Lexus RX III facelift (2012-2015) spiral cable sub-assembly (in steering column) Wiring diagrams

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 ASSEMBLY CRUISE CONTROL 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 STEERING PAD SWITCH ASSEMBLY SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) 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

BHT BLU WIRE BTM EHT ETM- FUSE GAUGE 1 FUSE GRN WIRE HEATER UNIT INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) ORG/ WIRE PNK INTERIOR LIGHTS SYSTEM WIRE RED WIRE RELAY ENERGIZED RELAY ENERGIZED ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING HEATER SWITCH STEERING WHEEL HEATER CONTROL ASSEMBLY VIO WIRE WHT/BLK WIRE

ENGINE ROOM J/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) GRY WIRE HORN HORN ASSEMBLY (HIGH PITCH) (LEFT FRONT OF ENGINE COMPT) HORN ASSEMBLY (LOW PITCH) (RIGHT FRONT OF ENGINE COMPT) HORN FUSE HORN RELAY HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) MAIN BODY ECU RED WIRE SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY HORN SWITCH WHT WIRE

+S SI 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IG AMPLIFIER ASSEMBLY (CENTER REAR OF VEHICLE) BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CS CHK DCM (TELEMATICS TRANSCEIVER) DOWN ENGINE CONTROLS SYSTEM ENGINE OIL PRESSURE SWITCH ASSEMBLY (LOWER FRONT LEFT SIDE OF ENGINE) ENTER FR FE TX+ FUEL PUMP, FUEL SENDER (TOP OF FUEL TANK) GAUGE 2 FUSE GRN WIRE GRY WIRE HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEVEL WARNING SWITCH ASSEMBLY (FRONT RIGHT CORNER OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE MENU MSSL ET ES RHUP RHDW A/B NAVIGATION RECEIVER ASSEMBLY ORG/ WIRE PBLT PNK CANH CANL WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE RIGHT STEERING PAD SWITCH SKID CONTROL ECU W/ ACTUATOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) SOUND SYSTEMS SPDI SPDP SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT VIO WIRE W/ NAVIGATION W/ RADIO RECEIVER TYPE W/ RADIO, DISPLAY RECEIVER TYPE W/O NAVIGATION WATER TEMPERATURE SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

+ECU 30 13 BECU CANL 31 32 29 14 ALTB IG 32 13 14 SWG ILL- ILL+ 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 ENGINE ROOM J/B ASSEMBLY (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 ILL+ ILL- SWG HOOK HOT AT ALL TIMES HOT W/ ACC 1 RELAY ENERGIZED HOT W/ IG 2 RELAY ENERGIZED ILL DISPLAY (UNDER ASSEMBLY CENTER FLOOR CONSOLE) ILL ILL ILL- REMOTE OPERATION SWITCH LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) MENU MODE MULTI INFORMATION DISPLAY ASSEMBLY (W/ RADIO RECEIVER) MULTI- NAVIGATION RECEIVER ASSEMBLY OFF (CANADA) DRL OFF (USA) HEADLIGHT DIMMER SWITCH ASSEMBLY OVERHEAD MODULE ILL+ PANEL FUSE PNK ADIM WIRE PNK WIRE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED RIGHT STEERING PAD SWITCH SEEK SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY TAIL TAIL RELAY VIO WIRE VOICE VOLUME LEFT STEERING PAD SWITCH W/ NAVIGATION RECEIVER W/ RADIO RECEIVER W/ RADIO, DISPLAY RECEIVER WHT WIRE WHT/BLK WIRE YEL WIRE

ADPG AGND ALO ARO ASGN AUXO BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SEAT BELT WARNING LIGHT FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE NAVIGATION RECEIVER ASSEMBLY NCA WIRE NTSG NTSO OFF HOOK ON HOOK PNK WIRE RAD 1 FUSE RED WIRE RIGHT STEERING PAD SWITCH SEEK SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 UDO+ UJSG UPI VA- VAL+ VAR+ VIO WIRE VMTR VOICE MODE VOLUME- WHT WIRE WHT/BLK WIRE YEL WIRE

ADPG AGND ALO ARO ASGN AUXO BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FRONT PASSENGER'S SEAT BELT WARNING LIGHT FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE NAVIGATION RECEIVER ASSEMBLY NCA WIRE NTSG NTSO OFF HOOK ON HOOK PNK WIRE RAD 1 FUSE RED WIRE RIGHT STEERING PAD SWITCH SEEK SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 UDO+ UJSG UPI VA- VAL+ VAR+ VIO WIRE VMTR VOICE MODE VOLUME- WHT WIRE WHT/BLK WIRE YEL WIRE

ACAN ADIM BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS GRN WIRE GRY WIRE HEATER CONTROL PANEL (RADIO RECEIVER ASSEMBLY) LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE MACC MCO- NCA WIRE OFF HOOK ON HOOK OVERHEAD MODULE PNK WIRE REAR WINDOW DEFOGGER SWITCH RED WIRE RIGHT STEERING PAD SWITCH SEEK SEUC SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY TELEPHONE MICROPHONE VIO WIRE VOICE MODE VOLUME- W/ SAFETY CONNECT W/O SAFETY CONNECT WHT WIRE WHT/BLK WIRE YEL WIRE

ADPG AGND AIR ARON BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS ECU-ACC FUSE FRONT WIPER DEICER SWITCH GAUGE 1 FUSE GIVF GRN WIRE GRY WIRE ILL INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT STEERING PAD SWITCH LT BLU WIRE LT GRN WIRE MACC MIN MODE MULTI- DISPLAY ASSEMBLY NCA WIRE OFF HOOK ON HOOK PASSENGER AIR BAG ON/OFF INDICATOR PBEW PBLT PNK WIRE RADIO 2 FUSE RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED RIGHT STEERING PAD SWITCH SEEK SEUC SGND SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SUPPLEMENTAL RESTRAINTS SYSTEM SWG VA- VAL+ VAR+ VIO WIRE VMTI VOICE VOLUME- WHT WIRE WHT/BLK WIRE 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 GND 27 28 29 30 -SR -SL +SR +SL ABFS AIR AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) ARON BBL- BBL+ BCL+ BDL- BLK WIRE BLU WIRE BRN WIRE CANL PAON CASE) COMPUTER DATA LINES SYSTEM DK DK DK+ FUSE GRN WIRE GRY WIRE ICL- INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) GAUGE 2 FUSE LEFT CURTAIN SHIELD AIR BAG ASSEMBLY (LEFT SIDE OF ROOF) LEFT DOOR SIDE AIR BAG SENSOR (BASE OF LEFT "B" PILLAR) LEFT FRONT SIDE AIR BAG SQUIB CIRCUIT (IN DRIVER'S SEAT BACK) LEFT REAR AIR BAG SENSOR (LEFT "C" PILLAR) LEFT REAR SIDE AIR BAG SQUIB CIRCUIT LT GRN WIRE MULTI INFORMATION DISPLAY ASSEMBLY PASSENGER AIR BAG ON/OFF INDICATOR NAVIGATION RECEIVER ASSEMBLY PASSENGER AIR BAG ON/OFF INDICATOR P- P+ D+ D- P-AB P-AB GSW PK+ PK- PAON PK- POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) PRETENSIONER LEFT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF LEFT "B" PILLAR) PRETENSIONER OUTER LEFT REAR SEAT BELT ASSEMBLY 1 (LEFT "C" PILLAR) RADIO, DISPLAY RECEIVER ASSEMBLY PASSENGER AIR BAG ON/OFF INDICATOR RED WIRE RELAY ENERGIZED RL- RL+ LSP- LBE- SECOND STEP SFL- SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) SRL- VIO WIRE W/ RADIO RECEIVER TYPE W/ RADIO, DISPLAY RECEIVER TYPE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE