Lexus GS III facelift (2007-2011) nca Wiring diagrams

BLK WIRE BRAKE CONTROL POWER DOOR SUPPLY CONTROL ASSEMBLY RECEIVER BRN WIRE ENGINE CONTROL MODULE SHIELD JUNCTION CONNECTOR NCA WIRE OCCUPANT CLASSIFICATION ECU OVERHEAD J/B SHIELD POWER CERTIFICATION OUTLET ECU SOCKET REAR REAR STABILIZER STABILIZER CONTROL CONTROL ECU ECU SHIELD SHIELD REAR WINDOW DEFOGGER RIGHT FRONT DOOR ECU RIGHT FRONT LUMBAR SUPPORT POWER SEAT SWITCH RIGHT FRONT SEAT BACK CLIMATE CONTROL BLOWER RIGHT FRONT SEAT CUSHION CLIMATE CONTROL BLOWER RIGHT FRONT SEAT HEATER RIGHT FRONT SEAT INNER BELT RIGHT FRONT SEAT POSITION CONTROL ECU, SWITCH RIGHT REAR ABSORBER CONTROL ACTUATOR RIGHT REAR DOOR ECU RIGHT REAR SEAT INNER MAYDAY BELT ECU SEAT BELT CONTROL ECU SHIELD SHIELD STEERING CONTROL ECU SHIELD STEERING JUNCTION CONTROL CONNECTOR ECU SHIELD SHIELD W/ OCCUPANT CLASSIFICATION SYSTEM W/O OCCUPANT CLASSIFICATION SYSTEM WHT WIRE WHT/BLK WIRE

BLK WIRE BLOWER MOTOR BLU WIRE BRN WIRE CONVERTER (ACTIVE STABILIZER) COOLING FAN ECU DEFOG RELAY ENGINE HOOD COURTESY SWITCH EXCEPT MARK LEVINSON MARK LEVINSON FAN MAIN RELAY FRONT STABILIZER CONTROL ECU FRONT STABILIZER CONTROL ECU SHIELD FUEL INJECTOR 1 SHIELD FUEL INJECTOR 2 SHIELD FUEL INJECTOR 3 SHIELD FUEL INJECTOR 4 SHIELD FUEL INJECTOR 5 SHIELD FUEL INJECTOR 6 SHIELD LEFT HEADLAMP ASSEMBLY LEFT RIGHT FRONT FRONT FOG LAMP FOG LAMP NCA WIRE NOISE FILTER OIL PMP RELAY POWER STEERING ECU POWER STEERING MOTOR SHIELD RADIO RECEIVER ASSEMBLY REAR STABILIZER CONTROL ECU REAR STABILIZER CONTROL ECU SHIELD RIGHT HEADLAMP ASSEMBLY SMOG VENTILATION SENSOR STEERING CONTROL ECU STEREO COMPONENT AMPLIFIER WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 VV+ 11 22 23 SPD 21 18 17 19 PNK HFOF MCO- MCO+ SG WIRE BLK WIRE BLU WIRE BRN WIRE CB+ CGND CMP COMPT) CV+ ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE GPS ANTENNA GRN WIRE GRN/RED WIRE GRY WIRE GVIF HOT AT ALL TIMES HOT IN ON OR START RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) GAUGE FUSE IVO- IVO+ SLD J/C LT GRN WIRE MACC MIN- MIN+ SGND CA+ CGND MAYDAY ECU (RIGHT FRONT OF LUGGAGE COMPT) MIC - MPX-B FUSE MULTI-DISPLAY MULTI-MEDIA MODULE NAVIGATION ASSEMBLY MULTI-MEDIA MODULE NAVIGATION ASSEMBLY NCA WIRE NTSC ORG/ WIRE OVERHEAD J/B (IN OVERHEAD CONSOLE) PNK WIRE RADIO RECEIVER ASSEMBLY RED WIRE SLD STEREO COMPONENT AMPLIFIER (RIGHT REAR CORNER OF LUGGAGE COMPT) TELEVISION CAMERA (RIGHT SIDE OF LUGGAGE COMPT) TSW TXM- V+ V- VIO WIRE VV- W/ MARK LEVINSON W/O MARK LEVINSON W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM WHT WIRE WHT/BLK WIRE WIRING HARNESS SPOOL (UNDER CENTER OF REAR PARCEL SHELF) YEL WIRE

