Lexus GX J120 (2002-2009) body ecu Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 RWLM 18 12 11 TRLY ACTY LCYL RCYL DCTY PCTY ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU DBKL DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM MEMORY SYSTEMS POWER WINDOWS SYSTEM DR/LCK FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DRL MM PD ACTD ECU-B FUSE ECU-IG FUSE ELECTRONIC SUSPENSION SYSTEM INTERIOR LIGHTS SYSTEM ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START ILEW SG GND INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM J/B FUSE J/C 20 (RIGHT SIDE OF DASH) J/C 31 (LEFT REAR OF VEHICLE, BEHIND BUMPER) J/C 32 (LEFT REAR OF VEHICLE, BEHIND BUMPER) LMRY LSWP LT GRN WIRE LT GRN/BLK WIRE MEMORY SYSTEMS MPX PARKING BRAKE SWITCH PCYL DCYL PKB PRG RDA PNK WRSW WIRE PNK/BLK WIRE PNK/BLU WIRE POWER TOPS SYSTEM MEMORY SYSTEMS INTERIOR LIGHTS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS SYSTEM EXTERIOR LIGHTS SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RLCY RRCY RR WIP FUSE RSPT LSPT CSPT WRIN RWSM SIG SIG BECU WRLO TAIL RELAY WARNING SYSTEM STARTING/CHARGING SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM INTERIOR LIGHTS SYSTEM YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 HEAD 12 7 TS SIL 13 24 D/G TS 17 8 15 19 20 23 HRLY HAZ 20 5 SIL TS AIR BAG SENSOR ASSEMBLY (BELOW CENTER OF DASH) ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM POWER WINDOWS SYSTEM ANTI-THEFT SYSTEM WIPER/WASHER SYSTEM BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU BRN/WHT WIRE BZR PWS CLTS ACAN CLTB HF TAIL DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) DIA DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM INSTRUMENT CLUSTER SYSTEM DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DRLP GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HR CLTE INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER SYSTEM WARNING SYSTEM J/B 1 (BEHIND CENTER OF DASH) J/C 11 (LEFT END OF DASH) J/C 13 (LEFT END OF DASH) J/C 22 (RIGHT SIDE OF DASH) J/C 30 (LEFT REAR VEHICLE, BEHIND BUMPER) KSW KSWO LT GRN/BLK WIRE MAYDAY ECU OCCUPANT CLASSIFICATION ECU (UNDER FRONT PASSENGER'S SEAT) POWER TOPS SYSTEM POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE SIL SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) STABILIZER CONTROL ECU (AT LEFT REAR OF VEHICLE) SUSPENSION CONTROL ECU (BEHIND LEFT END OF DASH, ABOVE DRIVER SIDE J/B) TIRE PRESSURE WARNING ECU TRANSPONDER KEY COMPUTER (BEHIND UPPER RIGHT SIDE OF DASH) VIO WIRE VIO/RED WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 IG FRTR LR FRTL LL 2 FUSE 9 3 8 LTIN RTIN STIN BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/YEL WIRE BODY ECU BQ (AT CENTER REAR OF HATCH) BRN WIRE COMBINATION METER COMBINATION SWITCH DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ECU-IG FUSE EG (ON REAR OF LEFT CYLINDER HEAD) EL ER GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HAZARD SWITCH HOT AT ALL TIMES HOT IN ON OR START J/B 2 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 11 (LEFT END OF DASH) JUNCTION CONNECTOR 14 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 17 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 30 (LEFT REAR OF VEHICLE, BEHIND BUMPER) JUNCTION CONNECTOR 32 (LEFT REAR OF VEHICLE, BEHIND BUMPER) LEFT LICENSE PLATE LIGHT LEFT REAR COMBINATION LIGHT TAIL LIGHT LEFT TAIL IND OFF HEAD TAIL LIGHT CONTROL SWITCH RH RIGHT LICENSE PLATE LIGHT RIGHT REAR COMBINATION LIGHT TURN SIGNAL LIGHT RIGHT TAIL IND STOP LIGHT TAIL TAIL FUSE TAIL RELAY TAIL- LIGHT TOWING CONVERTER RELAY (ON LEFT SIDE OF CARGO AREA) TURN SIGNAL FLASHER TURN SIGNAL LIGHT TURN SIGNAL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

14 20 26 11 15 KSW HR 17 12 11 HRLY 23 20 19 15 ACT+ 3 2 5 1 PRG RDA +B 3 4 7 12 11 24 23 PRG RDA BCTY RRCY RLCY PCTY DCTY BACK DOOR COURTESY SWITCH (AT LEFT BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM DOME FUSE DOOR CONTROL RECEIVER (ON LEFT "D" PILLAR, BEHIND TRIM) DR/LCK FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) ECU-B FUSE ECU-IG FUSE EG (ON REAR OF LEFT CYLINDER HEAD) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FUSE GAUGE FUSE GRN WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IND J/B 1 (BEHIND CENTER OF DASH) J/B 2 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR 11 (LEFT END OF DASH) JUNCTION CONNECTOR 13 (LEFT END OF DASH) JUNCTION CONNECTOR 16 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 23 (LOWER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 28 (AT RIGHT KICK PANEL) JUNCTION CONNECTOR 30 (LEFT REAR OF VEHICLE, BEHIND BUMPER) JUNCTION CONNECTOR 31 (LEFT REAR JUNCTION CONNECTOR 32 (LEFT REAR OF VEHICLE, BEHIND BUMPER) KSWO LEFT FRONT DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (BOTTOM OF LEFT "C" PILLAR) LSWP ACTD LT GRN/BLK WIRE OF VEHICLE, BEHIND BUMPER) PNK/BLK WIRE PNK/BLU WIRE POWER DISTRIBUTION SYSTEM REAR OF VEHICLE, BELOW TAILLIGHT) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RIGHT DOOR LOCK CONTROL SWITCH RIGHT FRONT DOOR COURTESY SWITCH (BOTTOM OF RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY SWITCH (BOTTOM OF RIGHT "C" PILLAR) SECURITY SIG TRLY VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE

ACCESSORY METER BACK-UP LAMP RELAY STEREO COMPONENT AMPLIFIER BLK WIRE BODY ECU BRN WIRE CENTER DIFFERENTIAL LOCK CONTROL SWITCH CENTER DIFFERENTIAL LOCK ECU CIGARETTE LIGHTER DATA LINK CONNECTOR 3 DRIVER SIDE J/B SKT RELAY (BEHIND LOWER LEFT END OF DASH) DRIVING POSITION MEMORY SWITCH ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH GLOVE BOX LIGHT SWITCH HAZARD SWITCH INNER MIRROR INTERIOR LIGHT) JUNCTION CONNECTOR LEFT FRONT DOOR LOCK ASSEMBLY LEFT MIRROR HEATER LEFT REAR POWER WINDOW CONTROL SWITCH LEFT REAR DOOR LOCK ASSEMBLY LEFT VANITY LIGHT MAIN SWITCH MIRROR HEATER SWITCH MOON ROOF CONTROL ECU, MOTOR PASSENGER AIR BAG ON/OFF INDICATOR PERSONAL LIGHT POWER WINDOW MASTER SWITCH RAIN SENSOR REAR COOLER SWITCH REAR INTERIOR LIGHT RHEOSTAT RIGHT DOOR LOCK CONTROL SWITCH RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT DOOR LOCK ASSEMBLY RIGHT MIRROR HEATER HEATER CONTROL SWITCH RIGHT REAR POWER WINDOW CONTROL SWITCH RIGHT VANITY LIGHT ROLL SENSING CURTAIN SHIELD AIR BAG CUT-OFF SWITCH SHIFT LOCK CONTROL ECU SKID CONTROL ECU W/ ACTUATOR STEERING SENSOR THEFT DETERRENT ECU TURN SIGNAL FLASHER TILT MOTOR TIRE PRESSURE WARNING SELECT SWITCH TO JUNCTION TOWING BRAKE CONTROLLER TRANSPONDER KEY ECU WHT WIRE WHT/BLK WIRE WIPER RELAY YAW RATE SENSOR CONSOLE BOX ILLUMINATION YEL WIRE

10 22 18 SIG AUTOMATIC LIGHT CONTROL SENSOR (ON UPPER LEFT SIDE OF DASH) BLU/WHT WIRE BODY ECU CLTB CLTE CLTS CLTS CLTB COMBINATION SWITCH DCTY DIMMER SWITCH DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) DRL ECU-IG FUSE FUSE GENERATOR GRN WIRE GRN/ORG WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HEAD HEAD TAIL AUTO HEAD TAIL OFF AUTO FOG LIGHT SWITCH HEAD TAIL OFF AUTO OFF HIGH LOW FLASH HOT IN ON OR ACC HOT IN ON OR START JUNCTION LEFT FRONT DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (BOTTOM OF LEFT "C" PILLAR) LIGHT CONTROL SWITCH LT GRN WIRE LT GRN/BLK WIRE PARKING BRAKE SWITCH (AT BASE OF BRAKE LEVER ASSEMBLY) PCTY PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH (BOTTOM OF RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY SWITCH (BOTTOM OF RIGHT "C" PILLAR) RLCY RRCY TAIL TAIL RELAY TURN SIGNAL FLASHER (LEFT END OF DASH) UNLOCK WARNING SWITCH WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 GND SG TH+ DMIN SWOT TAIL ACC CUT RELAY ACCESSORY METER AIR CONDITIONING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BODY ECU COMBINATION METER DCTY DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EB (ON LEFT FRONT INNER FENDER) ECU, MOTOR ECU-B FUSE ECU-IG FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) FROM COMBINATION METER FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOT W/ TAIL RELAY ENERGIZED IL (BEHIND RIGHT SIDE OF DASH) INTERIOR LIGHTS SYSTEM AIR CONDITIONING SYSTEM J/B 1 (BEHIND CENTER OF DASH) J/B 2 (BEHIND CENTER OF DASH) J/B 3 (BEHIND RIGHT SIDE OF DASH) KDSS IND KSWO LEFT FRONT DOOR COURTESY SWITCH (LOWER LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (BOTTOM OF LEFT "C" PILLAR) LT GRN WIRE LT GRN/BLK WIRE NAVIGATION SYSTEM OIL PRESSURE IND PANEL FUSE PCTY PNK PNK WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH (BOTTOM OF RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY SWITCH (BOTTOM OF RIGHT "C" PILLAR) RLCY RRCY RSCA OFF IND SPD IG STEREO COMPONENT AMPLIFIER TC DATA VIO WIRE VIO/RED WIRE VSC TRAC IND WARNING SYSTEM ENGINE CONTROLS SYSTEM AIR CONDITIONING SYSTEM WASHER LEVEL SENSOR (AT RIGHT FRONT OF ENGINE COMPT, ON WASHER FLUID RESERVOIR) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

A/T SHIFT INDICATOR ACAN BLU WIRE BLU/WHT WIRE BODY ECU BRN WIRE CANADA COMBINATION METER COMBINATION SWITCH DOME FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EG (REAR OF LEFT CYLINDER HEAD) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) J/B FUSE FUSE GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HEATER CONTROL SWITCH HOT AT ALL TIMES HOT IN ON OR START IG ILL- TR IJ (BEHIND LEFT CENTER OF DASH) ILEW ILLUMINATION J/B 1 (BEHIND CENTER OF DASH) J/B 2 (BEHIND CENTER OF DASH) J/B 3 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 11 (LEFT END OF DASH) JUNCTION CONNECTOR 14 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 19 (RIGHT SIDE JUNCTION CONNECTOR 19 (RIGHT SIDE OF DASH) OF DASH) OFF HEAD TAIL LIGHT CONTROL SWITCH PANEL FUSE GAUGE FUSE PASSENGER AIR BAG ON/OFF INDICATOR, SEAT BELT WARNING LIGHT RED WIRE RED/BLU WIRE RHEOSTAT SUB BODY ECU (BELOW LEFT "D" PILLAR, BEHIND TRIM) TAIL TAIL IND TAIL RELAY WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

A/C CONTROL ASSEMBLY (BEHIND RIGHT SIDE OF DASH) A/T SHIFT INDICATOR ACAN BLU WIRE BODY ECU BRN WIRE COMBINATION METER COMBINATION SWITCH DOME FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EG (ON REAR OF LEFT CYLINDER HEAD) ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) J/B FUSE FUSE GRN WIRE GRN/RED WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR START IG ILL- TR ILEW ILLUMINATION J/B 1 (BEHIND CENTER OF DASH) J/B 2 (BEHIND CENTER OF DASH) J/B 3 (BEHIND RIGHT SIDE OF DASH) JUNCTION CONNECTOR 11 (LEFT END OF DASH) JUNCTION CONNECTOR 14 (LEFT SIDE OF DASH) JUNCTION CONNECTOR 19 (RIGHT SIDE OF DASH) OFF HEAD TAIL LIGHT CONTROL SWITCH PANEL FUSE GAUGE FUSE PASSENGER AIR BAG ON/OFF INDICATOR, SEAT BELT WARNING LIGHT GND ACAN RED WIRE RED/BLU WIRE RHEOSTAT SUB BODY ECU (BELOW LEFT "D" PILLAR, BEHIND TRIM) TAIL TAIL IND (CANADA) TAIL RELAY WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

1 2 3 4 5 6 7 8 9 +B RTOT RTIN LTOT ACC CUT RELAY BATT CHG FUSE BATT CHG RELAY BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BODY ECU BRN WIRE DAC RELAY DRIVER SIDE J/B (BEHIND LOWER LEFT END OF DASH) EB (ON LEFT FRONT INNER FENDER) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) ENGINE ROOM R/B 4 (ON LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES JUNCTION CONNECTOR 19 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 2 JUNCTION CONNECTOR 30 (LEFT REAR OF VEHICLE, BEHIND BUMPER) JUNCTION CONNECTOR 31 (LEFT REAR OF VEHICLE, BEHIND BUMPER) JUNCTION CONNECTOR 32 (LEFT REAR OF JUNCTION CONNECTOR 7, 8 (LEFT END OF DASH) LT GRN WIRE RED WIRE RED/BLK WIRE RED/YEL WIRE SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) STIN LTIN STOP FUSE TAIL BATT STTL B/UP STTR GND BRK 2 3 4 5 6 7 TOWING BRAKE FUSE TOWING CONVERTER RELAY (ON LEFT SIDE OF CARGO AREA) TOWING FUSE TOWING TAIL RELAY TRAILER SOCKET TURN, HAZ FUSE VEHICLE, BEHIND BUMPER) BP WHT WIRE WHT/BLK WIRE YEL WIRE