Lexus RX III facelift (2012-2015) red Wiring diagrams

1 2 3 5 6 TSL TSR CLTE CLTS CLTB SOLAR SENSOR 17 3 HZSW 4 2 FRCY FLCY 6 28 29 30 20 21 22 13 14 3 RCTY AIR CONDITIONING SYSTEM AUTOMATIC LIGHT CONTROL SENSOR (TOP RIGHT SIDE OF DASH) BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE CENTER STOP LIGHT ASSEMBLY COMPUTER DATA LINES SYSTEM D/L ALT B FUSE DCDC J/B ASSEMBLY FUSE (LEFT SIDE OF ENGINE COMPT) DEF DEF ECU-ACC FUSE ENGINE ROOM FRONT DOOR) FUSE GRN WIRE GRY WIRE HEAD TAIL CLTB CLTS CLTE CANL CANH HAZ HMSL HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) L/P LCTY LEFT "C" PILLAR) LEFT LICENSE PLATE LIGHT ASSEMBLY LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) LEFT OUTER REAR VIEW MIRROR ASSEMBLY (ON LEFT LEFT REAR COMBINATION LIGHT ASSEMBLY LEFT REAR RIGHT REAR SIDE MARKER SIDE MARKER LIGHT LIGHT ASSEMBLY ASSEMBLY LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) NCA WIRE NOISE FILTER (CENTER STOP LIGHT ASSEMBLY) (LEFT "D" PILLAR) RED WIRE RIGHT LICENSE PLATE LIGHT ASSEMBLY RIGHT REAR COMBINATION LIGHT ASSEMBLY STOP STP+ TAIL TAIL FUSE TAIL RELAY TRN+ TRNI TURN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

10 9 8 7 6 5 4 3 2 1 TRNR AUTO BLK WIRE BLU WIRE BRN WIRE CANADA CTRS DRL OFF GRN WIRE GRY WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY LEFT REAR LIGHT ASSEMBLY TAIL LIGHT CONTROL LT BLU WIRE OFF ORG/ WIRE PNK WIRE RED WIRE RIGHT REAR LIGHT ASSEMBLY TAIL SWITCH TAIL TOWING CONVERTER (RIGHT SIDE OF LUGGAGE COMPT) TRAILER HITCH (UNDER LEFT END OF REAR BUMPER) TRNL CTLA CTLS CTLB TTLA TTLS TTRS TURN SWITCH USA VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 OUT 1 23 24 2 IG+ CANH CANL PNK WIRE 4 16 STPO BLK WIRE BLK/YEL WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FRONT DOOR) GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HAZ FUSE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) L/P LEFT HEADLIGHT ASSEMBLY LT BLU WIRE LT GRN WIRE PARKING LIGHT PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RED WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT OUTER MIRROR CONTROL ECU ASSEMBLY (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY (ON RIGHT SHIFT LOCK CONTROL ECU SUB-ASSEMBLY SIDE MARKER SKID CONTROL ECU (RIGHT SIDE OF DASH) STOP FUSE STOP LIGHT CONTROL RELAY ASSEMBLY (LEFT END OF DASH) STP +B STP+ SWITCH ASSEMBLY TOWING FUSE TRN+ TRNI TURN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 IG STP SP+ 14 13 CANH CANL 8 9 10 11 12 SP- BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE OIL PRESSURE SWITCH (LOWER LEFT FRONT OF ENGINE) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) PNK WIRE RED WIRE RELAY ENERGIZED SFTP SFTP OPSW SKID CONTROL ECU (RIGHT SIDE OF DASH) STOP FUSE STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) VEHICLE APPROACHING SPEAKER (BEHIND LEFT SIDE OF FRONT FASCIA) VEHICLE APPROACHING SPEAKER CONTROLLER (CENTER OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE ECM (RIGHT FRONT OF ENGINE COMPT) EFI ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) GRN WIRE GRN/RED WIRE INTAKE MASS AIR FLOW METER (LEFT REAR OF ENGINE COMPT) KNOCK CONTROL SENSOR (BANK 1) (TOP OF ENGINE, UNDER INTAKE MANIFOLD) LT GRN WIRE M- M+ +BM ORG/ WIRE OXYGEN SENSOR (BANK 1 SENSOR 2) (IN EXHAUST) PNK WIRE PURGE VSV (LEFT REAR OF ENGINE) RED WIRE SHIELD SHIELD SHIELD SHIELD SHIELD SHIELD THE TOP OF ENGINE) VIO WIRE WHT WIRE WHT/ BLU WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

13 23 24 21 PNK CANH CANL CHK WIRE 15 14 PNK WIRE ACCELERATOR POSITION SENSOR (ON ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM 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) GRN WIRE GRY WIRE HOT AT ALL TIMES HV R/B 1 FUSE IGCT 2 FUSE IGCT 3 FUSE IGCT MAIN RELAY LT BLU WIRE LT GRN WIRE ORG/ WIRE PCU FUSE PNK 15 56 WIRE PNK WIRE RED WIRE SHIFT LEVER POSITION SENSOR (ON TRANSMISSION) TRANSMISSION CONTROL SWITCH (UNDER FRONT OF CENTER CONSOLE) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

27 28 STP- BATT FAN FUSE BATT FAN RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BTH+ CENTER BATTERY COOLING BLOWER MOTOR (NEAR HV BATTERY) COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 3 (LEFT SIDE OF ENGINE COMPT) ETHB FCTL FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT "C" PILLAR) LEFT BATTERY COOLING BLOWER MOTOR (NEAR HV BATTERY) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) PSOK RED WIRE RELAY ENERGIZED SETU SFTD SHIELD SMRB SMRG SPDI THB VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BATTERY VOLTAGE SENSOR (UNDER REAR SEAT, ON HYBRID VEHICLE BATTERY) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BTH+ BUSBER MODULE CENTER HYBRID VEHICLE BATTERY CBP CEP CURRENT SENSOR DOOK FUSE GBBO GIB GRN WIRE GRY WIRE HV BATTERY HV BATTERY JUNCTION BLOCK ASSEMBLY HYBRID VEHICLE BATTERY IGCT LEFT "C" PILLAR) LH BUSBER MODULE HYBRID VEHICLE BATTERY LT BLU WIRE LT GRN WIRE ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE POWER STEERING CONVERTER ASSEMBLY RED WIRE RH BUSBER MODULE SERVICE PLUG SHIELD VIB VIO WIRE VMO WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CRANK POSITION SENSOR (LEFT FRONT OF ENGINE) EFI VACUUM SENSOR (RIGHT FRONT OF ENGINE) GRN WIRE IGF KNOCK CONTROL SENSOR (BANK 2) (TOP OF ENGINE, UNDER INTAKE MANIFOLD) LT GRN WIRE ORG/ WIRE PIM PNK 18 19 WIRE PNK WIRE RED WIRE SHIELD SHIELD SHIELD SHIELD THROTTLE W/ MOTOR BODY (RIGHT REAR OF ENGINE) TOP OF ENGINE) VVL+ VVR+ VVT SENSOR (BANK 1 INTAKE SIDE) (FRONT OF RIGHT CYLINDER BANK) VVT SENSOR (BANK 2 INTAKE SIDE) (FRONT OF LEFT CYLINDER BANK) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE ECM (RIGHT FRONT OF ENGINE COMPT) EKNK ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) EPIM ETCS FUSE ETHA GRN WIRE HOT AT ALL TIMES IGN FUSE LT GRN WIRE NE+ ORG/ WIRE PIM PNK 18 19 WIRE PNK WIRE RED WIRE RELAY ENERGIZED SHIELD SHIELD SHIELD SHIELD THA VPIM WHT WIRE WHT/BLU WIRE YEL WIRE