Lexus RX III facelift (2012-2015) headlight dimmer switch assembly Wiring diagrams

6 5 7 4 ER EL BDSL BDSR BLB BLGD BLK WIRE BLK/YEL WIRE BLU WIRE BRB BRGD BRN WIRE BSM BSSW BSTL BSTR COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HAZ FUSE HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES ILL ILL INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) L/P LEFT "C" PILLAR) LEFT BLIND SPOT MONITOR SENSOR (BEHIND LEFT SIDE OF REAR FASCIA) LEFT OFF RIGHT LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) LEFT OUTER REARVIEW MIRROR ASSEMBLY LT BLU WIRE LT GRN WIRE OMIL OMIR ORG/ WIRE PNK CANH WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT BLIND SPOT MONITOR SENSOR (BEHIND RIGHT SIDE OF REAR FASCIA) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT FRONT DOOR) RIGHT OUTER REARVIEW MIRROR ASSEMBLY TURN SIGNAL FLASHER ASSEMBLY (BEHIND LEFT SIDE OF DASH) TURN SWITCH VIO WIRE WARNING CANCELING SWITCH ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 OUT 1 2 3 4 5 6 7 8 IG LR LL PNK WIRE 1 23 24 2 IG+ CANH CANL PNK WIRE 31 2 22 14 25 STPO AUTO BLK WIRE BLU WIRE BRN WIRE CANADA CANL CANH COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRL OFF ECM (LEFT SIDE OF ENGINE COMPT) EL ER ENGINE ROOM GAUGE 2 FUSE GRN WIRE GRY WIRE HAZ FUSE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START LEFT HEADLIGHT ASSEMBLY LIGHT CONTROL LT BLU WIRE LT GRN WIRE MARKER OFF ORG/ WIRE PARKING PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY SIDE SIDE MARKER SKID CONTROL ECU W/ ACTUATOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) STOP FUSE R/B ASSEMBLY (LEFT FRONT FENDER APRON) STOP LIGHT CONTROL RELAY ASSEMBLY (LEFT END OF DASH) STP +B SWITCH SWITCH ASSEMBLY TAIL TOWING FUSE TRANSMISSION CONTROL ECU ASSEMBLY (A/T) (RIGHT SIDE OF DASH) TRN+ TRNI TURN TURN SIGNAL FLASHER SIGNAL ASSEMBLY (LEFT SIDE OF DASH) TURN SWITCH USA VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

10 9 8 7 6 5 4 3 2 1 TRNR AUTO BLK WIRE BLU WIRE BRN WIRE CANADA CTRS DRL OFF GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY LEFT REAR LIGHT ASSEMBLY TAIL LIGHT CONTROL LT BLU WIRE OFF ORG/ WIRE PNK WIRE RED WIRE RIGHT REAR LIGHT ASSEMBLY TAIL SWITCH TAIL TOWING CONVERTER (RIGHT SIDE OF LUGGAGE COMPT) TRAILER HITCH (UNDER LEFT END OF REAR BUMPER) TRNL CTLA CTLS CTLB TTLA TTLS TTRS TURN SWITCH USA VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) SHIELD ASSEMBLY BLK WIRE BRN WIRE CERTIFICATION ECU ASSEMBLY CLEARANCE WARNING ECU ASSEMBLY COMBINATION METER ASSEMBLY CONSOLE BOX ILLUMINATION LIGHT CRANK POSITION SENSOR SHIELD DCM (TELEMATICS TRANSCEIVER) FUEL LID OPENER SWITCH HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY POWER TILT MOTOR HEATER CONTROL PANEL (RADIO RECEIVER ASSEMBLY) INTAKE MASS AIR FLOW METER SUB-ASSEMBLY SHIELD KNOCK CONTROL SENSOR (BANK 1, 2) SHIELD NCA WIRE ORG/ WIRE OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD OXYGEN SENSOR (BANK 2 SENSOR 2) SHIELD PARKING DOOR ASSIST CONTROL ECU SWITCH ASSEMBLY A/C AMPLIFIER ASSEMBLY PATTERN SELECT SWITCH ASSEMBLY POWER BACK DOOR MAIN SWITCH METER LIGHT MIRROR CONTROL SUB- RHEOSTAT ASSEMBLY RIGHT VISOR ASSEMBLY SATELLITE SWITCH SET SHIFT LOCK CONTROL ECU SUB-ASSEMBLY STEERING MAIN LOCK BODY ACTUATOR ECU ASSEMBLY STEERING SENSOR THROTTLE W/ MOTOR BODY ASSEMBLY SHIELD TIRE PRESSURE WARNING RESET SWITCH VEHICLE APPROACHING SPEAKER CONTROLLER VSC OFF SWITCH WATER TEMPERATURE SWITCH WHT WIRE WHT/BLK WIRE

