Lexus GS IV (2011-2015) lh ecu-ig fuse Wiring diagrams

1 2 3 4 5 6 7 8 9 10 SMBL SMBR 31 32 ALTB IG 4 2 FRCY FLCY 6 29 RCTY HEAD BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) DISPLAY DRIVER ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRY WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT LEVELING, SWIVEL MOTOR HEADLIGHT SWIVEL ECU ASSEMBLY (BEHIND LEFT KICK PANEL) HEADLIGHT SWIVEL MAIN SWITCH HOT AT ALL TIMES INIT INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LCTY LED DRIVER LEFT COWL SIDE J/B LEFT HEADLIGHT ASSEMBLY LEFT REAR HEIGHT CONTROL SENSOR SUB-ASSEMBLY (LEFT REAR WHEELWELL) LH E LH ECU-IG FUSE LH J/B-B FUSE LH-IG FUSE LHM+ LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE LVL MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE MSW OFF AUTO TAIL HEAD PNK RH+ CANH CANL IGS IG COMPUTER DATA LINES SYSTEM WIRE PNK WIRE RED WIRE RELAY ENERGIZED RH E RHM + RIGHT HEADLIGHT ASSEMBLY SBR SHRL PNK WIRE SGR SMBL SMBR SMGL SMGR SML SML LH+ SMR TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 PE PB A/C EVAPORATOR TEMPERATURE SENSOR A/C HARNESS ASSEMBLY A/C W/P RELAY B BUS BUS BUS G BLK WIRE BLU WIRE CLK+ COLOR (RED) WIRE COMPRESSOR W/ MOTOR ASSEMBLY (LEFT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (BROWN) CONNECTOR HOUSING COLOR (GRAY) CONNECTOR HOUSING COLOR (GREEN) CONNECTOR HOUSING COLOR (NATURAL) CONNECTOR HOUSING COLOR (RED) WIRE CONNECTOR HOUSING COLOR (SKY BLUE) DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (DEF) DAMPER SERVO MOTOR (DRIER SIDE AIR VENT MODE) DAMPER SERVO MOTOR (DRIER SIDE UPPER AIR MIX) DAMPER SERVO MOTOR (FRONT PASSENGER SIDE LOWER AIR MIX) DAMPER SERVO MOTOR (FRONT PASSENGER SIDE UPPER AIR MIX) DAMPER SERVO MOTOR (REAR SIDE AIR MIX) (W/ 3-ZONE A/C) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ETI GRN WIRE ITE LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE ORG/ WIRE PNK WIRE PUMP RED WIRE RELAY ENERGIZED SGA STB STBI DOUT DIN CLK GND TEA VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (ON COOLING FAN MOTOR) COOLING FAN MOTOR (BEHIND RADIATOR) M- COOLING FAN MOTOR 2 (BEHIND RADIATOR) M- E.F.I ENGINE COOLANT TEMPERATURE SENSOR (TOP RIGHT REAR OF ENGINE) ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) FAN 1 FUSE FAN 1 RELAY GRY WIRE HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) LEFT COWL SIDE J/B LH ECU-IG FUSE RED WIRE RELAY ENERGIZED RFC WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

BLK WIRE BLU WIRE BRN WIRE CCS HITP GND NAVIGATION SYSTEM COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY (LEFT END OF DASH) EFI MAIN FUSE EFI MAIN RELAY 1 EFI MAIN RELAY 2 ENERGIZED LUGGAGE ROOM J/B 1 (LEFT SIDE OF FUSE LUGGAGE COMPT) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) F/PMP FUSE FUEL PUMP CONTROL ECU (LEFT SIDE OF LUGGAGE COMPT) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IGB J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (CENTER OF FRONT FASCIA) NETWORK GATEWAY ECU (RIGHT CENTER OF DASH) PBSW SPSW PNK WIRE PRE-COLLISION SYSTEM CANCEL SWITCH RED WIRE RELAY ENERGIZED SGND STP+ VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/ WASH CCHG WASHER SYSTEM WIPER/ WASHER WNKR WNKL SYSTEM YEL WIRE

31 32 ALTB IG 4 2 FRCY FLCY 6 29 RCTY HEAD BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 DISPLAY DRIVER ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHT LEVELING MOTOR HEADLIGHT SWIVEL ECU ASSEMBLY (BEHIND LEFT KICK PANEL) HOT AT ALL TIMES INIT INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM LCTY LED DRIVER LEFT COWL SIDE J/B LH - LH E LH ECU-IG FUSE LH J/B-B FUSE LH-IG FUSE LHM+ LHT RHT LIGHT CONTROL SWITCH LT GRN WIRE LVL MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE OFF AUTO TAIL HEAD PNK RH+ CANH CANL IGS IG COMPUTER DATA LINES SYSTEM WIRE PNK WIRE RED WIRE RELAY ENERGIZED RH E RHM + RIGHT HEADLIGHT ASSEMBLY SBR SHRL PNK WIRE SGR SMGL SMGR TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE

14 13 CANH CANL 21 20 22 CLTS CLTB CLTE 23 14 ACAN TRLY 30 28 29 TAIL 32 31 30 IG ALTB BECU 5 6 3 CLTS CLTB CLTE AGND AUTO TAIL OFF HEAD AUTOMATIC LIGHT CONTROL SENSOR (UPPER RIGHT SIDE OF DASH) BLK WIRE BLK/ WHT WIRE BLU WIRE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GLOVE BOX LIGHT (INTERIOR ILLUMINATION LIGHT SUB ASSEMBLY) GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ INSTRUMENT PANEL REGISTER ASSEMBLY 2 J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LH J/B-B FUSE LH-IG FUSE LIGHT CONTROL SWITCH LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE P/I-B 1 FUSE PANL PNK WIRE POWER SWITCH RED WIRE RELAY ENERGIZED REMOTE OPERATION SWITCH REAR SUNSHADE SWITCH ASSEMBLY SHIFT POSITION INDICATOR SWIL VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE

ALT ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM NAVIGATION SYSTEM BLK WIRE BLU WIRE DEF DEFOGGER SYSTEM DRL DRLL DRLR ENGINE ROOM J/B 1 ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 FFG FFGL FFGR GNDA (-) GNDB GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HLHL HLHR HLHS HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY INTEGRATION RELAY LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LH-IG FUSE LT GRN WIRE MAIN BODY ECU P/I DC/DC FUSE P/I-B 1 FUSE PANL PNK WIRE PNL PNLS POWER WINDOWS SYSTEM RDEF RED WIRE RELAY ENERGIZED RSSH SEATS SYSTEM SHAD STOP TAIL TLP VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM

25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 GND BLK WIRE BLU WIRE BRN WIRE CCS HITP COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DRIVING SUPPORT ECU (LEFT END OF DASH) FUSE GRN WIRE GRY WIRE HITP HOT AT ALL TIMES IGB LANE RECOGNITION CAMERA SENSOR ASSEMBLY LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LT GRN WIRE PBSW SPSW PRE-COLLISION SYSTEM CANCEL SWITCH (PRE-CRASH SYSTEM CANCEL SWITCH ASSEMBLY) RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) STP+ VIO WIRE WASH CCHG WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY WIPER/WASHER SYSTEM WNKR WNKL YEL WIRE

A/C TI, TE P/W-B FUSE FUSE FUSE MAIN BODY ECU ACTG AIR CONDITIONING MEMORY SYSTEM SYSTEMS AIR CONDITIONING SYSTEM ANTI-LOCK ANTI-LOCK BRAKES BRAKES CONTROL CONTROL BLK WIRE BLU WIRE CRUISE COOLING CONTROL FANS SYSTEM SYSTEM D DOOR UNLOCK RELAY D/L 1 FUSE D/L 2 FUSE ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) F/L DOOR FUSE FL (-) FL S/HTR WIPER FUSE FUSE FROM ENGINE ROOM R/B (DIAGRAM 1 OF 4) FROM RIGHT COWL SIDE J/B (DIAGRAM 3 OF 4) FUEL OPN RELAY FUSE GRN WIRE HEADLIGHTS SYSTEM INSTRUMENT CLUSTER SYSTEM INTEGRATION RELAY J/C LH ECU-IG FUSE LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN BODY ECU MEMORY SYSTEMS MEMORY, POWER WINDOWS, DOOR LOCKS, ANTI-THEFT SYSTEMS NAVIGATION SYSTEM NAVIGATION, SOUND SYSTEMS NV-IR FUSE PASSIVE RESTRAINTS SYSTEM POWER CHARGE RELAY POWER EXTERIOR WINDOWS LIGHTS SYSTEM SYSTEM POWER TOPS SYSTEM POWER WINDOWS, DOOR LOCKS, ANTI-THEFT, MEMORY SYSTEMS RED WIRE RELAY RL HAZ DOOR FUSE FUSE S/ROOF FUSE SEATS SYSTEM SEATS, NAVIGATION, BODY COMPUTER SYSTEMS SHIFT INTERLOCK SYSTEM STARTING/ CHARGING SYSTEM STOP FUSE STRG LOCK FUSE TO LUGGAGE ROOM J/B 1 (DIAGRAM 2 OF 4) WHT WIRE WIPER-IG FUSE WIPER/WASHER SYSTEM WIPER/WASHER, MIRRORS, INTERIOR LIGHTS, NAVIGATION SYSTEMS YEL WIRE

28 29 CANH CANL BLK WIRE BLK/WHT WIRE BLU WIRE CAN (+) CAN I/F CAN- IGY CANH CANL PIG GNDY COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 2 GAUGE FUSE (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LH ECU-IG FUSE LT BLU WIRE LT GRN WIRE MOTOR MPX-B FUSE MRG MRV ARV ARG NCA WIRE PNK WIRE REAR STEERING CONTROL ECU REAR STEERING LINK ASSEMBLY (UNDER CENTER REAR OF VEHICLE) RED WIRE RELAY ENERGIZED REVOLUTION SENSOR STROKE SENSOR TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE