Lexus GS IV facelift (2015-2020) engine room r/b 1 assembly Wiring diagrams

2.0L TURBO 3.5L A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT CENTER OF DASH) A/C COMP FUSE BLK WIRE BLOWER MOTOR W/ FAN SUB-ASSEMBLY BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (3.5L) COOLING FAN MOTOR COOLING FAN MOTOR 2 DGS E.F.I. ENGINE COOLANT TEMPERATURE SENSOR ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY ENGINE ROOM R/B 3 FAN 1 FUSE FAN 1 RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES HTR FUSE ION GENERATOR 1 SUB-ASSEMBLY LOCK LT GRN WIRE PCL PNK WIRE PTC 1 FUSE PTC 1 RELAY PTC 2 FUSE PTC 2 RELAY RED WIRE RFC RIGHT END OF DASH) SEATS SEATS SYSTEM SG-2 SG-3 SG-4 SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

2.0L TURBO 3.5L BLK WIRE BLK/WHT WIRE BLU WIRE COOLING FAN ECU (2.0L TURBO) (REAR OF COOLING FAN MOTOR) COOLING FAN ECU 2 (2.0L TURBO) (REAR OF COOLING FAN MOTOR 2) COOLING FAN MOTOR COOLING FAN MOTOR 2 ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FAN 1 RELAY FAN 2 RELAY FAN 3 FUSE FAN-2 FUSE GRY WIRE GRY/YEL WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LH ECU- IG 2 FUSE LT GRN WIRE PNK WIRE RELAY 2 ENERGIZED WHT WIRE WHT/BLK WIRE YEL WIRE

22 23 DIM ACAN ACTG BLK WIRE BLU WIRE BZR CANN CANP DOOR LOCKS, ANTI-THEFT SYSTEMS DOOR LOCKS, ANTI-THEFT SYSTEMS (NOT USED) ENGINE ROOM R/B 1 ASSEMBLY FLLK GBS GRN WIRE GRY WIRE GSW HEADLIGHTS SYSTEM HORN HORNS SYSTEM HOT AT ALL TIMES INTERIOR LIGHTS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS KA (LEFT KICK PANEL) LCTY LCYL LEFT COWL SIDE J/B LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT POSITION CONTROL ECU ASSEMBLY LH J/B-B FUSE LH-IG FUSE LSWL LSWR LT BLU WIRE LT GRN WIRE LUGGAGE CLOSER MOTOR ASSEMBLY MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE MULTIPLEX NETWORK DOOR ECU MULTIPLEX TILT, TELESCOPIC ECU OPTION CONNECTOR (GLASS BREAKAGE SENSOR ECU) PANEL) PNK WIRE POWER DISTRIBUTION SYSTEM POWER TOPS SYSTEM POWER WINDOWS SYSTEM POWER WINDOWS, MEMORY SYSTEMS RCYL RED WIRE RELAY 1 ENERGIZED SSCL SUPPLEMENTAL RESTRAINTS SYSTEM (NOT USED) TMSW TRUNK, TAILGATE, FUEL DOORS SYSTEM TRUNK, TAILGATE, FUEL DOORS, DOOR LOCKS, ANTI-THEFT SYSTEMS TSW VIO WIRE W/ POWER TRUNK OPENER, CLOSER W/ POWER TRUNK OPENER, CLOSER W/O POWER TRUNK OPENER, CLOSER WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM YEL WIRE

BLK/BLU WIRE BLU WIRE BRN WIRE EC MIRROR EC+ ECI+ ENGINE ROOM R/B 1 ASSEMBLY GRY WIRE HOT AT ALL TIMES INNER REAR VIEW MIRROR ASSEMBLY LEFT COWL SIDE J/B LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER REAR VIEW MIRROR ASSEMBLY LH-IG FUSE LT BLU WIRE LT GRN WIRE MAP LIGHT ASSEMBLY MPX-B FUSE PNK EC+ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT OUTER REAR VIEW MIRROR ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE

ABSORBER CONTROL ECU AVS FUSE BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DUMY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FAL+ FAR- GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IGB LED LEFT FRONT ACCELERATION SENSOR LEFT FRONT SHOCK ABSORBER ASSEMBLY LEFT REAR SHOCK ABSORBER ASSEMBLY LT GRN WIRE MPX-B FUSE NORMAL PNK WIRE PWMS RAL+ RAR+ RED WIRE RELAY 2 ENERGIZED RIGHT COWL SIDE J/B RIGHT FRONT SHOCK ABSORBER ASSEMBLY RIGHT REAR ACCELERATION SENSOR RIGHT REAR SHOCK ABSORBER ASSEMBLY SGB SGFL SGG SGND SGRR SGV SNOW SNWI SPCN SPORT TAN WIRE TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE ENGINE HOOD COURTESY SWITCH ENGINE ROOM R/B 1 ASSEMBLY GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT REAR DOOR LOCK ASSEMBLY LSSR LT BLU WIRE LT GRN WIRE MPX-B FUSE PNK WIRE RED WIRE RIGHT COWL SIDE J/B RIGHT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY UNLOCK DETECTION WHT WIRE WHT/BLK WIRE

BLK/BLU WIRE BLU WIRE BRN WIRE EC MIRROR EC+ ECI+ ENGINE ROOM R/B 1 ASSEMBLY GRY WIRE HOT AT ALL TIMES INNER REAR VIEW MIRROR ASSEMBLY LEFT COWL SIDE J/B LEFT FRONT MULTIPLEX NETWORK DOOR ECU LEFT OUTER REAR VIEW MIRROR ASSEMBLY LH-IG FUSE LT BLU WIRE LT GRN WIRE MAP LIGHT ASSEMBLY MPX-B FUSE PNK EC+ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RIGHT FRONT MULTIPLEX NETWORK DOOR ECU RIGHT OUTER REAR VIEW MIRROR ASSEMBLY WHT WIRE WHT/BLK WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F CLOSE CLS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOWN DWN ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY GAUGE FUSE GRN WIRE HOT AT ALL TIMES ILLB LED DRIVER LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH J/B-B FUSE LH-IG FUSE LILL LIN LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MAP LIGHT ASSEMBLY MPX-B FUSE OPN ORG/ WIRE PNK IG WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED S/ROOF FUSE SLIDING ROOF CONTROL ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) SLIDING ROOF CONTROL SWITCH SLIDING ROOF SWITCH IND SPEAKER TELLTALES WHT WIRE WHT/BLK WIRE YEL WIRE

3.5L 2.0L TURBO AGND BATTERY BLK WIRE BLK/BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE SWITCH GRN WIRE LT GRN WIRE PARK/NEUTRAL POSITION SWITCH ASSEMBLY RED WIRE ST FUSE ST RELAY STAR STARTER ASSEMBLY VIO WIRE WHT WIRE WHT/BLK 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