14 13 TRLY FFGO 15 22 HRLY DIM 15 8 5 30 28 29 27 22 21 20 DRL HF HU TAIL 2 4 11 FLCY FRCY 6 5 3 2 1 CLTB CLTS CLTE TSR TSL 9 10 8 21 CANP CANN RLEW LLEW AUTO TAIL OFF AUTOMATIC LIGHT CONTROL SENSOR (TOP RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CANADA USA COMPUTER DATA LINES SYSTEM D/L ALT B FUSE DIMMER SWITCH ECU-ACC FUSE ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FOG LIGHT SWITCH FR FOG FUSE FR FOG RELAY FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD FFOG CLTE CLTS CLTB PNK WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ HOT W/ ACC 1 RELAY ENERGIZED INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LCTY INTERIOR LIGHTS SYSTEM RCTY LEFT FOG LIGHT ASSEMBLY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) ORG/ WIRE PARKING BRAKE SWITCH PD FUSE PNK WIRE RED WIRE RIGHT FOG LIGHT ASSEMBLY SOLAR SENSOR AIR CONDITIONING SYSTEM TAIL AUTO HEAD OFF DRL OFF DRL OFF TAIL FUSE TAIL RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

23 24 PNK CANH CANL WIRE 32 29 31 IG AUTO TAIL BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM D/L ALT B FUSE ECU-ACC FUSE ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD CANL CANH HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT LEVELING MOTOR HEADLIGHT SWIVEL ECU ASSEMBLY (LEFT END OF DASH) HOT AT ALL TIMES HOT W/ HOT W/ ACC 1 RELAY ENERGIZED INIT INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT HEADLIGHT ASSEMBLY LH - LHE LHM+ LHT RHT LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) OFF RED WIRE RH+ CANH CANL RIGHT HEADLIGHT ASSEMBLY RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (AT RIGHT REAR SUSPENSION) SBR SHRL SGR SHB SHG SHRR SMGL SMGR SMGR RHE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 HDLO 2 1 PNK WIRE BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FRONT WASHER SWITCH FRONT WIPER/ WASHER CIRCUIT FUSE GRN WIRE H-LP CLN FUSE HDLO HEAD TAIL AUTO OFF (CANADA) DRL-OFF (USA) HEADLIGHT CLEANER CONTROL RELAY (BELOW RIGHT HEADLIGHT ASSEMBLY) HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY (BELOW RIGHT FRONT HEADLIGHT) HEADLIGHT CLEANER SWITCH ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START HRLY HEAD LIGHT CONTROL SWITCH LT BLU WIRE MAIN BODY ECU INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) PNK FRWA PB WIRE PNK WIRE RED WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

BLK WIRE BLU WIRE BRN WIRE CANN COMPUTER DATA LINES SYSTEM ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MSW MULTIPLEX TILT, TELESCOPIC ECU (AT BASE OF STEERING COLUMN) ORG/ WIRE PNK WIRE POWER TILT MOTOR (ON STEERING COLUMN) RED WIRE TELESCO SHORT TELESCO STRETCH TELESCOPIC MOTOR TELESCOPIC SENSOR TEM+ TEM- TI, TE FUSE TILT DOWN TILT UP TILT, TELESCOPIC SWITCH TIM TIS VCE TES VCI WHT WIRE WHT/BLK WIRE YEL WIRE