Lexus RX III facelift (2012-2015) engine room r/b assembly (on left side of engine compt) Wiring diagrams

8 5 4 9 +B MJ 9 14 16 RV BACKUP BKUP LP FUSE BKUP LP RELAY BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM R/B 2 (LEFT REAR OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT IN ON OR START HOT W/ IGCT MAIN RELAY ENERGIZED IGCT 3 FUSE INNER REAR VIEW MIRROR ASSEMBLY LEFT REAR LIGHT ASSEMBLY LT GRN WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE REV RIGHT REAR LIGHT ASSEMBLY SHIFT LEVER POSITION SENSOR VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+ECU 26 25 DMON DMDR 3 1 FRCL ILE 31 32 29 ALTB IG 4 11 FRCY 4 6 LCYL DOMR BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CSPT CTY D/L ALT B FUSE DOME FUSE DOME RELAY ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FLCL FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ECU- B 1 FUSE HOT W/ ACC 1 RELAY ENERGIZED ILLB ILLB RGND LCTY LEFT FRONT COURTESY LIGHT ASSEMBLY LEFT FRONT DOOR COURTESY LIGHT SWITCH (AT LEFT "B" PILLAR) LEFT REAR DOOR COURTESY LIGHT SWITCH (AT LEFT REAR "C" PILLAR) LT BLU WIRE LT GRN WIRE MAIN BODY ECU INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) ORG/ WIRE OVERHEAD MODULE PNK 1 2 WIRE PNK WIRE R/B 1 RCTY RCYL RED WIRE RELAY ENERGIZED RIGHT FRONT COURTESY LIGHT ASSEMBLY RIGHT FRONT DOOR COURTESY LIGHT SWITCH (AT RIGHT "B" PILLAR) RIGHT REAR COURTESY LIGHT ASSEMBLY RIGHT REAR DOOR COURTESY LIGHT SWITCH (AT RIGHT REAR "C" PILLAR) RRMP LILL RGND SHFT DOOR CILL SPORT LIGHT ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CANH 1 2 3 4 5 6 7 8 PNK WIRE 1 2 3 4 5 6 R+ 1 2 3 4 5 CBP 1 2 PIG PGND 1 2 PIG VGND ASST BLK WIRE BLU WIRE BRN WIRE CBPE CEP CEPF COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ECU-B 1 FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) EPS FUSE EPS FUSE ASSEMBLY (LEFT REAR OF LUGGAGE COMPT) FUSE FUSIBLE LINK BLOCK GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START HOT W/ HV BATTERY JUNCTION BLOCK ASSEMBLY (LEFT SIDE OF LUGGAGE COMPT) IG DDOK ASST INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MOTOR RESOLVER NCA WIRE ORG/ WIRE PNK CANH WIRE PNK IG CANL WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) POWER STEERING CONVERTER ASSEMBLY POWER STEERING ECU ASSEMBLY (LEFT END OF DASH) POWER STEERING MOTOR POWER STEERING MOTOR ASSEMBLY (INTEGRAL TO POWER POWER STEERING TORQUE SENSOR (INTEGRAL TO POWER STEERING ECU ASSEMBLY) PSOK RCOS RSIN RED WIRE RELAY ENERGIZED RGND SKID CONTROL ECU (RIGHT SIDE OF DASH) STEERING ECU ASSEMBLY) STEERING SENSOR (IN STEERING COLUMN) TORQUE SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE

BKUP LP RELAY BRAKE ACTUATOR ASSEMBLY BRN WIRE EFI MAIN RELAY ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FRONT WIPER DEICER (WINDSHIELD GLASS) GRY WIRE HEATER WATER PUMP ASSEMBLY IGCT MAIN RELAY INVERTER ASSEMBLY W/ CONVERTER INVERTER WATER PUMP MOTOR ASSEMBLY LEFT FOG LIGHT ASSEMBLY LEFT HEADLIGHT ASSEMBLY OIL MOTOR PUMP ASSEMBLY OIL PUMP RELAY POWER BACK DOOR UNIT ASSEMBLY RDI FAN RELAY 1 RELAY RDI FAN RELAY 2 RELAY RR DEF RELAY SKID CONTROL ECU ASSEMBLY SMOG VENTILATION SENSOR STOP LIGHT CONTROL RELAY ASSEMBLY STOP LIGHT SWITCH ASSEMBLY TOWING CONVERTER TRAILER HITCH W/ HID W/ HALOGEN W/ LED WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY WIRELESS DOOR LOCK BUZZER

