Lexus RX III (2008-2012) certification ecu assembly (right side of dash) Wiring diagrams

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

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

14 16 64 15 PNK WIRE AGND ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BRN WIRE CANH CANL SWIL TXCT CODE CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) CLGB COMPUTER DATA LINES SYSTEM DATA DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) DOORS SYSTEM FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE IG CUTB INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE OUTSIDE LUGGAGE ELECTRICAL KEY ANTENNA (BEHIND CENTER OF REAR BUMPER) PNK WIRE RCO RDA RSSI REAR INDOOR ELECTRICAL KEY OSCILLATOR (FRONT OF LUGGAGE COMPT) RED WIRE RELAY ENERGIZED RIGHT ELECTRICAL KEY ANTENNA (FRONT PASSENGER'S DOOR OUTSIDE HANDLE) RSSI SENS TRG+ TRUNK, TAILGATE, FUEL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 B+ 20 21 11 IMO IMI PNK WIRE BLK WIRE BRN WIRE CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) EFII EFIO PNK WIRE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES IMMOBI FUSE ID CODE BOX (LEFT SIDE OF DASH) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LIN LT GRN WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE STEERING LOCK ACTUATOR ASSEMBLY (ON STEERING COLUMN) VIO WIRE WHT/BLK WIRE

ADIM BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CANH CANL DCM (TELEMATICS TRANSCEIVER) (UNDER CENTER CONSOLE) DOWN ENGINE SWITCH FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY FUEL LID OPENER GRN WIRE GRY WIRE HEADLIGHT CLEANER SWITCH ASSEMBLY LIGHT CONTROL RHEOSTAT LT GRN WIRE MAIN SWITCH ASSEMBLY MASTER SWITCH ASSEMBLY MULTIPLEX NETWORK ODO TRIP ORG/ WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE SATELLITE SWITCH SET SEAT HEATER SHIFT POSITION INDICATOR 2 1 ILL- ILL+ SUSPENSION CONTROL SWITCH SUSPENSION CONTROL SWITCH 2 SWG SWIL SWITCH VIO WIRE VSC OFF SWITCH W/ NAVIGATION W/O NAVIGATION WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY TAIL 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

14 16 64 15 PNK WIRE AGND ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BRN WIRE CANH CANL SWIL TXCT CODE CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) CLGB COMPUTER DATA LINES SYSTEM DATA DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) DOORS SYSTEM FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE IG CUTB INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE OUTSIDE LUGGAGE ELECTRICAL KEY ANTENNA (BEHIND CENTER OF REAR BUMPER) PNK WIRE RCO RDA RSSI REAR INDOOR ELECTRICAL KEY OSCILLATOR (FRONT OF LUGGAGE COMPT) RED WIRE RELAY ENERGIZED RIGHT ELECTRICAL KEY ANTENNA (FRONT PASSENGER'S DOOR OUTSIDE HANDLE) RSSI SENS TRG+ TRUNK, TAILGATE, FUEL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 10 9 LMVR LM+R LMHR 1 10 9 RMVR RM+R RMHR 14 8 9 BDR CANH CANP PNK WIRE 14 8 9 BDR CANN CAPN PNK WIRE 3 11 MR+ MR- BDR 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 EC+ ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF F/L DOOR FUSE F/R DOOR FUSE FRONT DOOR) 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 BLU WIRE LT GRN WIRE LVC MAIN BODY ECU MIRROR ADJUST SWITCH MIRROR AUTO RETRACT SWITCH MIRROR RETRACT SWITCH MIRROR SELECT SWITCH +B MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ORG/ WIRE PNK HSSR WIRE RED WIRE RED/WHT WIRE RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY (ON RIGHT RVC TRN+ VIO WIRE VSSR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

12 5 LOCK 5 4 3 2 1 DATA +5 AUTO AUTO DOWN AUTO LED AUTO UP BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU ASSEMBLY (RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM DOOR CONTROL RECEIVER (RIGHT "C" PILLAR) DOOR LOCKS SYSTEM F/R DOOR FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INTERIOR LIGHTS LED LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN LEFT REAR DOOR) LEFT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LIN LT GRN WIRE MANUAL DOWN MANUAL UP PNK LIN WIRE PNK WIRE R/L DOOR FUSE R/R DOOR FUSE RCO RED WIRE RIGHT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN FRONT PASSENGER'S DOOR) RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY RIGHT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN RIGHT REAR DOOR) RIGHT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RSSI RSSI GND SYSTEM UN LOCK VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE