Lexus RX III (2008-2012) lt blu Wiring diagrams

1 5 8 9 PNK WIRE 23 24 PNK CANH CANL WIRE 26 20 25 PNK IG WIRE AFS FUSE (ON LEFT SIDE OF ENGINE COMPT) AUTO TAIL BLK WIRE BLU WIRE BRN WIRE CANADA USA COMBINATION METER ASSEMBLY COMPUTER DATA INIT LINES SYSTEM COMPUTER DATA LINES SYSTEM D/L ALTB FUSE ECU- IG 1 FUSE ECU-ACC FUSE ECU-B 1 FUSE ECU-IG 1 3 FUSE ENGINE ROOM R/B ASSEMBLY FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD CANL CANH COMPUTER DATA LINES SYSTEM HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT SWIVEL ECU ASSEMBLY (LEFT END W/ DISPLAY W/O DISPLAY OF DASH) HID TYPE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT HEADLIGHT ASSEMBLY LH E LH- RH- SML LH+ LHM+ LIGHT CONTROL SWITCH LIN LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) OFF DRL OFF ORG/ WIRE PNK WIRE RED WIRE RH E RHM + RIGHT HEADLIGHT ASSEMBLY RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (AT RIGHT REAR SUSPENSION) SHB SHFL SBR SHRL SHG SHRR SMBL SMBR SMGL SMGL SMGR SMGR SML SMR SMR RH+ CANH CANL IGS IG SUSPENSION CONTROL ECU (RIGHT SIDE OF DASH) VIO WIRE W/ AIR SUSPENSION W/O AIR SUSPENSION WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 OUT 5 2 4 3 IGB SGND LRRD LRDD BLK WIRE BLU WIRE BRN WIRE CCHG COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH DISTANCE CONTROL DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LRRD LT BLU WIRE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (CENTER FRONT OF ENGINE COMPT) MODE ON OFF ORG/ WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT STEERING PAD SWITCH ASSEMBLY STEERING PAD SWITCH ASSEMBLY SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STOP LIGHT CONTROL RELAY ASSEMBLY (LEFT END OF DASH) STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) STP +B STP+ VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 IG ABSORBER CONTROL SWITCH AIR SUS FUSE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOWN FUSE GRN WIRE GRY WIRE HEIGHT CONTROL VALVE HARNESS ASSEMBLY HOT AT ALL TIMES HOT IN RUN OR START ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) INSTRUMENT PANEL J/B LDNS LUPS LEFT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY (LEFT REAR OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RIGHT FRONT HEIGHT CONTROL SENSOR SUB-ASSEMBLY (RIGHT REAR OF ENGINE COMPT) RM+ RM+ SHFR SBR SGR SHB SHFL SHFR SHG SHRL SLRL SLRR RM- SUSPENSION CONTROL ECU (RIGHT SIDE OF DASH) SUSPENSION CONTROL SWITCH TD DNSW UPSW VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR SUS FUSE AIR SUS RELAY BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSENBLY (NEAR LEFT REAR WHEEL) LH - LT BLU WIRE LT GRN WIRE ORG/ WIRE PNEUMATIC W/ TUBE TANK ASSEMBLY (BENEATH FRONT PASSENGER SEAT) PNK WIRE RED WIRE RH- RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSENBLY (NEAR RIGHT REAR WHEEL) SHB SHG SHRL SHRR SLEX SLFL SLFR PNK WIRE SLLO SUSPENSION CONTROL ECU (RIGHT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 TTRS TTLS TTLA 1 2 3 5 6 TSL TSR CLTE CLTS CLTB 17 9 10 3 HZSW CANP CANN 19 6 28 29 30 20 21 22 13 14 3 BCTY RCTY ALT ROOM J/B FUSE ASSEMBLY (LEFT FRONT FENDER APRON) AUTOMATIC LIGHT CONTROL SENSOR (TOP CENTER OF DASH) BLK WIRE BLK/ WHT WIRE BLU WIRE BRN WIRE CENTER STOP LIGHT ASSEMBLY COMPUTER DATA LINES SYSTEM CTRS D/L ALTB FUSE ECU-ACC FUSE ECU-IGI 1 FUSE ENGINE GRN WIRE GRY WIRE HEAD TAIL CLTB CLTS CLTE CANL CANH HAZ HMSL HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT QUARTERPANEL) LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR LIGHT ASSEMBLY LEFT REAR RIGHT REAR SIDE MARKER SIDE MARKER LIGHT LIGHT ASSEMBLY ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) NCA WIRE NOISE FILTER (CENTER STOP LIGHT ASSEMBLY) (CENTER REAR OF ROOF) ORG/ WIRE RED WIRE RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY RIGHT REAR LIGHT ASSEMBLY STP+ TAIL TAIL FUSE TAIL RELAY TOWING CONVERTER (RIGHT SIDE OF CARGO AREA) TRAILER HITCH TRN+ TRNI TRNR TURN VIO WIRE 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 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 (LEFT FRONT OF ENGINE COMPT) 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

14 13 TRLY FFGO 15 25 HRLY DRL 2 4 11 FLCY FRCY 6 5 3 2 1 CLTB CLTS CLTE 8 5 30 28 29 27 22 21 20 HF HU TAIL 9 10 8 21 CANP CANN RLEW LLEW COMPUTER DATA LINES SYSTEM AIR CONDITIONING TSR TSL SYSTEM AUTO TAIL OFF AUTOMATIC LIGHT CONTROL SENSOR (IF EQUIPPED) (TOP RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CANADA USA D/L ALTB 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 HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LCTY INTERIOR LIGHTS 6 19 SYSTEM RCTY BCTY 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 TAIL AUTO HEAD OFF DRL OFF DRL OFF TAIL FUSE TAIL RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

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 STRETCH TIM TIS VCE TES VCI WHT WIRE WHT/BLK WIRE YEL WIRE

ANTI-THEFT SYSTEM BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE C/OPN RELAY COMPUTER DATA LINES SYSTEM INSTRUMENT CLUSTER SYSTEM COOLING FANS SYSTEM RFC LGND CCS STA CRUISE CONTROL SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI MAIN F/PMP EFI 2 FUSE FUSE FUSE EFI MAIN RELAY ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) F/PUMP RELAY FPR MPMP FUEL PUMP, FUEL SENDER GAUGE ASSEMBLY (TOP OF FUEL TANK) GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT QUARTERPANEL) LT BLU WIRE LT GRN WIRE NEO ORG/ WIRE PNK ANTI-THEFT SYSTEM IMI WIRE PNK CRUISE CONTROL SYSTEM WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE SFTD IGSW IMO VPMP STP CCHG SFTU TACH TC TRANSMISSION CONTROL ECU ASSEMBLY (LEFT FRONT OF ENGINE COMPT) TRANSMISSION CONTROL SWITCH (UNDER CENTER CONSOLE) VCPA EPA PNK WIRE VIO WIRE WARNING SYSTEMS COMPUTER DATA LINES SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

A/F FUSE A/F RELAY BKUP LP FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CANISTER PRESSURE SENSOR CANISTER PUMP MODULE (CENTER REAR OF VEHICLE) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B 1 FUSE ENGINE ROOM J/B ASSEMBLY (LEFT FRONT FENDER APRON) ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) EXCD FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LEAK DETECTION PUMP LT BLU WIRE LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON RIGHT SIDE OF TRANSMISSION) PNK WIRE RED WIRE STOP FUSE STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL ASSEMBLY) VENT VALVE VIO WIRE VOLTAGE INVERTER ASSEMBLY WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE