Lexus GS IV facelift (2015-2020) relay 1 energized Wiring diagrams

ABS 1 FUSE ABS 2 FUSE BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY BRAKE PEDAL LOAD SENSING SWITCH (BRAKE PEDAL SUPPORT ASSEMBLY) BRN WIRE COMPUTER DATA LINES SYSTEM DRIVING SUPPORT ECU ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY FSW+ GAUGE FUSE GRN WIRE GRY WIRE HOLD HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ASSEMBLY LEFT COWL SIDE J/B LEFT FRONT SPEED SENSOR LEFT REAR SPEED SENSOR LF+ LH ECU-IG FUSE LR (-) LT BLU WIRE LT GRN WIRE MPX-B FUSE PNK BZ WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RF+ RH ECU-IG FUSE RIGHT COWL SIDE J/B RIGHT FRONT SPEED SENSOR RIGHT REAR SPEED SENSOR SATELLITE SWITCH SET SKID CONTROL BUZZER ASSEMBLY VSC OFF SWITCH W/O VGRS WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER ASSEMBLY (BEHIND RIGHT CENTER OF DASH) A/C FUSE A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) AMBIENT TEMPERATURE SENSOR (THERMISTOR ASSEMBLY) AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLU WIRE BLW BRN WIRE CLTB CLTE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM DEFOGGER SYSTEM DGS ECO SWITCH ECOS ENGINE ROOM J/B 2 ASSEMBLY FDEF FRONT SEAT HEATER SWITCH GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LH-IG FUSE LOUT LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B 1 ASSEMBLY MAIN BODY ECU MGC NAIN NANO PNK WIRE PRE RDEF REAR A/C SWITCH REAR CONTROL SWITCH RED WIRE REFRESHING SEAT SWITCH RELAY 1 ENERGIZED RH ECU-IG FUSE RH-IG FUSE RIGHT COWL SIDE J/B RLIN ROOM TEMPERATURE SENSOR (COOLER THERMISTOR) ROUT RR ECU-IG FUSE SEATS SYSTEM SG-1 SG-3 SHD SHDE SHP+ SHPE SMOG VENTILATION SENSOR SOL + SOLAR SENSOR TAM TFAL TFAR TSD TSL TSP TSR VIO WIRE W/ ION GENERATOR 1 SUB-ASSEMBLY 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

BHT BLK WIRE BTM EHT ETM- GRY WIRE HEATER CONTROL ASSEMBLY INTEGRATION CONTROL, PANEL ASSEMBLY KF (LEFT SIDE OF DASH) LEFT COWL SIDE J/B LH ECU-IG FUSE LT GRN WIRE RELAY 1 ENERGIZED RELAY 2 ENERGIZED RIGHT COWL SIDE J/B SPIRAL CABLE SUB-ASSEMBLY STEERING COLUMN) STEERING HEATER STEERING WHEEL HEATER CONTROL ASSEMBLY STEERING WHEEL) STRG HTR FUSE WHT/BLK WIRE

3 4 ILL+ ALT ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE DECL DECR DEF DEFOGGER SYSTEM DRL DRLL DRLR ENGINE ROOM J/B 1 ASSEMBLY ENGINE ROOM R/B 1 ASSEMBLY FFG FFGL FFGR GNDA (-) GNDB GRN WIRE GRY WIRE HEADLIGHTS SYSTEM HLHL HLHR HLHS HOT AT ALL TIMES ILL (-) B+ IND 14 15 INTEGRATION CONTROL, PANEL ASSEMBLY INTEGRATION RELAY LEFT COWL SIDE J/B LH ECU-IG FUSE LH-IG FUSE LT GRN WIRE MAIN BODY ECU NAVIGATION SYSTEM P/I DC/DC FUSE P/I-B 1 FUSE PANL PNK WIRE PNL PNLS POWER WINDOWS SYSTEM RDEF RED WIRE RELAY 1 ENERGIZED RSSH SEATS SYSTEM SHAD STOP TAIL TLP VIO WIRE WHT WIRE WHT/BLK WIRE 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 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

AIR BAG ECU ASSEMBLY AIR BAG FUSE AUTO BLK WIRE BLU WIRE BSW BUCKLE SWITCH CAN I/F CANADA USA COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 2 ASSEMBLY GAUGE FUSE GRN WIRE GRY WIRE HEAD HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LEFT FRONT OCCUPANT CLASSIFICATION SENSOR LEFT FRONT SEAT INNER BELT ASSEMBLY LEFT REAR OCCUPANT CLASSIFICATION SENSOR LH J/B-B FUSE LH-IG FUSE LIGHT CONTROL SWITCH LSP + LT BLU WIRE LT GRN WIRE MAIN BODY ECU OCCUPANT DETECTION ECU OFF DRL OFF ORG/ WIRE PASSIVE RESTRAINTS SYSTEM PNK BGND WIRE PNK WIRE RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RIGHT COWL SIDE J/B RIGHT FRONT INNER SEAT BELT ASSEMBLY SEAT POSITION AIR BAG SENSOR SGD SIG SPEAKER SVC TAIL TELLTALES WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

ALSI AMPLIFIER ANTENNA ASSEMBLY 1 ANTENNA ASEL BLK WIRE BLU WIRE CAN I/F CERTIFICATION ECU COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM CSEL DATA DISPLAY DRIVER ENGINE ROOM R/B 1 ASSEMBLY ENGINE ROOM R/B 2 ASSEMBLY F IN F OT FR- PNK RR+ WIRE FRONT TIRE PRESSURE MONITOR INITIATOR GAUGE FUSE GRY WIRE HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B LH J/B-B FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B ASSEMBLY MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE NCA WIRE ORG/ WIRE PNK CSEL WIRE PNK R IN WIRE PNK WIRE R OT RCO RDAM REAR TIRE PRESSURE MONITOR INITIATOR RED WIRE RELAY 1 ENERGIZED RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B RIGHT END OF DASH) RR J/B-B FUSE SIL TELLTALES TIRE PRESSURE MONITOR INITIATOR DRIVER VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE