Lexus GS IV (2011-2015) a/c amplifier (center of dash) Wiring diagrams

1 2 3 4 5 6 SG-1 2 1 45 46 CANL CANH 22 20 13 14 9 2 CLTE CLTB CANL CANH 7 8 9 10 11 12 13 14 15 16 17 18 19 20 TSD TSP PRE TAM A/C AMPLIFIER (CENTER OF DASH) A/C FUSE A/C PRESSURE SENSOR (LIQUID TUBE SUB-ASSEMBLY) (LEFT FRONT OF ENGINE COMPT) A/C SWITCH ACCESSORY METER ASSEMBLY (W/ NAVIGATION) AUTOMATIC LIGHT CONTROL SENSOR (UPPER RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE CLTB CLTE COMBINATION SWITCH ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM CANH CANL DEFOGGER SYSTEM DGS ECO MODE SWITCH ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IG+ TX+ TX- RLIN LEFT COWL SIDE J/B (LEFT END OF DASH) LH ECU-IG FUSE LH-IG FUSE LT BLU WIRE LT GRN WIRE LUGGAGE MAIN BODY ECU (LEFT END OF DASH) MULTI-DISPLAY (W/O NAVIGATION) MULTIMEDIA MODULE RECEIVER ASSEMBLY NANO LOUT ROUT SEATS SYSTEM PNK 24 25 PNK WIRE PNK ECOS SHPE SHDE SEATS SYSTEM WIRE PNK PNK WIRE PNK TR TFAL TFAR TSL TSR WIRE PNK WIRE REAR CONTROL SWITCH REAR SIDE A/C SWITCH RED WIRE RELAY ENERGIZED RH-IG (RIGHT END FUSE OF DASH) RIGHT COWL SIDE J/B ROOM TEMPERATURE SENSOR (COOLER THERMISTOR) (LOWER LEFT CENTER OF DASH) RR ROOM ECU-IG J/B 1 FUSE (LEFT SIDE OF LUGGAGE COMPT) SEATS SYSTEM SEATS SYSTEM PNK RLIN NAIN IDH FDEF RDEF WIRE SHP+ SHD+ SEATS PNK SYSTEM WIRE SOLAR SENSOR TSL TSR TX- TX+ VIO WIRE W/ ION GENERATOR 1 SUB-ASSEMBLY WHT WIRE WHT/BLK WIRE YEL WIRE

+B GND SI 1 2 ACPE ACPB A/C AMPLIFIER (CENTER OF DASH) A/C W/P FUSE FAN 1 FUSE BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COOLING FAN ECU (ON COOLING FAN MOTOR) DGS 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) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FAN 1 RELAY GRN WIRE GRY WIRE HOT AT ALL TIMES HTR FUSE PTC 1 FUSE FUSE HUMIDITY SENSOR (A/C THERMISTOR ASSEMBLY) (IN OVERHEAD CONSOLE) IDH INVERTER W/ CONVERTER (RIGHT REAR CORNER OF ENGINE COMPT) ION GENERATOR 1 (IF EQUIPPED) (CENTER OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE PCL PTC 1 RELAY (IF EQUIPPED) PTC 2 + PTC 2 RELAY (IF EQUIPPED) RED WIRE RFC RIGHT END OF DASH) SEATS SEATS SYSTEM SYSTEM SG-2 SG-3 SG-4 SG-5 TFG TNG VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

14 6 CANL CANH 2 3 CANL CANH 22 13 CANL CANH 25 24 PNK WIRE 29 28 CANL CANH 3 4 CANH CANL 4 2 CANH CANL A/C AMPLIFIER (CENTER OF DASH) AIR BAG SENSOR ASSEMBLY BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT END OF DASH) COMBINATION METER ASSEMBLY DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) GRN WIRE GRY WIRE NETWORK GATEWAY ECU (RIGHT CENTER OF DASH) PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) RED WIRE SKID CONTROL ECU ASSEMBLY (LEFT REAR OF ENGINE COMPT) STEERING SENSOR (ON STEERING COLUMN) VIO WIRE WHT WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

1 2 3 4 5 6 IG 1 4 7 IG 2 1 3 BFB+ IG GND 20 34 TSR SG-3 3 4 CANH CANL 8 6 ILL- ILL+ A/C AMPLIFIER (CENTER OF DASH) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM CTB BBS SIGN GND CUSHION CENTER FL S/HTR FUSE FR S/HTR FUSE GRN WIRE GRY WIRE HOT W/ J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT SEAT HEATER ASSEMBLY LEFT SEAT BACK CLIMATE CONTROL BLOWER (DRIVER'S SEAT BACK) LEFT SEAT CLIMATE CONTROL CONTROL BLOWER LEFT SEAT HEATER CONTROL LH BOLSTER LOUT LT GRN WIRE LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) PNK SHD + WIRE PNK WIRE RED WIRE REFRESHING SEAT SWITCH RELAY ENERGIZED RH BOLSTER RH-IG (RIGHT END FUSE OF DASH) RIGHT COWL SIDE J/B RIGHT FRONT SEAT HEATER ASSEMBLY RIGHT SEAT BACK CLIMATE CONTROL BLOWER (FRONT PASSENGER'S SEAT BACK) RIGHT SEAT CLIMATE CONTROL BLOWER RIGHT SEAT HEATER CONTROL ROUT SEAT BACK) SEAT CUSHION) SG-4 SHP+ SWL THL TSL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

3 4 CANH CANL A/C AMPLIFIER (CENTER OF DASH) BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DEICER FUSE DEICER RELAY ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FDEF FRONT WINDOW DEICER SWITCH FRONT WIPER DEICER (WINDSHIELD GLASS) (BOTTOM OF WINDSHIELD) GRN WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B LH-IG FUSE (LEFT END OF DASH) MULTI-MEDIA MODULE RECEIVER ASSEMBLY RED WIRE RELAY ENERGIZED WHT WIRE

1 4 3 SHDE GND 1 4 3 SHPE GND 1 6 7 +B 10 3 14 PNK PNK WIRE 17 31 18 TFAL SG TFAR 21 30 31 PNK RLIN SHPE SHDE WIRE 3 4 CANH CANL 5 9 PNK RLIN WIRE A/C AMPLIFIER (CENTER OF DASH) BLU WIRE COMPUTER DATA LINES SYSTEM ENGINE ROOM R/B 1 FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT REAR SEAT BACK HEATER ASSEMBLY LEFT REAR SEAT HEATER ASSEMBLY LEFT SEAT HEATER CONTROL LT GRN WIRE LUGGAGE ROOM J/B 1 MPX-B (LEFT SIDE FUSE OF ENGINE COMPT) PNK WIRE REAR CONTROL SWITCH RED WIRE RH ACC RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT REAR SEAT BACK HEATER ASSEMBLY RIGHT REAR SEAT HEATER ASSEMBLY RIGHT SEAT HEATER CONTROL RR ECU-IG FUSE RR S/HTR FUSE SEAT HEATER SWITCH TFAL TFAR VIO WIRE W/ NIGHT VIEW SYSTEM W/O NIGHT VIEW SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PNK BATT WIRE 1 2 CANH CANL 14 6 CANL CANH 2 3 CANL CANH 29 28 CANL CANH 3 4 CANH CANL A/C AMPLIFIER (CENTER OF DASH) AIR BAG SENSOR ASSEMBLY (UNDER REAR OF CENTER FLOOR CONSOLE) BLK WIRE BLU WIRE CANL CANH CERTIFICATION ECU (RIGHT END OF DASH) COMBINATION METER ASSEMBLY DATA LINK CONNECTOR 3 (UNDER LEFT SIDE OF DASH) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE MPX-B FUSE NETWORK GATEWAY ECU (RIGHT CENTER OF DASH) PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) RED WIRE RELAY 1 RELAY ENERGIZED RELAY ENERGIZED RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) STEERING SENSOR (ON STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER FLOOR CONSOLE) YEL WIRE

3 4 CANH CANL A/C AMPLIFIER (CENTER OF DASH) BLK WIRE COMPUTER DATA LINES SYSTEM DEF ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE INTEGRATION RELAY COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GNDB HOT AT ALL TIMES LEFT COWL SIDE J/B LH-IG FUSE (LEFT END OF DASH) LT GRN WIRE MULTI-MEDIA MODULE RECEIVER ASSEMBLY NOISE FILTER (REAR WINDOW DEFOGGER) (LEFT ``C" PILLAR) P/I-B 1 FUSE RDEF REAR WINDOW DEFOGGER (BACK WINDOW GLASS) REAR WINDOW DEFOGGER SWITCH RED WIRE RELAY ENERGIZED WHT WIRE

+BM A/C AMPLIFIER (CENTER OF DASH) A/F FUSE A/F RELAY BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMPUTER DATA LINES SYSTEM E.F.I VACUUM SENSOR (LEFT REAR OF ENGINE) ECM (ENGINE CONTROL MODULE) (LEFT SIDE OF ENGINE COMPT) ECOS EDU FUSE EFI 2 FUSE EFI MAIN 2 RELAY EFI MAIN FUSE EFI- MAIN 1 RELAY ENGINE ROOM J/B 1 (LEFT EPIM EPR F/PMP FUSE FPD + FPF FUEL PRESSURE SENSOR (REAR OF ENGINE) GRN WIRE GRN/BLK WIRE GRY WIRE INJ RELAY LT GRN WIRE NE+ PIM PNK PNK WIRE PNK WIRE RED WIRE SIDE OF ENGINE COMPT) THA VCPM VCPR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE