Lexus RX III (2008-2012) hot in on or acc 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

+ECU 1 2 INTERIOR LIGHTS SYSTEM RCYL LSWR DOOR LOCKS SYSTEM 12 13 14 15 PKB FFGO TRLY HRLY HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM 24 25 26 27 28 29 30 31 32 GSW DRL 5 6 PBDS TRUNK, TAILGATE, FUEL DOORS SYSTEM 8 7 CANP CANN 8 9 PNK CANN CANP WIRE ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM DOOR LOCKS SYSTEM BECU ALTB IG BLK WIRE BLU WIRE BRN WIRE D/L ALT B FUSE DMDR DMON INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM ECU, SWITCH ASSEMBLY (LEFT SIDE OF DRIVER'S SEAT CUSHION) ECU- IG 1 FUSE EXTERIOR LIGHTS SYSTEM HZSW FRONT DOOR) FUSE GRN WIRE GRY WIRE HCTY BZR HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM RLEW CANP CANN HORN HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILE FLCY FRCL FRCY LSWL TR+ ACTG ACT- ACT+ ACTD 2 3 4 5 6 7 8 9 10 IND INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT POSITION CONTROL LEFT FRONT POWER WINDOW LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN LEFT REAR DOOR) LIN LIN 1 LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ORG/ WIRE PNK WIRE RED WIRE RIGHT FRONT POWER WINDOW RIGHT REAR POWER WINDOW REGULATOR SLIDING ROOF CONTROL ECU (CENTER FRONT OF ROOF) SUPPLEMENTAL RESTRAINTS SYSTEM HEADLIGHTS SYSTEM VIO WIRE W/ POWER BACK DOOR W/O POWER BACK DOOR WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HDLO LLEW ACAN YEL WIRE

+ECU 26 25 DMON DMDR 3 1 FRCL ILE 31 32 29 ALTB IG 4 11 FRCY BLK WIRE BLU WIRE BRN WIRE CANN CANP COMPUTER DATA LINES SYSTEM CSPT CTY CTY GND D/L ALT B FUSE DOME FUSE FLCL FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILLB LILL ILLB RGND LCTY LCYL LEFT FRONT COURTESY LIGHT ASSEMBLY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT "B" PILLAR) LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY (ON LEFT FRONT DOOR) LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT REAR "C" PILLAR) LP HTR- LT BLU WIRE LT GRN WIRE MAIN BODY ECU INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) ORG/ WIRE OVERHEAD MODULE PNK WIRE RCTY RCYL RED WIRE RIGHT FRONT COURTESY LIGHT ASSEMBLY RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT RIGHT "B" PILLAR) RIGHT REAR COURTESY LIGHT ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT RIGHT REAR "C" PILLAR) RRMP SHFT RGND DOOR CILL SPORT LIGHT ASSEMBLY VIO WIRE WHT 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

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

+ECU 30 13 BECU CANL 31 32 29 14 ALTB IG ACAN BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONSOLE BOX ILLUMINATION LIGHT ASSEMBLY D/L ALT B FUSE DC/DC FUSE DISTANCE CONTROL DOOR CONTROL SWITCH ASSEMBLY ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) ENTER FRONT WIPER DEICER SWITCH FUSE GAUGE 2 FUSE GLOVE BOX LIGHT ASSEMBLY GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEAD TAIL AUTO HEATER CONTROL PANEL (RADIO RECEIVER ASSEMBLY) ADIM HOOK HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILL ILL ILL- REMOTE OPERATION SWITCH LEFT STEERING PAD SWITCH LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) MENU MODE MONITOR MULTI INFORMATION DISPLAY ASSEMBLY MULTI- ILL DISPLAY ASSEMBLY NAVIGATION RECEIVER ASSEMBLY (W/ NAVIGATION) OFF (CANADA) DRL OFF (USA) HEADLIGHT DIMMER SWITCH ASSEMBLY PANEL FUSE PNK ADIM WIRE PNK WIRE RED WIRE SEEK SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SWG TAIL TAIL RELAY VIO WIRE VOICE VOLUME RIGHT STEERING PAD SWITCH W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CANH CANL SWG COMPUTER DATA LINES SYSTEM CB+ COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM TX+ TX- PNK WIRE CV+ ECU-ACC FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE 1 FUSE GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IEEE IEEE CONNECTOR (UNDER CENTER CONSOLE) IG MACC MIN+ MIN- SGND INSTRUMENT PANEL J/B LT BLU WIRE LT GRN WIRE MACC MCI- MCO- MCVD MUTE NAVIGATION RECEIVER ASSEMBLY NCA WIRE NTSO V+ CA+ ORG/ WIRE OVERHEAD MODULE PARKING BRAKE SWITCH ASSEMBLY (LEFT END OF DASH) PKB SPD INSTRUMENT CLUSTER SYSTEM PNK WIRE RAD 1 FUSE RAD 3 FUSE REAR TELEVISION CAMERA ASSEMBLY (LOWER CENTER OF BACK DOOR) RED WIRE SGND SPI+ SPO- TELEPHONE MICROPHONE ASSEMBLY USB USBG USBV V- CGND VIO WIRE VOR- VOT+ VV+ NTSF VMTF VV- W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE YEL WIRE

+B TX- TX+ PNK 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 27 28 +B 1 3 5 BI SI EI PNK WIRE 1 5 3 6 4 2 BI EI SI EO SO BO 2 1 PNK WIRE 23 13 14 10 SWG TX+ TX- BLK WIRE BLU WIRE BRN WIRE CANL CANH BLSW TX- TX+ CB+ CLEARANCE WARNING BUZZER 1 (CENTER OF DASH) COMPUTER DATA LINES SYSTEM CV+ CV- CV+ CGND CB+ SCV- SCV+ SGND SCB+ EF BBZ ENGINE ROOM FUSE GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT STEERING PAD SWITCH LEFT ULTRASONIC SENSOR 1 (LEFT FRONT CORNER OF ENGINE COMPT) LEFT ULTRASONIC SENSOR 2 (BEHIND REAR BUMPER) LEFT ULTRASONIC SENSOR 3 (BEHIND REAR BUMPER) LT BLU WIRE MONITOR MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY (UNDER CENTER CONSOLE) NAVIGATION RECEIVER ASSEMBLY NCA WIRE ORG/ WIRE PARKING ASSIST ECU (RIGHT SIDE OF DASH) PNK WIRE RAD 1 FUSE RAD 3 FUSE R/B ASSEMBLY (ON LEFT SIDE SIDE OF ENGINE COMPT) RADIO 2 FUSE RED WIRE RIGHT ULTRASONIC SENSOR 1 (RIGHT FRONT CORNER OF ENGINE COMPT) RIGHT ULTRASONIC SENSOR 3 (BEHIND REAR BUMPER) SCB+ SCV+ SGND SIDE TELEVISION CAMERA ASSEMBLY (FRONT PASSENGER'S DOOR) SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CANH CANL SWG COMPUTER DATA LINES SYSTEM CB+ COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM TX+ TX- PNK WIRE CV+ ECU-ACC FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE 1 FUSE GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IEEE IEEE CONNECTOR (UNDER CENTER CONSOLE) IG MACC MIN+ MIN- SGND INSTRUMENT PANEL J/B LT BLU WIRE LT GRN WIRE MACC MCI- MCO- MCVD MUTE NAVIGATION RECEIVER ASSEMBLY NCA WIRE NTSO V+ CA+ ORG/ WIRE OVERHEAD MODULE PARKING BRAKE SWITCH ASSEMBLY (LEFT END OF DASH) PKB SPD INSTRUMENT CLUSTER SYSTEM PNK WIRE RAD 1 FUSE RAD 3 FUSE REAR TELEVISION CAMERA ASSEMBLY (LOWER CENTER OF BACK DOOR) RED WIRE SGND SPI+ SPO- TELEPHONE MICROPHONE ASSEMBLY USB USBG USBV V- CGND VIO WIRE VOR- VOT+ VV+ NTSF VMTF VV- W/ LEXUS ENFORM W/O LEXUS ENFORM WHT WIRE WHT/BLK WIRE YEL WIRE

+B SPI+ SPI- 1 2 3 4 5 6 7 USB USBG VOT+ USBV VOT- VOR- VOR+ 5 3 4 1 BBO- AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BACKUP BATTERY (MAYDAY BATTERY) (RIGHT SIDE OF DASH) BBI+ BBO- BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DCM (TELEMATICS TRANSCEIVER) (UNDER CENTER CONSOLE) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GPS ANTENNA GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILL+ GSW SIL SIG- INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE MACC MAYDAY/TEL FUSE MCO- MIN MUTE MCO+ MCO- NAVIGATION RECEIVER ASSEMBLY (W/ NAVIGATION) NCA WIRE ORG/ WIRE OVERHEAD MODULE PNK 10 4 FR- FR+ WIRE PNK WIRE RADIO 2 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT FRONT SPEAKER ASSEMBLY 2 RIGHT FRONT SPEAKER ASSEMBLY 3 RRID SGND SGND MCVD MCI+ MCI- SLED SPDP SPO+ SPO- STEREO COMPONENT AMPLIFIER ASSEMBLY (LUGGAGE COMPT) TELEPHONE ANTENNA TMUT TWR- TWR+ USB USBG USBV VIO WIRE VOR- VOT+ W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE