Lexus RX III facelift (2012-2015) yel Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 FLCL DIM LCTY LCYL AIR BAG SENSOR (UNDER ASSEMBLY LEFT (BELOW SIDE OF CENTER DASH) CONSOLE) BLK WIRE BLU WIRE BRN WIRE CANL CANH DRL CANN CANP CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) CLTB CLTS CLTE COMBINATION METER ASSEMBLY CSPT DOMR DOOR LOCKS SYSTEM ECM (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRY WIRE HEAD TAIL HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM HU RCTY LSFL HF INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) NAVIGATION RECEIVER ASSEMBLY ORG/ WIRE PNK FFOG WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) POWER STEERING ECU ASSEMBLY (LEFT END OF DASH) RADIO, DISPLAY RECEIVER ASSEMBLY RED WIRE SKID CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) STEERING SENSOR (IN STEERING COLUMN) VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE YAW RATE SENSOR ASSEMBLY (UNDER CENTER FLOOR CONSOLE) YEL WIRE

11 35 34 TC 13 14 CANL CANH 13 22 CANH CANL 16 15 14 13 12 11 10 9 8 7 6 BAT 4 3 2 1 CG 42 12 25 26 13 TC CANH CANL CAN- CAN+ 9 10 CANP CANN A/C AMPLIFIER (RIGHT SIDE (RIGHT SIDE OF DASH) OF DASH) AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) BLK WIRE BLU WIRE BRN WIRE CANL TC TS CANN CANP CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) DCM (TELEMATICS TRANSCEIVER) (UNDER CENTER CONSOLE) DIA ECM (RIGHT FRONT OF ENGINE COMPT) GRN WIRE GRY WIRE HEADLIGHT SWIVEL ECU ASSEMBLY (LEFT END OF DASH) HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INIT LEFT FRONT POSITION CONTROL ECU, SWITCH ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) LIN LIN 1 LIN 2 LINK CONNECTOR) (UNDER LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE LVL SIL CANH MAIN BODY ECU INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) OBD FUSE OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE SIL SKID CONTROL ECU (RIGHT SIDE OF DASH) TOP OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 7 CANH CANL 3 2 CANH CANL 4 3 CANH CANL BLK WIRE BLU WIRE BRN WIRE CANN CANP CLEARANCE WARNING ECU ASSEMBLY COMBINATION METER ASSEMBLY DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) GRN WIRE GRY WIRE LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN LEFT REAR DOOR) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK CANH CANL WIRE PNK WIRE POWER BACK DOOR UNIT ASSEMBLY (LEFT REAR OF ROOF) POWER STEERING ECU ASSEMBLY (LEFT END OF DASH) RADIO, DISPLAY RECEIVER ASSEMBLY (IF EQUIPPED) RED WIRE REMOTE OPERATION SWITCH SEAT BELT CONTROL ECU (RIGHT SIDE OF DASH) STEERING SENSOR (IN STEERING COLUMN) VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE YAW RATE SENSOR ASSEMBLY YEL WIRE

13 5 TX- TX+ 22 10 20 PNK WIRE 5 15 PNK ATX+ ATX- WIRE 7 19 TX+ TX- PNK WIRE 7 8 TX+ TX- 9 10 PNK TX+ TX- WIRE 9 10 TXM+ TXM- BLK WIRE BLU WIRE BRN WIRE GRN WIRE GRY WIRE HEATER CONTROL PANEL (RADIO LEFT "C" PILLAR) LEFT BLIND SPOT MONITOR SENSOR (BEHIND LEFTSIDE OF REAR FASCIA) LIN LIN 1 LT BLU WIRE METER MIRROR SUB-ASSEMBLY (LEFT SIDE OF DASH) MULTI INFORMATION DISPLAY ASSEMBLY MULTI- DISPLAY ASSEMBLY MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NAVIGATION RECEIVER ASSEMBLY (W/ NAVIGATION) PNK WIRE RADIO RECEIVER ASSEMBLY RECEIVER ASSEMBLY) RED WIRE RIGHT BLIND SPOT MONITOR SENSOR (BEHIND RIGHT SIDE OF REAR FASCIA) ST-PLUG STEREO COMPONENT AMPLIFIER ASSEMBLY (LUGGAGE COMPT) VIO WIRE W/O NAVIGATION, RADIO, DISPLAY RECEIVER TYPE W/O NAVIGATION, W/ RADIO, DISPLAY RECEIVER TYPE WHT WIRE WHT/BLK WIRE YEL WIRE

+B MREL 10 11 14 35 34 COMPUTER DATA LINES SYSTEM 21 22 RR- RR+ 23 22 FR- FR+ 23 24 21 PNK COMPUTER DATA LINES SYSTEM CANH CANL CHK WIRE 25 12 4 3 21 16 CANL CANH 32 31 FL- FL+ 4 16 STPO ACCELERATOR POSITION SENSOR (ON ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECM (RIGHT FRONT OF ENGINE COMPT) EFI EFI MAIN RELAY MAIN FUSE ENGINE ROOM R/B 2 (LEFT REAR OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES HV R/B 1 FUSE IGCT 3 FUSE IGCT MAIN RELAY LEFT FRONT SPEED SENSOR (LEFT FRONT HUB ASSEMBLY) LEFT REAR SPEED SENSOR (LEFT REAR HUB ASSEMBLY) LT GRN WIRE M- M+ 1 2 3 5 4 6 NCA WIRE ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT HUB ASSEMBLY) RIGHT REAR SPEED SENSOR (RIGHT REAR HUB ASSEMBLY) RL- RL+ SHIFT LEVER POSITION SENSOR SKID CONTROL ECU (RIGHT SIDE OF DASH) STOP FUSE THROTTLE W/ MOTOR BODY (RIGHT REAR OF ENGINE) VCTA ETA M+ M- VIO WIRE 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 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

+B MREL 25 12 4 3 21 16 CANL CANH 6 11 35 19 27 26 34 18 17 MREL ACCELERATOR POSITION SENSOR (ON ACCELERATOR PEDAL ASSEMBLY) ASSEMBLY (IN STEERING COLUMN) BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH ASSEMBLY CRUISE CONTROL SWITCH ECM (RIGHT FRONT OF ENGINE COMPT) EFI EFI MAIN RELAY MAIN FUSE ENGINE ROOM R/B 2 (LEFT REAR OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES HV R/B 1 FUSE IGCT 3 FUSE IGCT MAIN RELAY LT GRN WIRE M- M+ 1 2 3 5 4 6 NCA WIRE ON OFF ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE SHIFT LEVER POSITION SENSOR SPIRAL CABLE SUB- STOP FUSE THROTTLE W/ MOTOR BODY (RIGHT REAR OF ENGINE) VCTA ETA M+ M- WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 OUT 21 22 RR- RR+ 23 22 FR- FR+ 32 31 FL- FL+ 4 16 STPO BLK WIRE COMPUTER DATA LINES SYSTEM GRN WIRE INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LEFT FRONT SPEED SENSOR (LEFT FRONT HUB ASSEMBLY) LEFT REAR SPEED SENSOR (LEFT REAR HUB ASSEMBLY) RED WIRE RIGHT FRONT SPEED SENSOR (RIGHT FRONT HUB ASSEMBLY) RIGHT REAR SPEED SENSOR (RIGHT REAR HUB ASSEMBLY) RL- RL+ SKID CONTROL ECU (RIGHT SIDE OF DASH) STOP LIGHT CONTROL RELAY ASSEMBLY (LEFT END OF DASH) STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) STP +B VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CANH 1 2 3 4 5 6 7 8 PNK WIRE 1 2 3 4 5 6 R+ 1 2 3 4 5 CBP 1 2 PIG PGND 1 2 PIG VGND ASST BLK WIRE BLU WIRE BRN WIRE CBPE CEP CEPF COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B 1 FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) EPS FUSE EPS FUSE ASSEMBLY (LEFT REAR OF LUGGAGE COMPT) FUSE FUSIBLE LINK BLOCK GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT W/ HV BATTERY JUNCTION BLOCK ASSEMBLY (LEFT SIDE OF LUGGAGE COMPT) IG DDOK ASST INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MOTOR RESOLVER NCA WIRE ORG/ WIRE PNK CANH WIRE PNK IG CANL WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) POWER STEERING CONVERTER ASSEMBLY POWER STEERING ECU ASSEMBLY (LEFT END OF DASH) POWER STEERING MOTOR POWER STEERING MOTOR ASSEMBLY (INTEGRAL TO POWER POWER STEERING TORQUE SENSOR (INTEGRAL TO POWER STEERING ECU ASSEMBLY) PSOK RCOS RSIN RED WIRE RELAY ENERGIZED RGND SKID CONTROL ECU (RIGHT SIDE OF DASH) STEERING ECU ASSEMBLY) STEERING SENSOR (IN STEERING COLUMN) TORQUE SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 DEF- DEF+ 38 11 12 DFG CANH CANL A/C AMPLIFIER (RIGHT SIDE OF DASH) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) F/L DOOR FUSE F/R DOOR FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HTR INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) L/P LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY (ON LEFT FRONT DOOR) LT GRN WIRE PNK WIRE REAR WINDOW DEFOGGER RED WIRE RELAY ENERGIZED ENGINE ROOM R/B FUSE ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT FRONT DOOR) RR DEF FUSE RR DEF RELAY WHT WIRE WHT/BLK WIRE YEL WIRE