Lexus RX III (2008-2012) instrument panel j/b (left side of dash) Wiring diagrams

1 5 8 9 PNK WIRE 23 24 PNK CANH CANL WIRE 26 20 25 PNK IG WIRE AFS FUSE (ON LEFT SIDE OF ENGINE COMPT) AUTO TAIL BLK WIRE BLU WIRE BRN WIRE CANADA USA COMBINATION METER ASSEMBLY COMPUTER DATA INIT LINES SYSTEM COMPUTER DATA LINES SYSTEM D/L ALTB FUSE ECU- IG 1 FUSE ECU-ACC FUSE ECU-B 1 FUSE ECU-IG 1 3 FUSE ENGINE ROOM R/B ASSEMBLY FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD CANL CANH COMPUTER DATA LINES SYSTEM HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT SWIVEL ECU ASSEMBLY (LEFT END W/ DISPLAY W/O DISPLAY OF DASH) HID TYPE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT HEADLIGHT ASSEMBLY LH E LH- RH- SML LH+ LHM+ LIGHT CONTROL SWITCH LIN LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) OFF DRL OFF ORG/ WIRE PNK WIRE RED WIRE RH E RHM + RIGHT HEADLIGHT ASSEMBLY RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (AT RIGHT REAR SUSPENSION) SHB SHFL SBR SHRL SHG SHRR SMBL SMBR SMGL SMGL SMGR SMGR SML SMR SMR RH+ CANH CANL IGS IG SUSPENSION CONTROL ECU (RIGHT SIDE OF DASH) VIO WIRE W/ AIR SUSPENSION W/O AIR SUSPENSION WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 GND SLD+ 6 3 4 GND FWD BACK BLK WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CANN CANN CANP PRDC CANP COMPUTER DATA LINES SYSTEM CSNF CSNR ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF OF ENGINE COMPT) GRN WIRE GRY WIRE HOLD HOT AT ALL TIMES HOT AT ALL TIMES ECU- B 1 FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT LUMBAR SUPPORT FORWARD, BACK MOTOR ASSEMBLY LEFT FRONT POWER SEAT CUSHION CONTROL MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT LIFT POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT RECLINING POSITION MOTOR ASSEMBLY (IN DRIVER'S SEAT BACK) LEFT FRONT POWER SEAT SLIDE POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT POWER SEAT VERTICAL POSITION MOTOR ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT SEAT OUTER BELT ASSEMBLY (BASE OF LEFT "B" PILLAR) LEFT POWER SEAT FRONT SWITCH ASSEMBLY LEFT SEAT VARIABLE CUSHION SWITCH LFT- RCL- LT BLU WIRE LT GRN WIRE MSWE O/P P-SEAT LH FUSE PNK WIRE RED WIRE RELEASE SEAT MEMORY SWITCH SET- SGND SSRS PVCC PBCL SLD- FRV- +B FRV+ LFT+ RCL+ SYSB VCC PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR BAG SENSOR ASSEMBLY BACK DOOR CONTROL SWITCH BACK DOOR OPENER SWITCH ASSEMBLY BLK WIRE BRN WIRE CENTER STOP LIGHT ASSEMBLY COMBINATION METER ASSEMBLY FRONT POWER POINT SOCKET ASSEMBLY ID CODE BOX INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/C LEFT ELECTRICAL KEY ANTENNA LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY LEFT REAR LIGHT ASSEMBLY MAIN BODY ECU MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NCA WIRE OPTION CONNECTOR (GLASS BREAKAGE SENSOR ECU ASSEMBLY) POWER MANAGEMENT CONTROL ECU POWER SLIDE BACK DOOR WARNING BUZZER REAR WINDOW DEFOGGER REAR WIPER, MOTOR, BRACKET ASSEMBLY RIGHT REAR LIGHT ASSEMBLY SPIRAL CABLE SUB-ASSEMBLY TRANSMISSION CONTROL SWITCH TURN SIGNAL SEAT FLASHER HEATER POWER ASSEMBLY SWITCH SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YAW RATE SENSOR ASSEMBLY

14 13 TRLY FFGO 15 25 HRLY DRL 2 4 11 FLCY FRCY 6 5 3 2 1 CLTB CLTS CLTE 8 5 30 28 29 27 22 21 20 HF HU TAIL 9 10 8 21 CANP CANN RLEW LLEW COMPUTER DATA LINES SYSTEM AIR CONDITIONING TSR TSL SYSTEM AUTO TAIL OFF AUTOMATIC LIGHT CONTROL SENSOR (IF EQUIPPED) (TOP RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CANADA USA D/L ALTB FUSE DIMMER SWITCH ECU-ACC FUSE ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FOG LIGHT SWITCH FR FOG FUSE FR FOG RELAY FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD FFOG CLTE CLTS CLTB PNK WIRE HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LCTY INTERIOR LIGHTS 6 19 SYSTEM RCTY BCTY LEFT FOG LIGHT ASSEMBLY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) ORG/ WIRE PARKING BRAKE SWITCH PD FUSE PNK WIRE RED WIRE RIGHT FOG LIGHT ASSEMBLY TAIL AUTO HEAD OFF DRL OFF DRL OFF TAIL FUSE TAIL RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL 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 64 15 56 54 PNK WIRE BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CS CHK DCM (TELEMATICS TRANSCEIVER) DOWN ENGINE CONTROLS SYSTEM PNK WIRE ENGINE OIL PRESSURE SWITCH ASSEMBLY (LOWER LEFT FRONT 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 LT BLU WIRE LT GRN WIRE LUGGAGE COMPT) MENU MSSL ET ES RHUP RHDW A/B NAVIGATION RECEIVER ASSEMBLY ORG/ WIRE P/SB PBLT PNK CANH CANL WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RADIO RECEIVER ASSEMBLY RED WIRE RIGHT STEERING PAD SWITCH SEATS SYSTEM SKID CONTROL ECU ASSEMBLY (RIGHT SIDE OF DASH) SOUND SYSTEMS SPDI SPDP SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT AMPLIFIER ASSEMBLY VIO WIRE W/ NAVIGATION W/O NAVIGATION WATER TEMPERATURE SWITCH (UNDER FRONT CENTER OF VEHICLE) WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 LMVR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 RMVR 1 2 3 4 5 6 7 8 9 MM 10 11 12 13 14 ECI- BDR BDR CANH CANP ECI+ PNK WIRE BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CANN CANP CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM MIRRORS SYSTEM EC+ ECI+ ECI+ MSWE BDR ECU-B 1 FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) F/L DOOR FUSE F/R DOOR FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY (IN LEFT FRONT DOOR) LMHR LM+R MR- HTR- HSSR LT BLU WIRE LT GRN WIRE MAIN BODY ECU MIRROR ADJUST SWITCH MIRROR AUTO RETRACT SWITCH MIRROR RETRACT SWITCH MIRROR SELECT SWITCH MIRRORS SYSTEM MR+ HTR+ LVC VSSR EC+ MR+ HTR+ RVC VSSR EC+ MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ORG/ WIRE PNK WIRE RED WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY (IN RIGHT FRONT DOOR) RMHR RM+R MR- HTR- HSSR SEAT MEMORY SWITCH SET- SIG CPUB GND CANN CANP SIG CPUB PNK WIRE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

