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

4 6 7 HEAD AFS AFS OFF IND BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DIMMER SWITCH DOME FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEAD AUTO HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE IG+ MPX- MPX+ LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MASTER IND MPX-B FUSE MULTI-INFORMATION DISPLAY OFF TAIL ORG/ WIRE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) STEERING CONTROL ECU (UNDER GLOVE COMPT) STEERING SENSOR (BEHIND LEFT SIDE OF DASH, NEAR STEERING COLUMN) VIO WIRE W/ VGRS SYSTEM W/O VGRS SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

BATB BLK WIRE BLU WIRE BLU/WHT WIRE BODY ECU CILL COMPUTER DATA LINES SYSTEM DCTY DOME FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FSPT GRN WIRE GRY WIRE HOT AT ALL TIMES LCTY LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT FOOT LAMP LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR FOOT LAMP LEFT VANITY LAMP LEFT VANITY LAMP SWITCH LT BLU WIRE LT GRN WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PCTY PNK WIRE RCTY RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FOOT LAMP RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR FOOT LAMP RIGHT VANITY LAMP RIGHT VANITY LAMP SWITCH TO FRONT DOOR RH FUSE (DIAGRAM 5 OF 5) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

BDCY BECU GAUGE FUSE BLK WIRE BLU WIRE BODY ECU BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DOOR IND TELLTALE LAMP ASSEMBLY ECU-IG LH FUSE GRN WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START ILE RCTY LCTY IG LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT LGCY LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPARTMENT) LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) MASTER IND MULTI-INFORMATION DISPLAY PNK WIRE RED WIRE RELAY ENERGIZED BODY ECU RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RR-B FUSE SGND GND SIDE OF DASH) STEERING SPOT LAMP TO LH-IG FUSE (DIAGRAM 4 OF 5) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

4 6 7 HEAD 8 14 HRLY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE BRN/WHT WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DIMMER SWITCH DOME FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLU WIRE H-LP LVL FUSE WNG ALTL HEAD HEAD AUTO HEADLAMP BEAM LEVEL CONTROL ACTUATOR HEADLAMP BEAM LEVEL CONTROL ECU (UNDER LEFT END OF DASH) HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE IG+ MPX- MPX+ LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT HEADLAMP ASSEMBLY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MASTER IND MPX-B FUSE MULTI-INFORMATION DISPLAY OFF TAIL ORG/ WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT HEADLAMP ASSEMBLY SGF SGR SHFL SHRL SBF SBR SHB SHFL SHG SHRL SPDL SPDR VIO WIRE VIO/RED WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WNG YEL WIRE YEL/RED WIRE

BATB BLU WIRE BODY ECU BRN WIRE COMPT) DCTY ENGINE OIL LEVEL SENSOR GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) HOT AT ALL TIMES LCTY LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY SWITCH LT BLU WIRE LT GRN/BLK WIRE OF ENGINE COMPT) ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PCTY PRESSURE SWITCH RCTY RED WIRE RH FR RH FR DOOR FUSE DOOR FUSE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY SWITCH VIO WIRE W/ ADAPTIVE FRONT LIGHTING W/O ADAPTIVE FRONT LIGHTING WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE YEL/BLK WIRE

A/T SHIFT LEVER ILLUMINATION BLU WIRE BODY ECU BRN WIRE CENTER REGISTER ILLUMINATION CIGARETTE LIGHTER COMPUTER DATA LINES SYSTEM CONSOLE BOX LAMP DRIVER'S SIDE REGISTER ILLUMINATION GND SGND GRD GRN WIRE GRY WIRE GRY/BLU WIRE HILL HOT AT ALL TIMES HREO ILL 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 MULTI- DISPLAY ILL+ PANEL FUSE PASSENGER'S SIDE REGISTER ILLUMINATION PNK WIRE RADIO RECEIVER ASSEMBLY ILL- RED WIRE SPIRAL CABLE (IN STEERING COLUMN) SWG TAIL RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

4 5 14 13 COMPUTER DATA LINES SYSTEM 4 6 7 HEAD COMPUTER DATA LINES SYSTEM ABSORBER CONTROL SWITCH BACK ILLUMINATION BLU WIRE BLU/WHT WIRE BODY ECU COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE GLOVE BOX LAMP) GRN WIRE GRY WIRE HEAD HEAD AUTO HEAD AUTO 19 12 HOT AT ALL TIMES LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LIGHT CONTROL SWITCH HEADLAMP DIMMER SWITCH ASSEMBLY LT BLU WIRE LT GRN WIRE MULTI ILLUMINATION MULTI-INFORMATION DISPLAY OFF TAIL ORG/ WIRE PNK WIRE POINTER ILLUMINATION RED WIRE RELAY ENERGIZED RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SEAT HEATER SWITCH TRACTION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

1 2 A- A+ 2 1 A+ A- ANTI-THEFT SYSTEM BBO- BLK WIRE BLK/RED WIRE BLU WIRE BODY ECU COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER GRN WIRE GRY WIRE GRY/BLU WIRE HEADLIGHTS SYSTEM HORN FUSE HORN RELAY HORNS SYSTEM HOT AT ALL TIMES LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT FRONT DOOR LOCK ASSEMBLY (REAR OF LEFT FRONT DOOR) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LEFT REAR DOOR LOCK ASSEMBLY (REAR OF LEFT REAR DOOR) MAYDAY BATTERY (RIGHT FRONT OF LUGGAGE COMPT) MIN MULTI-DISPLAY ORG/ WIRE PNK HFOF WIRE PNK WIRE RED WIRE 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 ECU (IN RIGHT REAR DOOR) RIGHT REAR DOOR LOCK ASSEMBLY (REAR OF RIGHT REAR DOOR) WHT WIRE WINDSHIELD WIPER SWITCH ASSEMBLY 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

25 24 CANH CANL 4.6L 3.5L BACK BLK WIRE BLU WIRE BODY ECU BRN WIRE CB+ CGND COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM EXTERIOR LIGHTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM CV+ ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE GRY/BLU WIRE HILL HOT AT ALL TIMES ILL- ILL+ REV SPD CMP- CMP+ SLD HREO SEUC AIR PBEW INT- IVO- IVO+ SLD LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT GRN WIRE MACC MIN- MIN+ SGND CA+ CGND MULTI-DISPLAY NCA WIRE ORG/ WIRE PKB HFOF PNK WIRE PNK WIRE RED WIRE RELAY STEREO COMPONENT AMPLIFIER (AT RIGHT REAR CORNER OF LUGGAGE COMPT) SUPPLEMENTAL RESTRAINTS SYSTEM INSTRUMENT CLUSTER SYSTEM TC HAZ ARON TELEVISION CAMERA (RIGHT SIDE OF LUGGAGE COMPT) TSW TV FUSE V+ V- VIO WIRE W/O MARK LEVINSON W/ MARK LEVINSON WHT WIRE WHT/BLK WIRE YEL WIRE