Lexus GS IV (2011-2015) display driver 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

+S SI 14 25 11 CANL CANH BLK WIRE BLU WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR CORNER OF ENGINE COMPT) CAN I/F SPEAKER COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ES IG+ FUSE GAUGE FUSE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LED DRIVER LT BLU WIRE LT GRN WIRE MULTI- FUNCTION INDICATOR LAMP RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) STOP FUSE STOP LIGHT SWITCH (BRAKE PEDAL BRACKET) TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+S +B 14 13 CANH CANL 2 4 1 ES SIG MPX PNK WIRE 4 5 20 2 8 3 7 PNK WIRE 4 7 EW WF AUTO WIPER SWITCH BLK WIRE BLU WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOWN DRIVING SUPPORT ECU (LEFT END OF DASH) ENERGIZED RIGHT COWL SIDE WASH FUSE J/B (RIGHT END OF DASH) ENGINE ROOM R/B 3 (LEFT REAR OF ENGINE COMPT) FUSE GRN WIRE GRY WIRE HI UP NORMAL HI UP NORMAL DOWN OFF HOT W/ INT RELAY LED DRIVER LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MAIN BODY ECU ACAN MAP LIGHT ASSEMBLY OF DASH) OFF WIPER SWITCH PNK 15 1 26 WIRE PNK WIRE RAIN SENSOR (FRONT CENTER OF ROOF) RED WIRE TAIL TELTALES I/F VIO WIRE VOLUME SWITCH INT SWITCH WASH WASHER SWITCH WATER LEVEL WARNING SWITCH (IN WASHER FLUID RESERVOIR) WHT WIRE WHT/BLK WIRE WINDSHIELD WASHER MOTOR, PUMP (ON WASHER FLUID RESERVOIR) WINDSHIELD WIPER SWITCH ASSEMBLY WIP RELAY WIP-S FUSE YEL WIRE

BLK WIRE BLU WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DRLL ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ALT ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FFG DRL HLHS TAIL FFGL FFGR FUSE GAUGE FUSE GNDA (-) GNDB DRLR TLP HLHR GRN WIRE GRY WIRE H-LP LO RELAY HLHL HOT AT ALL TIMES INTEGRATION RELAY LED DRIVER LEFT HEADLIGHT ASSEMBLY LO HI LH-LO H-LP FUSE LT GRN WIRE P/I DC/DC RED WIRE RELAY ENERGIZED RH-LO H-LP FUSE RIGHT HEADLIGHT ASSEMBLY LO HI SPEAKER TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE 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

+S SI IG+ 1 2 GND LBL 30 29 COMPUTER DATA LINES SYSTEM 45 23 LBL BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOWN ENGINE CONTROLS SYSTEM ER EL HZSW EXTERIOR LIGHTS SYSTEM (BASE OF LEFT KICK PANEL) EXTERIOR LIGHTS SYSTEM DISP FLASHER CIRCUIT FR FE CANH CANL ES EPB FUEL SENDER GAUGE ASSEMBLY (FUEL TANK) FUEL SENDER GAUGE ASSEMBLY 2 FUSE GRN WIRE GRY WIRE HAZ FUSE HAZM HEADUP DISPLAY CIRCUIT HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) MPX-B FUSE ILL INTERIOR LIGHTS SYSTEM ILL- EP IND INTERIOR LIGHTS INTERIOR LIGHTS SYSTEM ILL + LED TELLTALE DRIVER LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT TURN LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MSSL RSET ODO/TRIP SWITCH A/B PNK 1 2 3 WIRE PNK PNK WIRE PNK WIRE RED WIRE RELAY RIGHT RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT STEERING PAD SWITCH STEERING PAD SWITCH ASSEMBLY SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) SPEAKER SPIRAL CABLE (IN STEERING COLUMN) SYSTEM TRIP SWITCH TURN TX+ CS UP A/B VIO WIRE W/ POWER TRUNK OPENER, CLOSER WHT WIRE WHT/BLK WIRE WIPER/ WASHER SYSTEM YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 PNK IG WIRE 13 14 CANL CANH 30 16 2 BECU 31 32 ALTB IG 5 15 LIN BLK WIRE BLU WIRE BRN WIRE CAN I/F CLOSE CLS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DOWN ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE HOT AT ALL TIMES I/F LED DRIVER ILLB LEFT COWL SIDE J/B LEFT FRONT DOOR COURTESY SWITCH (LEFT FRONT "B" PILLAR) LH J/B-B FUSE LH-IG FUSE LILL LT BLU WIRE LT GRN WIRE MAIN BODY ECU (LEFT END OF DASH) MAP LIGHT ASSEMBLY MPX-B FUSE OPN PNK WIRE RED WIRE RELAY ENERGIZED S/ROOF FUSE SLIDING ROOF CONTROL SWITCH SLIDING ROOF SWITCH SPEAKER TELLTALES UP CLS DWN OPN VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 IG 1 2 3 4 5 FR+ FR- RR+ RR- GND 13 14 4 16 CANL CANH PRG RDA 2 1 F OT F IN 2 1 R OT R IN PNK WIRE 32 31 30 11 IG ALTB BECU 6 7 8 SIL ANTENNA ANTENNA AMPLIFIER ASSEMBLY (RIGHT "C" PILLAR) BLK WIRE BLU WIRE CAN I/F CERTIFICATION ECU (RIGHT END OF DASH) CLSW RDA PRG CSEL +B ALSI DATA +5 ASEL COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER DRIVER TIRE PRESSURE MONITOR INITIATOR (W/ AUTO LOCATION) (RIGHT END OF DASH) ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RH-IG FUSE ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FRONT TIRE PRESSURE MONITOR INITIATOR (LEFT FRONT WHEELWELL) FUSE GAUGE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LED DRIVER LEFT COWL SIDE J/B (LEFT END OF DASH) LH J/B-B LH-IG FUSE LT GRN WIRE LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) MAIN BODY ECU (LEFT END OF DASH) MPX-B FUSE NCA WIRE PNK 51 64 63 65 WIRE PNK 7 6 15 16 CSEL RDAM RCO ASEL WIRE PNK WIRE REAR TIRE PRESSURE MONITOR INITIATOR (LEFT SIDE OF LUGGAGE COMPT) RED WIRE RELAY ENERGIZED RR J/B-B FUSE TELLTALES TIRE PRESSURE WARNING RESET SWITCH (TIRE PRESSURE WARNING SWITCH 1) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DISPLAY DRIVER GRN WIRE GRY WIRE KNOCK CONTROL SENSOR (BANK 1) (TOP RIGHT SIDE OF ENGINE) KNOCK CONTROL SENSOR (BANK 2) (TOP LEFT SIDE OF ENGINE) LED DRIVER LT BLU WIRE LT GRN WIRE MALFUNCTION IND LAMP PNK WIRE RED WIRE SHIELD SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) SPEAKERS TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIR CONDITIONING SYSTEM ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM BLK WIRE BLU WIRE BRN WIRE CAN I/F COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DISPLAY DRIVER ELECTRONIC POWER STEERING SYSTEM GMTG GMT GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES ENGINE MPX-B ROOM R/B 1 FUSE (LEFT SIDE OF ENGINE COMPT) LED DRIVER LT BLU WIRE LT GRN WIRE MJ CLK ITE ETI STB PNK IMO IMI WIRE PNK TOPM ETHO THO MMTG MMT WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) PSOK SFTD SFTU RED WIRE RELAY ENERGIZED GAUGE FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SHIFT INTERLOCK SYSTEM SHIFT INTERLOCK SYSTEM DASH) SHIFT INTERLOCK SYSTEM SHIFT INTERLOCK SYSTEM SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) SLP ABFS SLR+ PNK WIRE SP FD RV PNK WIRE SUPPLEMENTAL RESTRAINTS SYSTEM TC EVSW STP TELLTALES VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE