Lexus GS IV facelift (2015-2020) integration relay Wiring diagrams

ABS 1 FUSE ABS 2 FUSE ABS MAIN 2 FUSE ABS MAIN 3 FUSE ABS- MAIN 1 FUSE ALT BLK WIRE BLU WIRE BRN WIRE CAN I/F I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY GAUGE FUSE GNDA (-) GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY LED DRIVER LT GRN WIRE P/I DC/DC FUSE P/I-B 1 FUSE PNK WIRE RED WIRE RELAY ENERGIZED SPEAKER STOP STOP LIGHT SWITCH ASSEMBLY TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

A/F RELAY BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BRAKE ACTUATOR ASSEMBLY BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRN WIRE COMPRESSOR W/ MOTOR ASSEMBLY EFI MAIN 2 RELAY EFI- MAIN 1 RELAY ENGINE WATER PUMP ASSEMBLY FAN 1 RELAY FRONT STEERING CONTROL ECU FRONT WIPER DEICER (WINDSHIELD GLASS) HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY IGCT RELAY INTEGRATION RELAY INV W/P RELAY INVERTER W/ CONVERTER ASSEMBLY INVERTER WATER PUMP ASSEMBLY KICK DOWN SWITCH ASSEMBLY LEFT FRONT ABSORBER CONTROL ACTUATOR LEVEL WARNING SWITCH ASSEMBLY OIL PMP RELAY POWER STEERING ECU ASSEMBLY RIGHT END OF DASH) RIGHT FRONT ABSORBER CONTROL ACTUATOR SKID CONTROL ECU ASSEMBLY STOP LIGHT SWITCH ASSEMBLY WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY WIRELESS DOOR LOCK BUZZER

A/T SHIFT POSITION INDICATOR (SHIFTING HOLE FRAME SUB-ASSEMBLY) AIR BAG ECU ASSEMBLY BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY ELECTRIC PARKING BRAKE SWITCH ASSEMBLY ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 3 ASSEMBLY FRONT WIPER DEICER (WINDSHIELD GLASS) INTEGRATION RELAY KICK DOWN SWITCH ASSEMBLY LEFT VVT RELAY LT GRN WIRE PARKING LIGHT SWITCH ASSEMBLY RADIO RECEIVER ASSEMBLY REAR SUNSHADE SWITCH ASSEMBLY REFRESHING SEAT SWITCH REMOTE OPERATION SWITCH RIGHT VVT RELAY SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY STOP LIGHT SWITCH ASSEMBLY W/ CLIMATE CONTROL SEAT WHT/BLK WIRE WINDSHIELD WIPER MOTOR ASSEMBLY YAW RATE SENSOR 1

ALT ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE DEC DECL DECR DEF DEFOGGER SYSTEM ECU 3 4 ILL+ ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY GNDA (-) GNDB GRN WIRE GRY WIRE HEADLIGHTS, EXTERIOR LIGHTS SYSTEMS HOT AT ALL TIMES ILL (-) B+ IND 14 15 INTEGRATION CONTROL, PANEL ASSEMBLY INTEGRATION RELAY INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM KA (LEFT KICK PANEL) LEFT COWL SIDE J/B LH ECU-IG FUSE LH-IG FUSE LT GRN WIRE P/I ALT FUSE P/I-B 1 FUSE PNK WIRE PNL PNLS POWER WINDOWS SYSTEM RDEF RED WIRE RELAY 1 ENERGIZED RSSH SEATS SYSTEM SHAD SOUND SYSTEMS STOP TAIL TLP VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ABS 2 FUSE ABS MAIN 2 FUSE ABS- MAIN 1 FUSE ALT ANTI-LOCK BRAKES SYSTEM ARS FUSE BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE CAPACITOR FUSE D/C CUT FUSE DC/DC FUSE DOME FUSE DOOR LOCKS, ELECTRONIC POWER STEERING, ANTI-THEFT SYSTEMS ECU-B FUSE ELECTRONIC POWER STEERING SYSTEM ENG R/B-B FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY EPB FUSE EPS FUSE EPS-B FUSE ETCS FUSE FROM IGCT 1 FUSE (DIAGRAM 1 OF 7) FUSIBLE LINK BLOCK ASSEMBLY GRN WIRE GRY WIRE H-LP LH FUSE H-LP RH FUSE HEADLIGHTS SYSTEM HORN FUSE HORNS SYSTEM IGCT 1 FUSE IGCT RELAY INTEGRATION RELAY INV W/P FUSE LEFT COWL SIDE J/B LH J/B-B FUSE LT GRN WIRE LUG J/B DC/DC FUSE MAIN BODY ECU MEMORY SYSTEMS MPX-B FUSE ODS FUSE OIL PMP FUSE OIL PUMP RELAY P/I DC/DC FUSE P/I-B 1 FUSE PNK WIRE POWER WINDOWS, DOOR LOCKS, ANTI-THEFT, MEMORY SYSTEMS RED WIRE RH J/B DC/DC FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) RR J/B-B FUSE SHIFT INTERLOCK SYSTEM TO ABS MAIN 2 FUSE (DIAGRAM 1 OF 7) TO LEFT COWL SIDE J/B (DIAGRAM 7 OF 7) TO LH J/B DC/DC FUSE (DIAGRAM 2 OF 7) TO LUGGAGE ROOM J/B 1 ASSEMBLY (DIAGRAM 6 OF 7) TO RH J/B-B FUSE (DIAGRAM 2 OF 7) TO RIGHT COWL SIDE J/B (DIAGRAM 3 OF 7) TRUNK, TAILGATE, FUEL DOORS SYSTEM VGRS FUSE VIO WIRE WARNING, SUPPLEMENTAL RESTRAINTS SYSTEMS WHT WIRE YEL WIRE

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

A/C AMPLIFIER ASSEMBLY BLK WIRE COMPUTER DATA LINES SYSTEM DEF ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY GNDB HOT AT ALL TIMES INTEGRATION RELAY LEFT "C" PILLAR) LEFT COWL SIDE J/B LH-IG FUSE LT GRN WIRE NOISE FILTER (REAR WINDOW DEFOGGER) P/I-B 1 FUSE RADIO RECEIVER ASSEMBLY RDEF REAR WINDOW DEFOGGER (BACK WINDOW GLASS) REAR WINDOW DEFOGGER SWITCH RED WIRE RELAY ENERGIZED VIO WIRE WHT WIRE YEL WIRE

2.0L TURBO 3.5L BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM J/B 2 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY GNDA (-) GNDB GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION RELAY LEFT COWL SIDE J/B LT BLU WIRE P/I-B 1 FUSE PNK WIRE RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B STOP FUSE STOP LIGHT SWITCH ASSEMBLY (TOP OF BRAKE PEDAL ASSEMBLY) THROTTLE BODY ASSEMBLY W/ MOTOR (TOP RIGHT REAR OF ENGINE) THROTTLE BODY W/ MOTOR ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE