Lexus RX III facelift (2012-2015) ecu-b 1 fuse Wiring diagrams

ABS 1 FUSE ABS 2 FUSE ABS MAIN 3 FUSE BLK WIRE BLU WIRE BRAKE STROKE SIMULATOR CYLINDER SUB ASSEMBLY (LEFT REAR OF ENGINE COMPT) COMPT) ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY LIGHT SWITCH LEFT REAR SPEED SENSOR (LEFT REAR HUB ASSEMBLY) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT FRONT SPEED SENSOR (RIGHT FRONT HUB ASSEMBLY) RIGHT REAR SPEED SENSOR (RIGHT REAR HUB ASSEMBLY) SHORT CONNECTOR SKID CONTROL BUZZER (LEFT END OF DASH) STOP FUSE VBZ WHT WIRE WHT/BLK WIRE

13 5 15 14 OSR OSE OSL PAWL MSW 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 CTY DLSW DOOR CONTROL RECEIVER DOOR CONTROL SWITCH ASSEMBLY ECU-B 1 FUSE FSW+ GRN WIRE GRY WIRE HAF HOT AT ALL TIMES HOT IN ON OR START MAIN BODY ECU FUSE 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 PBDS PNK 1 2 WIRE PNK 23 22 9 10 13 16 WIRE PNK FUL WIRE PNK WIRE POS POWER BACK DOOR MAIN SWITCH POWER BACK DOOR UNIT ASSEMBLY (LEFT REAR OF ROOF) 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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 IG 6 5 PNK WIRE BLK WIRE BLU WIRE CGND CB+ EC+ EC- ECI+ ECI- MIRROR CONTROL ECU ASSEMBLY (IN LEFT DOOR) ECU-B 1 FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B ASSEMBLY J/C LEFT OUTER LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT BLU WIRE NAVIGATION SYSTEM NCA WIRE ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK 12 13 PNK WIRE PNK 3 WIRE PNK IG GND WIRE PNK WIRE R/B 1 (LEFT SIDE OF DASH) RED WIRE RELAY ENERGIZED REV EC+ EC- CV- CV+ +B RIGHT OUTER ECI- ECI+ MIRROR CONTROL ECU ASSEMBLY (IN RIGHT DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY VIO WIRE WHT WIRE YEL WIRE

+B EC- EC+ BLK WIRE BLU WIRE ECU-B 1 FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B ASSEMBLY J/C LEFT OUTER ECI+ ECI- MIRROR CONTROL ECU ASSEMBLY EC+ EC- (IN LEFT DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY LT BLU WIRE ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK IG GND WIRE PNK WIRE R/B 1 (LEFT SIDE OF DASH) RED WIRE RELAY ENERGIZED RIGHT OUTER ECI+ ECI- MIRROR CONTROL ECU ASSEMBLY EC+ EC- (IN RIGHT DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY VIO WIRE WHT WIRE YEL WIRE

2 5 4 1 RSSI DATA +5 GND 5 15 16 RCO RDA RSSI 6 9 8 4 3 2 1 7 CPUB CANP CANN 7 8 4 CANN CANP PBCL 9 10 CANH CANL BLK WIRE BLU WIRE BRN WIRE BUCKLE SWITCH 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 SIDE OF DRIVER'S LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LEFT OUTER MIRROR CONTROL LT BLU WIRE LT GRN WIRE MAIN BODY ECU MM 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 CUSHION) 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

ABS 1 FUSE ANTI-LOCK BRAKES SYSTEM ANTI-THEFT, DOOR LOCKS SYSTEMS BATTERY BLK WIRE BLU WIRE BRN WIRE COMPT) DC/DC-S FUSE DEICER RELAY DEICER FUSE DOME FUSE DOOR LOCKS, ANTI-THEFT SYSTEMS DRL FUSE DRL RELAY EFI MAIN FUSE ECU-B 1 FUSE ECU-B 2 HAZ FUSE FUSE EFI 1 FUSE EFI MAIN RELAY ELECTRONIC POWER STEERING SYSTEM FUSE BOX (REAR OF CAPACITOR LUGGAGE FUSE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM J/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE FROM SHORT DCDC PIN FUSE (DIAGRAM 1 OF 4) FUSIBLE LINK BLOCK ASSEMBLY EPS (LEFT REAR FUSE OF LUGGAGE COMPT) GRN WIRE GRY WIRE HEATER H-LP FUSE CLN FUSE IMMOBI FUSE IP J/B FUSE MAIN FUSE LT GRN WIRE MAIN FUSE MAIN FUSE FUSE NAVIGATION, SOUND SYSTEMS OF ENGINE COMPT) ORG/ WIRE PBD FUSE PNK WIRE RAD 3 FUSE FUSE FUSE RDI FAN 1 FUSE RED WIRE RR DEF FUSE RR DEF RELAY RR-B FUSE SHIFT INTERLOCK SYSTEM SHORT PIN STOP RDI FUSE FAN 2 FUSE STR ETCS LOCK FUSE FUSE TO DCDC FUSE (DIAGRAM 1 OF 4) TO ENGINE ROOM R/B ASSEMBLY (DIAGRAM 2 OF 4) TO HV R/B 2 FUSE (DIAGRAM 2 OF 4) RAD 1 FUSE TO INSTRUMENT PANEL J/B (DIAGRAM 3 OF 4) TOWING FUSE TRUNK, TAILGATE, DEFOGGER FUEL DOORS SYSTEM SYSTEM VIO WIRE WARNING, NAVIGATION, SOUND SYSTEMS WHT WIRE WIPER/ AIR WASHER CONDITIONING SYSTEM SYSTEM YEL WIRE

AGND ANTENNA COIL ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BRN WIRE BTH+ BTH- CODE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B 1 FUSE ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM COMPUTER DATA LINES SYSTEM ENGINE CONTROLS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM ENGINE CONTROLS SYSTEM ENGINE ROOM J/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IMMOBI FUSE IMO IMI CCS PNK WIRE INDS INDS INDW INDW LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PNK CANH CANL WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) POWER SWITCH PSOK RED WIRE S-HORN FUSE S-HORN RELAY SECURITY HORN ASSEMBLY (LEFT FRONT OF ENGINE COMPT) SFTD SFTU SHIFT INTERLOCK SYSTEM SL/R SLP SMRG SMRP SMRB SPDI SWIL THB ABFS ETHB TRANSMISSIONS SYSTEM TXCT VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE BZR CANL CANH COMPUTER DATA LINES SYSTEM DRIVER SIDE AUTO SWITCH DRIVER SIDE DOWN SWITCH DRIVER SIDE UP SWITCH ECU-B 1 FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY F/L DOOR FUSE FRONT PASSENGER SIDE CONTROL SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LED LEFT FRONT DOOR COURTESY LIGHT SWITCH (AT LEFT "B" PILLAR) LEFT FRONT DOOR W/ MOTOR LOCK ASSEMBLY LEFT FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN DRIVER'S DOOR) LEFT REAR SIDE CONTROL SWITCH LIN LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY ORG/ WIRE PNK WIRE RED WIRE RIGHT REAR SIDE CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WINDOW LOCK SWITCH WIRELESS DOOR LOCK BUZZER (LEFT SIDE OF ENGINE COMPT) YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 IG 26 20 25 PNK IG WIRE BKUP LP FUSE BKUP LP RELAY BLK WIRE BLU WIRE BRN WIRE CB+ CGND CGND CB+ CV+ ECU-B 1 FUSE ENGINE ROOM R/B 2 (LEFT REAR OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES INNER REAR VIEW MIRROR ASSEMBLY J/C LT BLU WIRE NCA WIRE OVERHEAD MODULE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) BL REAR TELEVISION CAMERA ASSEMBLY RED WIRE RELAY ENERGIZED RELAY ENERGIZED INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) ECU REV EC+ EC- CV- CV+ +B PNK MIRRORS SYSTEM WIRE VIO WIRE WHT WIRE YEL WIRE

+ECU 2 3 STA STAR 3 18 17 SLP 5 7 PNK WIRE BATTERY BLK WIRE BLU WIRE BRX CHARGING SYSTEM CHECK CONNECTOR (REMOTE ENGINE STARTER) (RIGHT SIDE OF DASH) ECM (LEFT SIDE OF ENGINE COMPT) ECU-B 1 FUSE ENGINE ROOM J/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY ENGINE SWITCH FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ IGN 1 RELAY ENERGIZED INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) NCA WIRE 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) REMOTE ENGINE STARTER (RIGHT SIDE OF DASH) ST FUSE (LEFT FRONT FENDER APRON) ST RELAY STARTER ASSEMBLY TRANSAXLE TRANSMISSION CONTROL ECU ASSEMBLY (6 SPEED A/T) TRANSMISSION CONTROL ECU ASSEMBLY (8 SPEED A/T) (RIGHT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE