Lexus GS III facelift (2007-2011) headlamp dimmer switch assembly 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

AIR BAG SENSOR ASSEMBLY CENTER (UNDER CENTER FLOOR CONSOLE) AUTO AUTOMATIC LIGHT CONTROL SENSOR (BEHIND UPPER CENTER OF DASH) BLK WIRE BLU WIRE BRN WIRE CLTB CLTE CLTE CLTS HAZ CLTS ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HEAD HEAD AUTO HEADLAMP DIMMER SWITCH ASSEMBLY HEADLAMP SWIVEL ECU (UNDER LEFT END OF DASH) HOT AT ALL TIMES MPX- LEFT LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MPX OFF TAIL ORG/ WIRE OUTER MIRROR A/C AMPLIFIER SWITCH ASSEMBLY (BEHIND CENTER RIGHT OF DASH) PNK WIRE RED WIRE RIGHT RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) TAIL TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) TL TR TURN SIGNAL SWITCH W/ ADAPTIVE FRONT LIGHTING SYSTEM W/O ADAPTIVE FRONT-LIGHTING SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

+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

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

1 16 (3.5L) (4.6L) 1 2 3 4 5 6 HDLO 17 10 4.6L 3.5L 34 24 7 PNK WIRE 4 6 7 HEAD BLK WIRE BLU WIRE BLU/ORG WIRE BODY ECU COMPUTER DATA LINES SYSTEM COMPUTER WIPER, DATA LINES WASHER SYSTEM CIRCUIT ECU-B FUSE ENGINE ROOM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER FRWA PB GRN WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE H-LP CLN FUSE HEAD AUTO HEAD HDLO HEADLAMP CLEANER CONTROL RELAY (BELOW LEFT HEADLIGHT) HEADLAMP CLEANER MOTOR (BELOW LEFT HEADLIGHT) HEADLAMP CLEANER SWITCH HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE OFF OFF TAIL ORG/ WIRE OUTER MIRROR SWITCH ASSEMBLY POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) R/B 2 (LEFT SIDE OF ENGINE COMPT) RED WIRE RELAY RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) TAIL HEAD AUTO VIO WIRE WASH RELAY WASHER FUSE WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/GRN 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