14 13 TRLY FFGO 15 22 HRLY DIM 15 8 5 30 28 29 27 22 21 20 DRL HF HU TAIL 2 4 11 FLCY FRCY 6 5 3 2 1 CLTB CLTS CLTE TSR TSL 9 10 8 21 CANP CANN RLEW LLEW AUTO TAIL OFF AUTOMATIC LIGHT CONTROL SENSOR (TOP RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CANADA USA COMPUTER DATA LINES SYSTEM D/L ALT B 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 HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ HOT W/ ACC 1 RELAY ENERGIZED INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LCTY INTERIOR LIGHTS SYSTEM RCTY 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 SOLAR SENSOR AIR CONDITIONING SYSTEM TAIL AUTO HEAD OFF DRL OFF DRL OFF TAIL FUSE TAIL RELAY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

23 24 PNK CANH CANL WIRE 32 29 31 IG AUTO TAIL BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM D/L ALT B FUSE ECU-ACC FUSE ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HEAD HEAD CANL CANH HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT LEVELING MOTOR HEADLIGHT SWIVEL ECU ASSEMBLY (LEFT END OF DASH) HOT AT ALL TIMES HOT W/ HOT W/ ACC 1 RELAY ENERGIZED INIT INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT HEADLIGHT ASSEMBLY LH - LHE LHM+ LHT RHT LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) OFF RED WIRE RH+ CANH CANL RIGHT HEADLIGHT ASSEMBLY RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (AT RIGHT REAR SUSPENSION) SBR SHRL SGR SHB SHG SHRR SMGL SMGR SMGR RHE VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

6 5 20 CANP CANN FUL 8 7 CTY BACK DOOR LOCK ASSEMBLY BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-ACC FUSE ECU-B 1 FUSE ENGINE HOOD COURTESY SWITCH (CENTER FRONT OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) ES TX- GAUGE 1 FUSE GRN WIRE GRY WIRE HDD PNK WIRE HDU HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START HUD ILD ILU ILU ILD HUDO HUDU HUDD INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) MAIN BODY ECU LCTY LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT "B" PILLAR) LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT LEFT REAR "C" PILLAR) LT BLU WIRE LT GRN WIRE METER MIRROR SUB-ASSEMBLY (LEFT SIDE OF DASH) ORG/ WIRE PARKING BRAKE SWITCH ASSEMBLY (LEFT END OF DASH) PNK WIRE POWER BACK DOOR UNIT ASSEMBLY RCTY RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY (AT RIGHT REAR "C" PILLAR) SATELLITE SWITCH SET VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 MM 10 11 12 13 14 ECI+ TRNI ECI- BDSL 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 COMPUTER DATA LINES SYSTEM MIRRORS SYSTEM EXTERIOR LIGHTS SYSTEM MIRRORS SYSTEM ECU-B 1 FUSE ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FL DOOR FR DOOR FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT BLIND SPOT MONITOR SENSOR (BEHIND LEFT SIDE OF REAR FASCIA) 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 MAIN BODY ECU MIRROR ADJUST SWITCH MIRROR AUTO RETRACT SWITCH MIRROR RETRACT SWITCH MIRROR SELECT SWITCH MIRRORS SYSTEM EXTERIOR LIGHTS SYSTEM MIRRORS SYSTEM MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY OMIL OMIR ORG/ WIRE PNK WIRE RED WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT BLIND SPOT MONITOR SENSOR (BEHIND RIGHT SIDE OF REAR FASCIA) RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY (ON RIGHT FRONT DOOR) SEAT MEMORY SWITCH SET- SIG CPUB GND CANN CANP SIG CPUB GND CANN CANP ECI+ TRNI ECI- BDSR BDR 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 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

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 SWITCH TIM TIS VCE TES VCI WHT WIRE WHT/BLK WIRE YEL WIRE