Lexus GS IV (2011-2015) hybrid vehicle transmission assembly Wiring diagrams

1 2 3 4 5 6 7 8 GRF GSN GCS GMT GRFG GSNG GCSG GMTG 33 32 4 6 7 24 25 26 27 35 34 THO ETHO 4 1 MREL 8 7 6 5 4 3 2 1 MMTG MCSG MSNG MRFG MMT MCS MSN MRF BLK WIRE BLU WIRE BRN WIRE ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) GMTG GMT MMT MMTG GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HYBRID VEHICLE GENERATOR HYBRID VEHICLE MOTOR HYBRID VEHICLE TRANSMISSION ASSEMBLY IGCT 1 FUSE IGCT 4 FUSE IGCT 5 FUSE IGCT RELAY LT GRN WIRE ORG/ WIRE PNK WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE RH ECU-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RV FD MJ PNK WIRE SFTU SFTD SHIELD 1 2 3 SHIELD 18 19 SHIELD 28 29 SHIELD 3 2 1 VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

+BWP AIR CONDITIONING SYSTEM BLK WIRE BLU WIRE BRN WIRE CLK+ CLK- CLK+ HSDN REQ- REQ+ HTM- HTM+ ENGINE COMPT) GCS GCSG GI MTH- MTH+ ILK NODD GMT GMTG GRF GRFG GRN WIRE GRY WIRE GSN GSNG HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 OIL PMP FUSE (LEFT SIDE OF ENGINE COMPT) HSDN HTM- HYBRID VEHICLE GENERATOR HYBRID VEHICLE TRANSMISSION ASSEMBLY IGCT 1 FUSE IGCT 2 FUSE IGCT 3 FUSE IGCT 4 FUSE IGCT 5 FUSE IGCT RELAY ILK ILKO INTERLOCK SWITCH (SERVICE PLUG GRIP) (RIGHT FRONT OF HV SUPPLY BATTERY ASSEMBLY) INV W/P FUSE INV W/P RELAY INVERTER W/ CONVERTER ASSEMBLY (RIGHT REAR CORNER OF ENGINE COMPT) LT BLU WIRE LT GRN WIRE MREL FCTL MTH+ NIWP IWP VLO NWP OIL PUMP RELAY ORG/ WIRE POWER MANAGEMENT CONTROL ECU (RIGHT END OF DASH) RED WIRE SHIELD SHIELD 7 6 4 2 5 3 1 SWP TPST VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

ACPB ACPE AIR CONDITIONING SYSTEM AMD BAT FAN RELAY (HV) BATT FAN (HV) FUSE BLK WIRE BLU WIRE BRN WIRE CBI CEI DC/DC-S (HV) FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) DC/DC FUSE HYBRID VEHICLE MOTOR HYBRID VEHICLE TRANSMISSION ASSEMBLY IDH IGCT ILKI INVERTER BUS BAR PLATE SUB ASSEMBLY (RIGHT REAR OF ENGINE COMPT) INVERTER W/ CONVERTER ASSEMBLY LEFT "C" PILLAR) LEFT BATTERY COOLING BLOWER ASSEMBLY LT BLU WIRE LT GRN WIRE LUGGAGE ROOM J/B 1 (LEFT SIDE OF LUGGAGE COMPT) MCS MCSG MMT MMTG MRF MRFG MSN MSNG NODD OHG OHU OHV OHW OIGH OIL PUMP MOTOR CONTROLLER (ON OIL PUMP MOTOR) OIL PUMP W/ MOTOR ASSEMBLY (RIGHT SIDE OF ENGINE) OMT OMTG OPST ORG/ WIRE ORG/BLK WIRE ORG/WHT WIRE PNK WIRE RED WIRE REQ+ RIGHT BATTERY COOLING BLOWER ASSEMBLY (RIGHT SIDE OF HV BATTERY ASSEMBLY) RIGHT END OF DASH) SHIELD SIG VIO WIRE VLO WHT WIRE WHT/BLK WIRE YEL WIRE