Lexus RX III facelift (2012-2015) (left side of dash) Wiring diagrams

BLK WIRE FUSE GRN WIRE HEATER HEATER 2 IG ILL+ ILL- INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT SEAT HEATER CONTROL SUB-ASSEMBLY LH S-HTR FUSE ORG/ WIRE PNK SWL WIRE PNK WIRE RED WIRE RELAY ENERGIZED RH S-HTR FUSE RIGHT SEAT HEATER CONTROL SUB-ASSEMBLY RV SW SEAT BACK) SEAT CUSHION HEATER 1 SEAT HEATER SWITCH SWR THL THR+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 4 5 GND RSSI +5 DATA 15 5 16 RDA RCO RSSI 37 13 38 14 OPN DWN CLS UP GND 9 10 CANH CANL BLK WIRE BLU WIRE BRN WIRE BZR CANL CANH CERTIFICATION ECU ASSEMBLY COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) KEY LOCK KEY UNLOCK LEFT FRONT DOOR COURTESY LIGHT SWITCH (AT LEFT "B" PILLAR) LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY (IN DRIVER'S DOOR) LIN IG LT BLU WIRE LT GRN WIRE M- M+ MAIN BODY ECU INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) OPN DWN CLS UP OVERHEAD MODULE PNK 1 2 3 4 5 6 7 8 9 10 WIRE PNK CANH WIRE PNK IG WIRE RED WIRE S/ROOF FUSE SLIDING ROOF CONTROL ECU (CENTER FRONT OF ROOF) WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BZR CANL CANH COMPUTER DATA LINES SYSTEM DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE UP SWITCH ECU-B 1 FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY F/L DOOR FUSE FRONT PASSENGER SIDE CONTROL SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LED LEFT FRONT DOOR COURTESY LIGHT SWITCH (AT LEFT "B" PILLAR) LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN DRIVER'S DOOR) LEFT REAR SIDE CONTROL SWITCH LIN LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ORG/ WIRE PNK WIRE RED WIRE RIGHT REAR SIDE CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDOW LOCK SWITCH WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

+B PGND 1 2 3 4 5 6 7 8 9 10 MOR- MOR+ MOL+ MOL- 1 2 3 4 5 6 7 8 CANH CANL 24 23 CANL CANH PNK WIRE 38 16 30 17 39 LRRD LRDD BLK WIRE BLU WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IGB LRDD LRRD INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF LEFT "B" PILLAR) LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (CENTER FRONT OF ENGINE COMPT) ORG/ WIRE PNK WIRE PSB FUSE RED WIRE RELAY ENERGIZED RIGHT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF RIGHT "B" PILLAR) SEAT BELT CONTROL ECU (RIGHT SIDE OF DASH) SKID CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AGND ALO ARO ASGN ATX- AUXO BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) GAUGE 1 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B LT BLU WIRE LT GRN WIRE MAIN ANTENNA MIN+ MACC MIN- SGND MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PNK ATX- WIRE PNK TX+ TX- IVO+ IVO- WIRE PNK WIRE R- L- GND RAD 3 FUSE RADIO 2 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED SDARS ANTENNA STEREO JACK ADAPTER ASSEMBLY 1 SUB ANTENNA SWG TXM- TXM+ UDO+ UJSG UPI VAR+ VA- VAL+ AGND ADPG ADIM VIO WIRE WHT 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

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE GRN WIRE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) P POSITION DETECTION SWITCH PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE RELAY ENERGIZED SHIFT LEVER POSITION SWITCH SHIFT LOCK CONTROL ECU SUB-ASSEMBLY (UNDER CENTER CONSOLE, BESIDE SHIFT LEVER) SHIFT LOCK SOLENOID SLS+ SLS- STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+ECU 2 3 STA STAR 3 18 17 SLP 5 7 PNK WIRE BATTERY BLK WIRE BLU WIRE BRX CHARGING SYSTEM CHECK CONNECTOR (REMOTE ENGINE STARTER) (RIGHT SIDE OF DASH) ECM (LEFT SIDE OF ENGINE COMPT) ECU-B 1 FUSE ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY ENGINE SWITCH FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY PNK BTX WIRE PNK NSW WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) REMOTE ENGINE STARTER (RIGHT SIDE OF DASH) ST FUSE (LEFT FRONT FENDER APRON) ST RELAY STARTER ASSEMBLY TRANSAXLE TRANSMISSION CONTROL ECU ASSEMBLY (6 SPEED A/T) TRANSMISSION CONTROL ECU ASSEMBLY (8 SPEED A/T) (RIGHT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE

3 2 IGE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPARTMENT) FUSE GRN WIRE HOT AT ALL TIMES ID CODE BOX (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LIN LIN 1 PNK 64 34 33 2 12 3 WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE RELAY ENERGIZED SL/R SLP STEERING LOCK ACTUATOR ASSEMBLY (ON STEERING COLUMN) STR LOCK FUSE WHT/BLK WIRE

1 2 B+ DIA 1 2 BDR- BDR+ 14 15 PNK WIRE 24 23 6 1 13 CANL CANH ES IG+ PNK WIRE 4 5 6 7 8 9 10 11 12 FSR- BGND AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BCR+ BDR BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FSR+ BBR+ BBR- FUSE GRN WIRE GRY WIRE GSW HOT AT ALL TIMES ICR+ IG FSR+ BSW INSTRUMENT MAIN PANEL J/B BODY (LEFT SIDE ECU OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PNK WIRE RED WIRE RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY (RIGHT SIDE OF ROOF) RIGHT DOOR SIDE AIR BAG SENSOR (BASE OF RIGHT "B" PILLAR) RIGHT FRONT SEAT INNER BELT ASSEMBLY (UNDER FRONT PASSENGER'S SEAT) RIGHT FRONT SIDE AIR BAG SQUIB CIRCUIT (IN FRONT PASSENGER'S SEAT BACK) RIGHT REAR AIR BAG SENSOR (RIGHT "C" PILLAR) RIGHT REAR SIDE AIR BAG SQUIB CIRCUIT (RIGHT "C" PILLAR) SFR- SL- SR- SRR+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE