RIGHT SIDE OF DASH) SNOW SNOW IND ECT SPEEDOMETER TACHOMETER VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE