Lexus RX III facelift (2012-2015) (under center console) Wiring diagrams

ABS MAIN 2 FUSE ABS- MAIN 1 FUSE BLK WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 3 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE RED WIRE STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) VSC OFF SWITCH WHT WIRE WHT/BLK WIRE YEL WIRE

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

+B EC- EC+ 13 12 PNK PNK WIRE 10 9 8 7 6 5 4 3 2 1 GARAGE DOOR OPENER BLK WIRE BLU WIRE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES ENGINE ROOM R/B ASSEMBLY FUSE (ON LEFT SIDE OF ENGINE COMPT) INNER REARVIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) ECI+ ECI- EC+ EC- LEFT OUTER REARVIEW MIRROR ASSEMBLY (ON LEFT FRONT DOOR) LT BLU WIRE ORG/ WIRE OVERHEAD MODULE PNK IG GND WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT OUTER ECI- ECI+ MIRROR CONTROL ECU ASSEMBLY EC- EC+ (IN RIGHT FRONT DOOR) RIGHT OUTER REARVIEW MIRROR ASSEMBLY (ON RIGHT FRONT DOOR) VIO WIRE WHT WIRE YEL WIRE

13 12 PNK WIRE BLK WIRE BLU WIRE EC- EC+ IG PNK WIRE FUSE GRN WIRE GRY WIRE INNER REARVIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT FRONT DOOR) ECI+ ECI- EC+ EC- LEFT OUTER REARVIEW MIRROR ASSEMBLY (ON LEFT FRONT DOOR) ORG/ WIRE OVERHEAD MODULE PNK IG GND WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT OUTER ECI- ECI+ MIRROR CONTROL ECU ASSEMBLY EC- EC+ (IN RIGHT FRONT DOOR) RIGHT OUTER REARVIEW VIEW MIRROR ASSEMBLY (ON RIGHT FRONT DOOR) VIO WIRE WHT WIRE YEL WIRE

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 M- M+ 13 23 24 PNK CANH CANL WIRE 3 2 4 GND 4 13 27 28 17 39 STP- ACCELERATOR POSITION SENSOR (ON ACCELERATOR PEDAL ASSEMBLY) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CANH CANL IGSW EC COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (W/ DYNAMIC RADAR CRUISE CONTROL) (LEFT END ECM (RIGHT FRONT OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) ETA M+ M- FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HV R/B 1 FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE OF DASH) PNK WIRE RED WIRE RELAY ENERGIZED SHIELD SHIFT LEVER POSITION SENSOR (ON TRANSMISSION) STOP ECU-B 1 FUSE FUSE STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) THROTTLE W/ MOTOR BODY (RIGHT REAR OF ENGINE) TRANSMISSION CONTROL SWITCH (UNDER FRONT OF CENTER CONSOLE) VC VTA VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU 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

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