BACK BLK WIRE BLU WIRE BODY ECU BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM FUSE GRN WIRE GRN/RED WIRE GRY WIRE HILL HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START RIGHT COWL RH ECU-IG FUSE SIDE J/B (BEHIND RIGHT END OF DASH) ILL- ILL+ REV SPD CMP- CMP+ SLD HREO INTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MULTI-DISPLAY MULTI-INFORMATION DISPLAY NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH) PKB HFOF PNK WIRE PNK WIRE RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) TV FUSE VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

-TW 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 -B 1 2 3 4 5 6 7 8 9 10 SL+ SR+ WFL+ WFR+ SL- SR- 22 10 11 3 2 MUTE SPI+ SPI- SPO- SPO+ BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CENTER SPEAKER COMPT) CTR + DVD ENGINE ROOM R/B 1 RAD 1 FUSE (LEFT SIDE OF ENGINE COMPT) FUSE GAUGE FUSE GND RL- RR- FL- FR- GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC RIGHT COWL SIDE J/B (BEHIND RIGHT END HOT IN ON OR START J/C LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER LEFT REAR DOOR SPEAKER LEFT REAR SPEAKER LEFT REAR TWEETER LT BLU WIRE LT GRN WIRE MAYDAY ECU (W/ MAYDAY SYSTEM) (RIGHT FRONT OF LUGGAGE COMPT) MPX-B FUSE NCA WIRE OF DASH) ORG/ WIRE PNK PNK WIRE PNK WIRE RAD 2 FUSE RED WIRE RIGHT FRONT DOOR SPEAKER RIGHT FRONT TWEETER RIGHT REAR DOOR SPEAKER RIGHT REAR SPEAKER RIGHT REAR TWEETER RL (-) RR (-) FL (-) FR (-) SPEAKER (WOOFER) STEREO COMPONENT AMPLIFIER (RIGHT REAR CORNER OF LUGGAGE COMPT) TMUT TWL- TWR+ VIO WIRE W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM WFL- WFR- WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- 1 2 3 NTSC GND SLD AL+ ANTENNA ANTENNA AMPLIFIER (UNDER CENTER OF DASH) AR+ ATX- BLK WIRE BLU WIRE BRN WIRE CMP CMP+ CMP- SWG COMBINATION METER COMPUTER DATA LINES SYSTEM DISP DVD EAU GATEWAY ECU (BEHIND RIGHT END OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE GTX- HOT AT ALL TIMES ILL- ANT IVO+ LEFT COWL SIDE J/B (BEHIND LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MODE MULTI-DISPLAY MULTI-INFORMATION DISPLAY MUTE R+ L+ NCA WIRE OPTION CONNECTOR (AUDIO SYSTEM) (RIGHT REAR CORNER OF LUGGAGE COMPT) ORG/ WIRE PNK WIRE R- L- GND RAD 3 FUSE RADIO RECEIVER ASSEMBLY RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SEEK SLD SPIRAL CABLE (IN STEERING COLUMN) TX- TX+ TXM- TXM+ VIO WIRE VIO/YEL WIRE VOL (-) VV- WHT WIRE WHT/BLK WIRE YEL WIRE

-TW 1 2 3 4 5 6 +B GND 1 2 3 4 5 6 7 8 9 10 PNK FL+ RL+ RR+ WIRE 1 2 3 4 5 6 7 8 9 10 PNK WIRE 22 11 10 2 3 MUTE SPI- SPI+ SPO+ SPO- BLK WIRE BLU WIRE BLU/RED WIRE BRN WIRE CENTER SPEAKER SPEAKER (WOOFER) CTR + ENGINE ROOM R/B 1 RAD 1 FUSE (LEFT SIDE OF ENGINE COMPT) FL- FR- FR+ RL- RR- FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR ACC RIGHT COWL SIDE J/B (BEHIND RIGHT END HOT IN ON OR START J/C LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT END LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER LEFT REAR DOOR SPEAKER LEFT REAR TWEETER LT BLU WIRE LT GRN WIRE MAYDAY ECU (W/ MAYDAY SYSTEM) (RIGHT FRONT OF LUGGAGE COMPT) MPX-B FUSE NCA WIRE OF DASH) ORG/ WIRE PNK PNK WIRE PNK WIRE RAD 2 FUSE RAD 3 FUSE RED WIRE RIGHT FRONT DOOR SPEAKER (W/ LEXUS LINK SYSTEM) RIGHT FRONT TWEETER RIGHT REAR DOOR SPEAKER RIGHT REAR TWEETER STEREO COMPONENT AMPLIFIER (RIGHT REAR CORNER OF LUGGAGE COMPT) TMUT TWL- TWR+ VIO WIRE W/ MAYDAY SYSTEM W/O MAYDAY SYSTEM WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- 1 2 3 NTSC GND SLD AL+ ANTENNA ANTENNA AMPLIFIER (UNDER CENTER OF DASH) AR+ ATX- BLK WIRE BLU WIRE BRN WIRE CMP CMP+ CMP- SWG COMBINATION METER COMPUTER DATA LINES SYSTEM DISP EAU GATEWAY ECU (BEHIND RIGHT END OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE GTX- ILL- ANT IVO+ LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MODE MULTI-DISPLAY MULTI-INFORMATION DISPLAY MUTE R+ L+ NCA WIRE OPTION CONNECTOR (AUDIO SYSTEM) (RIGHT REAR CORNER OF LUGGAGE COMPT) ORG/ WIRE PNK WIRE R- L- GND RADIO RECEIVER ASSEMBLY RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SEEK SLD SPIRAL CABLE (IN STEERING COLUMN) TX- TX+ TXM- TXM+ VIO WIRE VIO/YEL WIRE VOL (-) VV- WHT WIRE WHT/BLK WIRE YEL WIRE

45 43 CAN+ CANH 85 108 54 82 105 84 107 REQ- REQ+ SPDI HTM- HTM+ CLK- CLK+ ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE COMPT) COMPUTER DATA LINES SYSTEM EFIO ENGINE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 1 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE GAUGE FUSE GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) IGN FUSE HYBRID VEHICLE CONTROL ECU (LEFT SIDE OF ENGINE COMPT) IGCT 1 FUSE IGCT 2 FUSE IGCT MAIN RELAY IMI LEFT CENTER J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE NCA WIRE ORG/ WIRE PMET RED WIRE RED/BLK WIRE RED/BLU WIRE RH-IG FUSE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) SFTD SFTU SFTU SFTD VPA STOP LAMP SWITCH (ON BRAKE PEDAL BRACKET) STOP SW FUSE STP IGSW BATT HSDN MREL MTH- MTH+ ILKI TRANSMISSION CONTROL SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

1 2 PE PB 6 7 1 3 2 5 8 4 MSNG MCSG MRF MCS MSN MRFG MMTG MMT 9 22 CANH CANL COMPUTER DATA LINES SYSTEM ACPB ACPE BLK WIRE BLU WIRE BRN WIRE CBI CEI CLK+ COMBINATION METER COMPRESSOR MOTOR (LEFT FRONT OF ENGINE) COMPUTER DATA LINES SYSTEM DRNB DRNC DRND DRNE EFI FRONT MOTOR GENERATOR 2 (REAR OF ENGINE COMPT) GCS GCSG GMT GMTG GRF GRFG GRN WIRE GRN/RED WIRE GRY WIRE GSN GSNG HSDN HTM- HYBRID PWR IND HYBRID SNOW IND ILK IND IND READY INVERTER LT BLU WIRE LT GRN WIRE MALFUNCTION IND MASTER MCS MCSG MODD MPX MRF MRFG MSN MSNG MTH+ MULTI INFORMATION LCD DISPLAY NCA WIRE ORG/ WIRE PMTI PNK WIRE RED WIRE REQ+ RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT END OF DASH) SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SPEEDOMETER POWER METER SYSTEM MAIN RELAY (FRONT OF LUGGAGE COMPT) VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE