Lexus RX III (2008-2012) vio 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 ASSEMBLY (BELOW CENTER CONSOLE) BLK WIRE BLU WIRE BRN WIRE CANL CANH CANN CANP CERTIFICATION NAVIGATION ECU ASSEMBLY RECEIVER (RIGHT SIDE ASSEMBLY OF DASH) COMBINATION METER ASSEMBLY CSPT DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS 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 LSFR BCTY CLTB CLTS CLTE LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) ORG/ WIRE PNK FFOG WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) POWER STEERING ECU ASSEMBLY (LEFT END OF DASH) RED WIRE SKID CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) STEERING SENSOR (IN STEERING COLUMN) VIO WIRE W/ POWER BACK DOOR W/O POWER BACK DOOR WHT WIRE YAW RATE SENSOR ASSEMBLY (UNDER CENTER FLOOR CONSOLE) YEL WIRE

11 35 34 TC 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 13 14 CANP CANN CANL CANH A/C AMPLIFIER (RIGHT SIDE OF DASH) (RIGHT SIDE OF DASH) AIRBAG 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 ASSEMBLY (RIGHT SIDE OF DASH) TOP OF ENGINE) VIO WIRE W/ POWER BACK DOOR W/O POWER BACK DOOR 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 COMBINATION METER ASSEMBLY DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) ECU ASSEMBLY (RIGHT SIDE OF DASH) GRN WIRE GRY WIRE LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN LEFT REAR DOOR) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK CANH CANL WIRE PNK LIN WIRE PNK WIRE POWER BACK DOOR UNIT ASSEMBLY (LEFT REAR OF ROOF) POWER STEERING ECU ASSEMBLY (LEFT END OF DASH) RED WIRE SEAT BELT CONTROL ECU (RIGHT SIDE OF DASH) STEERING SENSOR (IN STEERING COLUMN) SUSPENSION CONTROL ECU (RIGHT SIDE OF DASH) VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE YAW RATE SENSOR ASSEMBLY YEL WIRE

1 2 13 12 PNK WIRE 13 5 TX- TX+ 14 13 PNK TX- TX+ WIRE 21 22 9 10 CANH CANL TXM+ TXM- 22 10 20 PNK WIRE 22 21 24 25 CANH CANL TX- TX+ 3 2 8 1 CANL CANH LCN- LCN+ 5 15 PNK ATX+ ATX- WIRE 7 19 6 18 TX+ TX- PNK WIRE 7 8 TX+ TX- 9 10 PNK TX+ TX- WIRE 9 10 TXM+ TXM- ASSEMBLY BLK WIRE BLU WIRE BRN WIRE FRONT ACTIVE STABILIZER CONTROL ECU ASSEMBLY (LEFT REAR OF LUGGAGE COMPT) GRN WIRE GRY WIRE HEATER CONTROL PANEL (RADIO LEFT "C" PILLAR) LIN LIN 1 LT BLU WIRE LT GRN WIRE METER MIRROR SUB-ASSEMBLY (LEFT SIDE OF DASH) MULTI INFORMATION DISPLAY ASSEMBLY MULTI- DISPLAY ASSEMBLY MULTI-MEDIA INTERFACE ECU MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NAVIGATION RECEIVER ASSEMBLY PARKING ASSIST ECU (RIGHT SIDE OF DASH) PNK WIRE REAR ACTIVE STABILIZER CONTROL ECU ASSEMBLY (LEFT REAR OF LUGGAGE COMPT) RECEIVER ASSEMBLY) RED WIRE ST-PLUG STEREO COMPONENT AMPLIFIER ASSEMBLY (LUGGAGE COMPT) VIO WIRE W/ NAVIGATION W/ MULTI-MEDIA INTERFACE ECU W/O MULTI-MEDIA INTERFACE ECU W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE

10 9 13 PNK WIRE 11 12 CANH CANL 12 25 CANH CANL COMPUTER DATA LINES SYSTEM A/C AMPLIFIER ASSEMBLY (RIGHT SIDE OF DASH) A/C PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU 1 (LEFT FRONT OF ENGINE COMPT) COOLING FAN ECU 2 (RIGHT FRONT OF ENGINE COMPT) ECM (RIGHT FRONT OF ENGINE COMPT) EFI ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FAN MOTOR 1 FUSE GRN WIRE HOT AT ALL TIMES LT GRN WIRE PNK WIRE PRE SG-2 RDI FAN 1 RDI FAN 2 RDI FAN RELAY 1 RDI FAN RELAY 2 RED WIRE RELAY ENERGIZED RFC VIO WIRE WHT WIRE WHT/BLK WIRE

+B MREL 10 11 14 35 34 17 COMPUTER DATA LINES SYSTEM 21 22 12 RR- RR+ RSS 23 22 13 FR- FR+ 25 12 4 3 21 16 CANL CANH 32 31 11 FL- FL+ FSS 4 16 STPO 6 35 19 27 26 34 18 17 MREL 85 86 118 119 28 29 108 VTA 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 ASSEMBLY (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 PARK/NEUTRAL POSITION SWITCH ASSEMBLY (ON TRANSMISSION) 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+ SKID CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) STOP FUSE THROTTLE W/ MOTOR BODY ASSEMBLY (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 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 OUT 21 22 12 RR- RR+ RSS 23 22 13 FR- FR+ 32 31 11 FL- FL+ FSS 4 16 STPO BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM FUSE 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) NCA WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR (RIGHT FRONT HUB ASSEMBLY) RIGHT REAR SPEED SENSOR (RIGHT REAR HUB ASSEMBLY) RL- RL+ SKID CONTROL ECU ASSEMBLY (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

18 22 SW 1 FDFI 40 1 PNK PNK FDEF IG+ WIRE A/C AMPLIFIER ASSEMBLY (RIGHT SIDE OF DASH) BLK WIRE BLU WIRE DEICER FUSE DEICER RELAY ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) DEICER SWITCH FRONT WIPER FRONT WIPER DEICER (WINDSHIELD GLASS) (LEFT REAR OF ENGINE COMPT) FRONT WIPER SWITCH (W/O NAVIGATION) GRN WIRE HEATER (LEFT SIDE FUSE OF DASH) HOT AT ALL TIMES INSTRUMENT PANEL J/B INTERIOR LIGHTS LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RELAY ENERGIZED SYSTEM VIO WIRE W/ NAVIGATION WHT WIRE WHT/BLK WIRE

1 2 DEF- DEF+ 38 11 12 DFG CANH CANL A/C AMPLIFIER ASSEMBLY (RIGHT SIDE OF DASH) BLK WIRE BLK/YEL WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B ASSEMBLY (LEFTSIDE 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) 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 RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY (ON RIGHT FRONT DOOR) RR DEF FUSE RR DEF RELAY ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE