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

ABS 1 FUSE ABS 2 FUSE BLK WIRE BLU WIRE BM CANH BRAKE PEDAL LOAD SENSING SWITCH (NEAR BRAKE PEDAL ASSEMBLY) BRN WIRE COMPUTER DATA (RIGHT FRONT LINES SYSTEM ENGINE COMPT) 15 16 12 5 PNK WIRE COMPUTER DATA LINES SYSTEM CSW STPO ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (LEFT FRONT FENDER APRON) FSW+ FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) J/C LT GRN WIRE ORG/ WIRE OUT PARKING BRAKE SWITCH ASSEMBLY (ON PARKING BRAKE ASSEMBLY) PNK RL- RL+ FR- FR+ WIRE PNK WIRE RED WIRE RELAY ENERGIZED RR- RR+ FL- FL+ SKID CONTROL BUZZER ASSEMBLY (LEFT SIDE OF DASH) SKID CONTROL ECU W/ ACTUATOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) STOP FUSE STOP LIGHT CONTROL RELAY ASSEMBLY (LEFT END OF DASH) STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL ASSEMBLY) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

24 23 CANL CANH PNK WIRE 4 1 6 8 SI IG+ ES B/LE 4 3 2 1 IG CANH CANL GND 5 4 3 2 6 PNK IG CANH CANL ESS BAT WIRE BLK WIRE BRN WIRE COLUMN) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM FUSE GAUGE 2 FUSE GRN WIRE GRY WIRE INSTRUMENT PANEL J/B ASSEMBLY LEFT FRONT SPEED SENSOR (AT LEFT FRONT HUB ASSEMBLY) LEFT REAR SPEED SENSOR (ON LEFT REAR WHEEL ASSEMBLY) LT BLU WIRE LT GRN WIRE MAIN BODY ECU ORG/ WIRE PNK WIRE RED WIRE RELAY ENERGIZED RESERVOIR) RIGHT FRONT SPEED SENSOR (AT RIGHT FRONT HUB ASSEMBLY) RIGHT REAR SPEED SENSOR (ON RIGHT REAR WHEEL ASSEMBLY) STEERING SENSOR (ON STEERING VIO WIRE VSC OFF SWITCH WHT WIRE WHT/BLK WIRE YAW RATE SENSOR ASSEMBLY (LEFT SIDE OF CENTER CONSOLE) YEL WIRE

2 3 1 PR PNK WIRE 3 1 4 2 RH 4 3 PNK WIRE A/C AMPLIFIER ASSEMBLY (RIGHT SIDE OF DASH) A/C PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) AUTOMATIC LIGHT CONTROL SENSOR (TOP RIGHT SIDE OF DASH) BLK WIRE BLOWER W/ FAN MOTOR (RIGHT SIDE OF DASH) BLU WIRE BLW BRN WIRE CANH CANL SG-2 CLTB CLTE CLTS COMPUTER DATA LINES SYSTEM COOLER THERMISTOR (AMBIENT TEMPERATURE SENSOR) (FRONT OF ENGINE COMPT) DEFOGGER SYSTEM DFG DGS ECU-B 2 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE FDFI FUSE GRN WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) OF ENGINE COMPT) ORG/ WIRE PNK 1 2 3 4 5 6 7 8 9 10 11 12 13 IG+ WIRE PNK FDEF WIRE PNK WIRE PRE PNK WIRE RED WIRE RH TR SEATS SYSTEM SMOG VENTILATION SENSOR (IF EQUIPPED) (CENTER FRONT OF ENGINE COMPT) SOLAR SENSOR SVDB SVPB SVDS SVPS SW 1 TAM DGS TSL TSP TSD SG-1 TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 CLK DIN DOUT STBI GND 1 2 PE PB 11 8 PNK WIRE 12 25 CANH CANL 3 19 31 30 20 WP CLK ITE ETI STB A/C AMPLIFIER (RIGHT SIDE OF DASH) A/C BLOWER (RIGHT SIDE OF DASH) A/C EVAPORATOR TEMPERATURE SENSOR A/C W/P A/C W/P RELAY ACPB ACPE B+ BUS BLK WIRE BLU WIRE BRN WIRE BUS - BUS G COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING COLOR CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (GREEN) COOLING FAN ECU 1 (LEFT FRONT OF ENGINE COMPT) COOLING FAN ECU 2 (RIGHT FRONT OF ENGINE COMPT) DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX DRIVER SIDE) DAMPER SERVO MOTOR (AIR MIX FRONT PASSENGER SIDE) DAMPER SERVO MOTOR (AIR VENT MODE) ECM (RIGHT FRONT OF ENGINE COMPT) ECU- ECU- EFI ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) ENGINE ROOM J/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE FUSE FUSE GRN WIRE GRN/RED WIRE HEATER WATER PUMP ASSEMBLY (LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES HOT IN ON OR START INVERTER ASSEMBLY W/ CONVERTER (LEFT SIDE OF ENGINE COMPT) LT GRN WIRE MOTOR COMPRESSOR (RIGHT FRONT OF ENGINE COMPT) ORG/ WIRE PNK 14 4 3 2 WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (LEFT SIDE OF DASH) RDI FAN 1 RDI FAN 2 RDI FAN RELAY 1 RDI FAN RELAY 2 RED WIRE RED/BLK WIRE RFC TOP OF ENGINE) VIO WIRE W/ SMOG VENTILATION SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE

+ECU 1 2 INTERIOR LIGHTS SYSTEM RCYL LSWR DOOR LOCKS SYSTEM 12 13 14 15 PKB FFGO TRLY HRLY HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM 24 25 26 27 28 29 30 31 32 GSW 5 6 PBDS TRUNK, TAILGATE, FUEL DOORS SYSTEM 8 7 CANP CANN 8 9 PNK CANN CANP WIRE ACTG ACT- ACT+ ACTD DOOR LOCKS SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM DOOR LOCKS SYSTEM HEADLIGHTS SYSTEM BECU ALTB IG BLK WIRE BLU WIRE BRN WIRE D/L ALT B FUSE D/L SOURCE RELAY DMDR DMON INTERIOR LIGHTS SYSTEM DOOR LOCKS SYSTEM ECU, SWITCH ASSEMBLY (LEFT SIDE OF DRIVER'S SEAT CUSHION) ECU- IG 1 FUSE ECU-B 1 FUSE ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FRONT DOOR) FUSE GRN WIRE GRY WIRE HCTY BZR DIM IND HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM RLEW CANP CANN HORN HORNS SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILE FLCY FRCL FRCY LSWL 2 3 4 5 6 7 8 9 10 INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT FRONT POSITION CONTROL LEFT FRONT POWER WINDOW LEFT OUTER MIRROR CONTROL ECU ASSEMBLY (IN LEFT LEFT REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY (IN LEFT REAR DOOR) LIN LIN 1 LT GRN WIRE MAIN BODY ECU (BEHIND LEFT SIDE OF DASH) MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY NAVIGATION SYSTEM EXTERIOR LIGHTS SYSTEM SFTP HZSW ORG/ WIRE PNK WIRE RED WIRE REGULATOR RIGHT FRONT POWER WINDOW RIGHT REAR POWER WINDOW REGULATOR SLIDING ROOF CONTROL ECU (CENTER FRONT OF ROOF) SUPPLEMENTAL RESTRAINTS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

10 9 13 PNK WIRE 11 12 CANH CANL 12 25 CANH CANL COMPUTER DATA LINES SYSTEM A/C AMPLIFIER ASSEMBLY (RIGHT SIDE OF DASH) A/C PRESSURE SENSOR (RIGHT SIDE OF ENGINE COMPT) BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU 1 (LEFT FRONT OF ENGINE COMPT) COOLING FAN ECU 2 (RIGHT FRONT OF ENGINE COMPT) COOLING FAN MOTOR 1 (FRONT OF ENGINE COMPT) M- COOLING FAN MOTOR 2 (FRONT OF ENGINE COMPT) ECM (RIGHT FRONT OF ENGINE COMPT) EFI ENGINE COOLANT TEMPERATURE SENSOR (TOP REAR OF ENGINE) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES LT GRN WIRE PNK 3 4 WIRE PNK WIRE PRE SG-2 RDI FAN 1 RDI FAN 2 RDI FAN RELAY 1 RDI FAN RELAY 2 RED WIRE RELAY ENERGIZED RFC VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 9 10 OUT 5 2 4 3 IGB SGND LRRD LRDD BLK WIRE BLU WIRE BRN WIRE CCHG COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH ASSEMBLY CRUISE CONTROL SWITCH DISTANCE CONTROL DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) LRRD LT BLU WIRE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ASSEMBLY (CENTER FRONT OF ENGINE COMPT) MODE ON OFF ORG/ WIRE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY SPIRAL CABLE SUB-ASSEMBLY (IN STEERING COLUMN) STOP LIGHT CONTROL RELAY ASSEMBLY (LEFT END OF DASH) STOP LIGHT SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) STP +B STP+ VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER 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

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 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 14 16 64 15 WIRE 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

11 12 40 1 CANH CANL FDEF IG+ 18 22 SW 1 FDFI A/C AMPLIFIER ASSEMBLY (RIGHT SIDE OF DASH) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DEICER FUSE DEICER RELAY ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY (ON LEFT SIDE OF ENGINE COMPT) FRONT 1 2 WIPER CANH CANL DEICER SWITCH FRONT 9 10 WIPER CANH CANL DEICER SWITCH FRONT WIPER DEICER (WINDSHIELD GLASS) (LEFT REAR OF ENGINE COMPT) FRONT WIPER DEICER SWITCH (W/ RADIO RECEIVER) FUSE GRN WIRE HOT AT ALL TIMES INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT GRN WIRE NAVIGATION RECEIVER ASSEMBLY (W/ NAVIGATION RECEIVER) ORG/ WIRE PNK 8 9 WIRE PNK PNK WIRE PNK WIRE RADIO, DISPLAY RECEIVER ASSEMBLY (W/ RADIO, DISPLAY RECEIVER) RED WIRE RELAY ENERGIZED WHT WIRE WHT/BLK WIRE