Lexus GS III (2004-2007) red/blu Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SRLR ABS 1 FUSE ABS 2 FUSE ABS MOTOR RELAY ABS SOL RELAY ABS, TRAC, VSC ACTUATOR (AT LEFT REAR CORNER OF ENGINE COMPT) ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) AST SRLH SFRR PL BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BRN WIRE EA (AT MIDDLE OF RIGHT INNER FENDER PANEL) EE (UNDER ABS, TRAC, VSC ACTUATOR) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) FR- FR+ FL- FL+ FSS GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HOT AT ALL TIMES JUNCTION CONNECTOR 5 (IN ENGINE ROOM R/B 2) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) LT GRN/BLK WIRE LT GRN/RED WIRE MT- SR MTT MT+ NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SFLH PMC SFLR SRRH SRRR VCM PH SFRH STR+ TRAC MOTOR RELAY VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLVL BRAKE FLUID LEVEL WARNING SWITCH (IN BRAKE FLUID RESERVOIR) BRN WIRE DRIVER SIDE J/B DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IG (AT LEFT SIDE OF DASH) II (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 1 (IN ECU BOX) JUNCTION CONNECTOR 10 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 15 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 3, 4 (IN ECU BOX) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 7 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 9 (BEHIND LEFT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE MASTER CYLINDER PRESSURE SENSOR (AT LEFT REAR CORNER OF ENGINE COMPARTMENT) NCA WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PMC PNK (OR PNK/BLK) WIRE PNK WIRE PNK/BLK WIRE RED (OR GRN) WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE SHORT PIN SIL STEERING SENSOR (COMBINATION SWITCH) STOP FUSE STOP LIGHT SWITCH (ON BRAKE PEDAL BRACKET) VCM VSC OFF SWITCH VSC WARNING BUZZER (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 VGS ABS DECELERATION SENSOR (UNDER REAR OF CENTER CONSOLE) ABS IND. ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE IND BRN WIRE BRN/WHT WIRE COMBINATION METER D/G CSW GYAW YAW DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENG ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) FLO VSCW WA IND STP GAUGE FUSE GGND GGND RR+ RR- GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLU WIRE GSS RL+ RL- GYAW HEADLIGHTS SYSTEM HOT IN ON OR START IGN FUSE JUNCTION CONNECTOR 14 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) LEFT REAR ABS SPEED SENSOR (AT LEFT REAR WHEEL) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE NCA WIRE NEO ORG/ WIRE PNK TRC+ WIRE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT REAR ABS SPEED SENSOR (AT RIGHT REAR WHEEL) SLIP IND SPEEDOMETER TC TS BRL TRC+ VGS VIO WIRE VIO/RED WIRE VSC IND VSC OFF IND VYS WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YAW RATE SENSOR (UNDER REAR OF CENTER CONSOLE) YD BZ YEL WIRE YSS

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 B+ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TSPA TE TPO A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/C DUAL PRESSURE SWITCH A/C ROOM TEMPERATURE SENSOR (BEHIND CENTER A/C SOLAR SENSOR (AT UPPER RIGHT SIDE OF DASH) A/C THERMISTOR (BEHIND CENTER OF DASH) AIF AIR MIX CONTROL SERVO MOTOR (DRIVER) (BEHIND CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND RIGHT SIDE OF DASH) AOF AMHDR AMHPA TSDR TPDR TPPA BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE DGS BLW MPX+ TPI DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ETAM TAM ACMG PRE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE GS 430 GS 300 HOT AT ALL TIMES HOT IN ACC OR ON II (AT RIGHT SIDE OF DASH) ILL TR SG-1 MPX- TEL IN SG-4 SG-3 ILL AIR GND INSTRUMENT PANEL J/B (BEHIND UPPER CENTER OF DASH) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 18 (BEHIND RIGHT KICK PANEL) LCKI LT GRN WIRE LT GRN/RED WIRE MFRS OF DASH) OF ENGINE COMPT, IN ECU BOX) ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SG-5 AOD AMCDR AMCPA TELEPHONE TRANSCEIVER, SPEAKER RELAY (AT RIGHT SIDE OF LUGGAGE COMPARTMENT) TELI THW (GS 430) ETHW TPI MREC SG WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

1 2 M+ M- 3 4 1 GAS IG GND A/C AMBIENT TEMPERATURE SENSOR (NEAR TOP LEFT SIDE OF RADIATOR SUPPORT) A/C COMP RELAY A/C CONDENSER FAN MOTOR (ON FRONT LEFT SIDE OF RADIATOR) A/C MAGNETIC CLUTCH, LOCK SENSOR (ON A/C A/C SINGLE PRESSURE SWITCH AIR MIX CONTROL SERVO MOTOR (PASSENGER) (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND LOWER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROLLER (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU 1 BRN WIRE CDS FAN FUSE COMPRESSOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) IGN FUSE ED (AT REAR OF INTAKE MANIFOLD) ED (ON LEFT CYLINDER HEAD) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPARTMENT, BEHIND STRUT TOWER) ENGINE ROOM R/B 3 (ON LEFT SIDE OF ENGINE COMPARTMENT, FRONT OF STRUT TOWER) EXHAUST GAS SENSOR (AT LEFT FRONT OF ENGINE COMPARTMENT) FAN 2 RELAY FAN 3 RELAY GND SI B+ 2 3 GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GS 300 GS 430 HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR RELAY IG (AT LEFT SIDE OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR 17 (BEHIND JUNCTION CONNECTOR 2 (IN ECU BOX) JUNCTION CONNECTOR 26 (IN ECU BOX) LT GRN/RED WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE R/B (BEHIND RIGHT KICK PANEL) RADIATOR FAN MOTOR (AT LEFT FRONT OF ENGINE COMPT) RDI FAN FUSE RED WIRE RED/BLU WIRE SIDE OF GLOVE BOX) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

