Lexus GX J150 (2009-2013) power supply circuit Wiring diagrams

7 3 8 4 6 2 LHM+ SML LH E SMGL 8 4 7 3 6 2 RH E SMGR RHM+ SMR PNK WIRE ASSEMBLY AUTO HEAD BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE CAMERA CANN CANP COMBINATION METER COMPUTER DATA LINES SYSTEM D/L 2 FUSE ECU- IG 1 FUSE ECU-B ASSEMBLY FUSE (LEFT SIDE OF ENGINE COMPT) ECU-IG 2 FUSE ENGINE ROOM R/B ENGINE ROOM R/B ASSEMBLY GAUGE FUSE GRN WIRE GRY WIRE HEAD HEADLAMP DIMMER SWITCH ASSEMBLY HEADLIGHT SWIVEL ECU ASSEMBLY (LEFT SIDE OF DASH) HOT AT ALL TIMES HOT W/ IG 1 RELAY ENERGIZED IND AFS OFF INIT INNER REAR VIEW MIRROR ASSEMBLY INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY LH- RH- SML LH+ LIFT HEADLIGHT ASSEMBLY LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MAP LIGHT ASSEMBLY MICRO COMPUTER OF DASH) PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RED/GRN WIRE RIGHT HEADLIGHT ASSEMBLY RIGHT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY SBF SHRL SBL SGF SGL SHB SHG SHRL SHRR SMBL SMBR SMGL SMGR PNK WIRE SMR RH+ CANH CANL IGS IG SUSPENSION CONTROL ECU (IF EQUIPPED) (LEFT SIDE OF DASH) TAIL (CANADA) OFF DRL OFF (USA) VIO WIRE W/ ELECTRONIC MODULATED AIR SUSPENSION W/O ELECTRONIC MODULATED AIR SUSPENSION WHT WIRE WHT/BLK WIRE

2 1 LBL GND 31 32 33 34 35 36 37 38 39 40 41 42 43 44 +BS ABS IND. ASSEMBLY ASSIST DOWNHILL BLK WIRE BLK/ WHT WIRE BLU WIRE BLU/RED WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRAKE FLUID LEVEL WARNING BRAKE IND BRN WIRE CANL CANH CANN CANP COMBINATION METER COMPUTER DATA LINES SYSTEM CONTROL IND CRAWL IND DIODE (STOP LIGHT) (LEFT SIDE OF DASH) DRIVING SUPPORT SWITCH CONTROL ECU (CENTER OF DASH) ECU-B +B FOUR WHEEL DRIVE CONTROL ECU (RIGHT SIDE OF DASH) GAUGE FUSE GRN WIRE HDCS INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LBL LCD LT GRN WIRE MASTER IND MICRO COMPUTER POWER SUPPLY CIRCUIT RED WIRE RELAY ENERGIZED RLP SELECT IND SLIP IND SWITCH (IN BRAKE FLUID MASTER CYLINDER RESERVOIR ASSEMBLY) TERRAIN MULTI- VIO WIRE VIO/GRN WIRE VSC OFF IND WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

ACCELERATION SENSOR (LEFT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIODE (SHIFT POSITION) (CENTER OF DASH) EFI FUSE EFI RELAY ENGINE ROOM J/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B ASSEMBLY GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LCD LT GRN WIRE MASTER IND ECU-B +B MICRO COMPUTER OF DASH) PARK/NEUTRAL POSITION SWITCH PNK WIRE POWER SUPPLY CIRCUIT RED WIRE SHIFT POSITION INDICATOR (CONSOLE BOX ASSEMBLY) STARTING/ CHARGING SYSTEM STRT IND TRANSMISSION CONTROL SWITCH (CENTER OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE

7 6 20 19 5 17 3 4 18 11 25 STP RL- RL+ RR- RR+ FR- FR+ FL+ FL- CAN H CAN L BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE BRN WIRE CAN L COMBINATION METER ASSEMBLY COMPT) COMPUTER DATA LINES SYSTEM CRUISE CONTROL MAIN SWITCH CRUISE IND DIODE (STOP LIGHT) ENGINE ROOM R/B ASSEMBLY ENGINE ROOM R/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGN FUSE FUSE (LEFT SIDE OF DASH) IND INSTRUMENT PANEL J/B ASSEMBLY J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LEFT REAR SPEED SENSOR (LEFT REAR WHEEL HUB ASSEMBLY) LT GRN WIRE MICRO COMPUTER ON OFF PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RELAY ENERGIZED RIGHT REAR SPEED SENSOR (RIGHT REAR WHEEL HUB ASSEMBLY) SET IND SPIRAL CABLE SUB-ASSEMBLY STOP FUSE STOP LP RELAY VIO WIRE WHT WIRE

BACK DOOR LOCK ASSEMBLY BACK WINDOW LOCK ASSEMBLY BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COURTESY DETECTION DETECTION UNLOCK DOOR ECU-B +B GRN WIRE GRY WIRE IND J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LCD LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR LOCK ASSEMBLY LOCK LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER POWER SUPPLY CIRCUIT RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT FRONT DOOR W/ MOTOR LOCK ASSEMBLY RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY UNLOCK VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER

ASSEMBLY AUTO BEAM BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CONTROL DRL RELAY ECU-B +B COMBINATION METER ASSEMBLY ECU-B FUSE ENGINE ROOM R/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) FOG IND FRONT GRN WIRE GRN/BLK WIRE GRY WIRE H-LP LO RELAY HI H-IP FUSE HID EXCEPT HID HOT AT ALL TIMES IND J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LEFT HEADLIGHT LH-HI H-LP FUSE LH-LO H-LP FUSE LIGHT LOW (HID) LT GRN WIRE MICRO COMPUTER PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RED/WHT WIRE RH-HI H-LP FUSE RH-LO H-LP FUSE RIGHT HEADLIGHT WHT WIRE WHT/BLK WIRE

A/B ABS IND DRIVER'S ASF OFF IND AUTO CRUISE IND AUTO IND BEAM IND BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRAKE IND BRN WIRE CANADA USA CANL CANH CENTER DIFFERENTIAL LOCK IND CHANGE IND CHG- CHK +S SI WLVL R/O PNK WIRE CLEARANCE SONAR IND COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CRAWL IND CRUISE IND DOOR IND DOWNHILL ASSIST CONTROL IND ECM (RIGHT SIDE ECO IND ECU-B +B FRONT FOG IND ECU-B FUSE ECU-IG 2 FUSE ENGINE OIL PRESSURE SWITCH ASSEMBLY (FRONT OF ENGINE) ENGINE ROOM R/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) FUEL GAUGE FUEL IND FUEL SENDER GAUGE ASSEMBLY (LEFT REAR WHEEL WELL) GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) INTERIOR LIGHTS SYSTEM WARNING SYSTEMS J/B 3 (LEFT SIDE J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) KDSS IND LCD LDA IND LH TURN IND LIN LT GRN WIRE MALFUNCTION IND MASTER IND TAIL IND HEAD IND MICRO COMPUTER MULTI-TERRAIN SELECT IND OF DASH) PCS IND PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RH TURN IND RHUP RHDW TIRE PNK WIRE RSCA IND RSET PNK WIRE SEAT BELT IND SET IND SLIP IND SPEEDOMETER SRS IND STARTING/CHARGING SYSTEM ENGINE CONTROLS SYSTEM TACHOMETER TEMPERATURE GAUGE TIRE PRESS IND TIRE PRESSURE WARNING ECU (LEFT SIDE OF LUGGAGE COMPT) TRIP SWITCH VIO WIRE VSC OFF IND WARNING SYSTEMS EXTERIOR LIGHTS SYSTEM WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM WRNP YEL WIRE

8 7 6 5 4 3 2 1 IGB BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (CENTER OF DASH) ECU- IG 1 FUSE ECU-IG 2 FUSE GAUGE FUSE GRN WIRE HITP GND HOT IN ON OR START INSTRUMENT PANEL J/B ASSEMBLY (LEFT SIDE OF DASH) J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LANE RECOGNITION CAMERA SENSOR ASSEMBLY (CENTER OF DASH) LDA LDA IND LT BLU WIRE LT GRN WIRE MAP LIGHT ASSEMBLY MICRO COMPUTER (RIGHT SIDE OF ENGINE) PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY SPIRAL CABLE SUB-ASSEMBLY SPSW HITP VIO WIRE WHT WIRE

BACK DOOR LOCK ASSEMBLY BACK WINDOW LOCK ASSEMBLY BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COURTESY DETECTION DETECTION UNLOCK DOOR ECU-B +B GRN WIRE GRY WIRE IND J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LCD LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR LOCK ASSEMBLY LOCK LT BLU WIRE LT GRN WIRE MASTER IND MICRO COMPUTER POWER SUPPLY CIRCUIT RED WIRE RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RIGHT FRONT DOOR W/ MOTOR LOCK ASSEMBLY RIGHT FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY UNLOCK VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER

AIR BAG SENSOR ASSEMBLY (CENTER CONSOLE) BLK WIRE BLU WIRE BRN WIRE BSW CANL CANH 39 40 CANL COMPUTER DATA LINES SYSTEM COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY, NAVIGATION MODULE DISPLAY DOOR IND DRIVER'S SEAT BELT ECU-B +B ECU-B FUSE ECU-IG 2 FUSE ENGINE ROOM R/B ASSEMBLY (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START INSTRUMENT PANEL J/B ASSEMBLY INTEGRATION IG+ CONTROL, PANEL PASSENGER ASSEMBLY SEAT BELT WARNING LIGHT J/B 3 (LEFT SIDE OF DASH) J/B 4 (CENTER OF DASH) LAPL LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LT GRN WIRE MAIN BODY ECU MICRO COMPUTER OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) PASSENGER SEAT BELT WARNING LIGHT PBEW PNK BGND WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RIGHT FRONT SEAT INNER BELT ASSEMBLY (UNDER FRONT PASSENGER'S SEAT) VIO WIRE W/ NAVIGATION W/O NAVIGATION WHT WIRE WRNP YEL WIRE