2 5 4 1 RSSI DATA +5 GND 5 15 16 RCO RDA RSSI 6 9 8 4 3 2 1 13 7 CPUB CANP CANN 7 8 4 CANN CANP PBCL 9 10 CANH CANL BLK WIRE BLU WIRE BRN WIRE CANN CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) COMPUTER DATA LINES COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) ECU ASSEMBLY (IN LEFT FRONT DOOR) ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FLCY CANP CANN FUSE GND TIM- GRN WIRE GRY WIRE HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT "B" PILLAR) LEFT FRONT POSITION CONTROL ECU, SWITCH ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LEFT OUTER MIRROR CONTROL LT BLU WIRE LT GRN WIRE MAIN BODY ECU MM MSWE GND MSW MULTIPLEX TILT, TELESCOPIC ECU (AT BASE OF STEERING COLUMN) ORG/ WIRE PNK WIRE POWER TILT MOTOR (ON STEERING COLUMN) RED WIRE RELAY ENERGIZED SEAT MEMORY SWITCH SET- SYSTEM TELESCO SHORT TELESCOPIC MOTOR TELESCOPIC SENSOR TEM TES TI, TE FUSE TILT DOWN TILT UP TELESCO STRETCH TILT, TELESCOPIC SWITCH TIM TIS VCE VCI VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+B TX- TX+ PNK 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 27 28 +B 1 3 5 BI SI EI PNK WIRE 1 5 3 6 4 2 BI EI SI EO SO BO 2 1 PNK WIRE 23 13 14 10 SWG TX+ TX- BLK WIRE BLU WIRE BRN WIRE CANL CANH BLSW TX- TX+ CB+ CLEARANCE WARNING BUZZER 1 (CENTER OF DASH) COMPUTER DATA LINES SYSTEM CV+ CV- CV+ CGND CB+ SCV- SCV+ SGND SCB+ EF BBZ ENGINE ROOM FUSE GRN WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT STEERING PAD SWITCH LEFT ULTRASONIC SENSOR 1 (LEFT FRONT CORNER OF ENGINE COMPT) LEFT ULTRASONIC SENSOR 2 (BEHIND REAR BUMPER) LEFT ULTRASONIC SENSOR 3 (BEHIND REAR BUMPER) LT BLU WIRE MONITOR MULTI-DISPLAY CONTROLLER SUB-ASSEMBLY (UNDER CENTER CONSOLE) NAVIGATION RECEIVER ASSEMBLY NCA WIRE ORG/ WIRE PARKING ASSIST ECU (RIGHT SIDE OF DASH) PNK WIRE RAD 1 FUSE RAD 3 FUSE R/B ASSEMBLY (ON LEFT SIDE SIDE OF ENGINE COMPT) RADIO 2 FUSE RED WIRE RIGHT ULTRASONIC SENSOR 1 (RIGHT FRONT CORNER OF ENGINE COMPT) RIGHT ULTRASONIC SENSOR 3 (BEHIND REAR BUMPER) SCB+ SCV+ SGND SIDE TELEVISION CAMERA ASSEMBLY (FRONT PASSENGER'S DOOR) SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CANN COMPUTER DATA LINES SYSTEM ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MSW MULTIPLEX TILT, TELESCOPIC ECU (AT BASE OF STEERING COLUMN) ORG/ WIRE PNK WIRE POWER TILT MOTOR (ON STEERING COLUMN) RED WIRE TELESCO SHORT TELESCO STRETCH TELESCOPIC MOTOR TELESCOPIC SENSOR TEM+ TEM- TI, TE FUSE TILT DOWN TILT UP TILT, TELESCOPIC STRETCH TIM TIS VCE TES VCI WHT WIRE WHT/BLK WIRE YEL WIRE

8 3 4 2 PNK WIRE BLK WIRE BLU WIRE BOF BOR BRN WIRE CLEARANCE WARNING BUZZER 1 (CENTER OF DASH) CLEARANCE WARNING ECU ASSEMBLY (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM CONTROL ECU (LEFT SIDE OF DASH) ENGINE ROOM R/B 2 (LEFT REAR OF ENGINE COMPT) FUSE GRN WIRE HOT IN ON OR START HOT W/ IGCT MAIN RELAY ENERGIZED IGCT 3 FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT ULTRASONIC LEFT ULTRASONIC SENSOR 1 (LEFT FRONT CORNER OF ENGINE COMPT) LEFT ULTRASONIC SENSOR 3 (BEHIND REAR BUMPER) LT BLU WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PNK WIRE POWER MANAGEMENT RED WIRE RIGHT ULTRASONIC SENSOR 1 (RIGHT FRONT CORNER OF ENGINE COMPT) RIGHT ULTRASONIC SENSOR 2 (BEHIND REAR BUMPER) RIGHT ULTRASONIC SENSOR 3 (BEHIND REAR BUMPER) SENSOR 2 (BEHIND REAR BUMPER) SOF BBZ EF SOR WHT WIRE WHT/BLK WIRE YEL WIRE