2 1 +B 6 7 TRLY DBKL A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ANTI-LOCK BRAKES SYSTEM BLK/BLU WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BODY ECU 2 (IN DRIVER SIDE J/B) BRN/BLK WIRE COMBINATION METER DOOR LOCKS SYSTEM DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM WARNING SYSTEM INSTRUMENT CLUSTER SYSTEM GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) GND CLTE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HOT IN ON OR START IG CLTB CLTS BLVL FFGO ILE STPI HEAD INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM JUNCTION CONNECTOR 15 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 9 (BEHIND LEFT SIDE OF DASH) LT GRN/BLK WIRE MIRRORS SYSTEM MPX RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE STEERING PAD SWITCH (COMBINATION SWITCH) TAIL AUTO LF KSW MIRE MIRS MIRB HRLY ALTL ACAN TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/RED WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE

1 2 GS 300 GS 430 A/C COMP RELAY A/C CONDENSER FAN MOTOR (ON FRONT LEFT SIDE OF RADIATOR) A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) A/C SINGLE PRESSURE SWITCH ACMG AIR CONDITIONING SYSTEM BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BRN WIRE CDS FAN FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) EB (AT MIDDLE OF LEFT INNER FENDER PANEL) EE (UNDER ABS, TRAC, VSC ACTUATOR) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE MAIN RELAY ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) ENGINE ROOM R/B 3 (ON LEFT SIDE OF ENGINE COMPT, FRONT OF STRUT TOWER) ETHW (GS 430) (GS 300) FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FAN MAIN FUSE GRN/YEL WIRE GS 300 (IN ENGINE HARNESS, AT LEFT REAR TOP OF ENGINE) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR RELAY IG (AT LEFT SIDE OF DASH) IGN FUSE IN ECU BOX) JUNCTION CONNECTOR 13 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 14 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 5 (IN ENGINE ROOM R/B 2) MPX ORG/ WIRE PASSENGER SIDE R/B (BEHIND RIGHT KICK PANEL) RADIATOR FAN MOTOR (AT LEFT FRONT OF ENGINE COMPT) RDI FAN FUSE RED WIRE RED/BLU WIRE WATER TEMPERATURE SWITCH (AT FRONT OF ENGINE COMPT, BEHIND LEFT SIDE OF GRILLE) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE

+B +BM MREL STI- IGSW 1 2 4 5 6 7 13 14 17 EOM EC BATT 3 4 13 20 26 27 31 32 33 34 35 TC STP A/T INDICATOR LIGHT SWITCH (PARK/ NEUTRAL POSITION SWITCH) (ON TRANSMISSION) ACCELERATOR PEDAL POSITION SENSOR (BEHIND LEFT SIDE OF DASH) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRN WIRE BRN/BLK WIRE COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM CRUISE CRUISE CONTROL SWITCH CRUISE IND DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ED (ON LEFT CYLINDER HEAD) EE (UNDER ABS, TRAC, VSC ACTUATOR) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) EFI RELAY EPTK VPTK CCS ETA VC ETCS FUSE EFI FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE II (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 11 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 14 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 26 (IN ECU BOX) JUNCTION CONNECTOR 27 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 3 (IN ECU BOX) JUNCTION CONNECTOR 4 (IN ECU BOX) JUNCTION CONNECTOR 5 (IN ENGINE ROOM R/B 2) JUNCTION CONNECTOR 7 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 9 (BEHIND LEFT SIDE OF DASH) M- M+ ORG/ WIRE PNK/BLK WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE RES+ SET/ COAST SHIELD STOP FUSE STOPLIGHT SWITCH (ON BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (ON THROTTLE BODY) VIO WIRE VIO/YEL WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

6 11 DFG GND A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ALT FUSE BLK WIRE BLK/ WHT WIRE BLU WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START II (AT RIGHT SIDE OF DASH) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 6 (BEHIND LEFT KICK PANEL) LEFT REMOTE CONTROL MIRROR HEATER MIR HTR FUSE MIR RELAY MPX RED/ WHT WIRE RED/BLU WIRE RIGHT REMOTE CONTROL MIRROR HEATER WHT RED/ WIRE WHT WIRE WHT/BLK WIRE

5 12 11 4 GTX+ GTX- 5 16 MPX+ MPX- A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) BODY ECU 2 (IN DRIVER SIDE J/B) BRN WIRE CENTER AIR BAG COMBINATION METER DRIVER DOOR ECU (IN DRIVER'S DOOR) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GATEWAY-ECU (BEHIND LEFT SIDE OF DASH) LEFT REAR DOOR ECU (IN LEFT REAR DOOR MOON ROOF CONTROL ECU (IN FRONT OF MOON ROOF OPENING) MULTI-DISPLAY ORG/ WIRE POWER SEAT ECU (UNDER DRIVER'S SEAT) RADIO, PLAYER RED/BLU WIRE RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) SENSOR ASSEMBLY (BEHIND CENTER OF DASH, FORWARD OF CENTER CONSOLE) STEERING PAD SWITCH (COMBINATION SWITCH) TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) W/ MEMORY W/ NAVIGATION W/O MEMORY W/O NAVIGATION WHT WIRE YEL WIRE