Lexus RX III (2008-2012) blk Wiring diagrams

4 WHEEL DRIVE CONTROL SWITCH BLK WIRE BLU WIRE BRN WIRE BSF BSLC CANH COMPUTER DATA LINES SYSTEM CANL COMPUTER DATA LINES SYSTEM COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CONSOLE) FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LT BLU WIRE NCA WIRE OF CARGO AREA) ORG/ WIRE PNK CANH COMPUTER DATA LINES SYSTEM WIRE REAR SEAT) RED WIRE SLC+ SLC+ CANH SOLENOID (LEFT REAR OF VEHICLE) SSLC SLC- STEERING SENSOR (ON STEERING COLUMN) WHT WIRE WHT/BLK WIRE YAW RATE SENSOR ASSEMBLY (LEFT SIDE OF CENTER 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 25 26 BATT 120 46 2 25 27 NSW STA 34 25 38 27 10 11 MREL 55 56 57 58 59 60 VPA BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN (-) CAN (+) COMPUTER DATA LINES SYSTEM ECM (LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI MAIN EFI MAIN RELAY ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) ETA VCTA M+ M- FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE NCB NCO NTB NTO ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE SFTU SFTD CANH CANL SLU- SLU+ SLT- SLT+ STA NSW STP IGSW PNK WIRE STOP FUSE STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL ASSEMBLY) STP PNK WIRE THROTTLE W/ MOTOR BODY ASSEMBLY (REAR LEFT SIDE OF ENGINE) TRANSMISSION CONTROL ECU ASSEMBLY (LEFT FRONT OF ENGINE COMPT) VCPA EPA PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BKUP LP FUSE BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) FUSE GAUGE 2 FUSE GRN/RED WIRE GRY WIRE HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON RIGHT SIDE OF TRANSMISSION) PNK CANH WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT END OF DASH) RED WIRE STAR TRANSMISSION CONTROL SWITCH (UNDER CENTER CONSOLE) WHT WIRE WHT/BLK WIRE YEL WIRE

BACK DOOR LOCK ASSEMBLY (LOWER CENTER OF BACK DOOR) BACK DOOR OPENER SWITCH ASSEMBLY BK/DR LOCK RELAY BLK WIRE BLU WIRE CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM D/L ALT B FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LOCK LT GRN WIRE MAIN BODY ECU PNK WIRE RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 5 4 1 RSSI DATA +5 GND 5 15 16 RCO RDA RSSI ASSEMBLY (BEHIND LEFT SIDE OF DASH) BACK DOOR CONTROL SWITCH BACK DOOR LOCK ASSEMBLY (LOWER CENTER OF BACK DOOR) BACK DOOR OPENER SWITCH ASSEMBLY BLK WIRE BLU WIRE BRN WIRE BZR CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) COMPUTER CANN CANP DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CANH CANL CTY DLSW DOOR CONTROL RECEIVER DOOR CONTROL SWITCH ASSEMBLY ECU-B 1 FUSE FSW+ FUSE GRN WIRE GRY WIRE HAF HOT AT ALL TIMES HOT IN ON OR START MAIN BODY ECU HZSW IG (LEFT REAR OF LUGGAGE COMPT) ECUB GND INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT POWER BACK DOOR SENSOR (LEFT SIDE OF LIFTGATE) LOCK LT BLU WIRE LT GRN WIRE OSR OSE OSL PAWL MSW PBDS PNK 23 22 9 10 WIRE PNK FUL WIRE PNK WIRE POS POWER BACK DOOR MAIN SWITCH POWER BACK DOOR UNIT ASSEMBLY (LEFT REAR OF ROOF) POWER SIDE BACK DOOR WARNING BUZZER (IN BACK DOOR) RED WIRE RIGHT POWER BACK DOOR SENSOR TURN SIGNAL FLASHER ULSW VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

BLK WIRE BRN WIRE COMBINATION METER ASSEMBLY ECM (RIGHT FRONT OF ENGINE COMPT) FUEL FUEL FILLER OPENING LID LOCK SUB-ASSEMBLY (LEFT REAR OF VEHICLE) FUEL LID COURTESY SWITCH FUEL LID OPENER SWITCH FUGI FUO FUWI GRY WIRE HOT AT ALL TIMES FUEL OPN FUSE HOT IN ON OR START GAUGE 2 FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT "C" PILLAR) LIDO LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE WHT WIRE WHT/BLK WIRE 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 CAN L CAN H 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

+ECU 2 3 STA STAR 3 16 18 17 SLP BATTERY BLK WIRE BLU WIRE BRX CHECK CONNECTOR (REMOTE ENGINE STARTER) (RIGHT SIDE OF DASH) ECM (LEFT SIDE OF ENGINE COMPT) ECU-B 1 FUSE ENGINE COMPT) ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY ENGINE SWITCH FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) 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) RED WIRE REMOTE ENGINE STARTER (RIGHT SIDE OF DASH) ST FUSE (LEFT FRONT FENDER APRON) ST RELAY STARTER ASSEMBLY TRANSAXLE TRANSMISSION CONTROL ECU ASSEMBLY (LEFT FRONT OF WHT WIRE WHT/BLK WIRE YEL WIRE

27 28 29 30 -SR -SL +SR +SL ABFS AIR AIR BAG SENSOR ASSEMBLY (BELOW CENTER CONSOLE) ARON BBL+ BBL- BBL+ BCL+ BDL- BLK WIRE BLU WIRE BRN WIRE CANL PAON COMPUTER DATA LINES SYSTEM DK DK DK+ FUSE GRN WIRE ICL- INSTRUMENT PANEL J/B (LEFT SIDE GAUGE 2 FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) 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 (UNDER LEFT REAR SEAT) LEFT SIDE AIR BAG SENSOR ASSEMBLY (LEFT "B" PILLAR) LT GRN WIRE MULTI INFORMATION DISPLAY ASSEMBLY PASSENGER AIR BAG ON/OFF INDICATOR OF DASH) 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) RED WIRE RELAY ENERGIZED RL- RL+ LSP- LBE- SECOND STEP SFL- SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) SRL- VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 BDR+ BDR- BCR- BCR+ 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) BBR+ BCR+ BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU- FUSE FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FSR+ BBR+ BBR- 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) RIGHT SIDE AIR BAG SENSOR ASSEMBLY (RIGHT "B" PILLAR) SFR- SL- SR- SRR+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE