Lexus GS III (2004-2007) blu Wiring diagrams

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

1 2 3 4 5 6 SOL+ SOL- BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE COMBINATION METER DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE HOT IN ON OR START IG SPD GND II (AT RIGHT SIDE OF DASH) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 6 (BEHIND LEFT KICK PANEL) J/C 7 (BEHIND LEFT KICK PANEL) ORG/ WIRE PPS ECU (BEHIND LEFT SIDE OF DASH) PPS SOLENOID (3.0L: AT LEFT FRONT OF ENGINE) (4.3L: AT RIGHT FRONT OF ENGINE) RED WIRE RED/BLU WIRE SPEEDOMETER VIO/WHT WIRE WHT WIRE WHT/BLK WIRE YEL 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

1 2 3 4 5 6 7 8 9 10 ECUE IG VC GND ECU-B 1 2 3 4 5 6 POWER TILT MOTOR BDR BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) BODY ECU 2 (IN DRIVER SIDE J/B) COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DRIVER DOOR ECU (IN DRIVER'S DOOR) DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ECU-IG FUSE ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) D FR FUSE FUSE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR RUN HOT IN ON OR START J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 13 (BEHIND LEFT SIDE OF DASH) J/C 15 (BEHIND LEFT SIDE OF DASH) J/C 6 (BEHIND LEFT KICK PANEL) J/C 7 (BEHIND LEFT KICK PANEL) MSW P-P/SEAT FUSE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) POWER TELESCOPIC MOTOR RADIO 2 FUSE RED/BLU WIRE SIG CPUB GND TELESCO LONG TELESCO SHORT TILT DOWN TILT UP TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) TILT, TELESCOPIC SWITCH TIM- TIM+ TEM- TEM+ WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

6 11 DFG GND A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) DEF RELAY DEFOG FUSE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START II (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 13 (BEHIND LEFT SIDE OF DASH) MPX NOISE FILTER NOISE FILTER (REAR WINDOW DEFOGGER) (AT LEFT FRONT CORNER OF LUGGAGE COMPT) PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) PASSENGER SIDE R/B (BEHIND RIGHT KICK PANEL) REAR WINDOW DEFOGGER RED WIRE RED/BLU WIRE WHT WIRE WHT/BLK WIRE

+B +BM STI- A/C SYSTEM A/T SHIFT MAIN SWITCH (INTEGRAL TO COMBINATION SWITCH) ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) ACCELERATOR PEDAL POSITION SENSOR (ON RIGHT REAR SIDE OF ENGINE) ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM (SECURITY INDICATOR) 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/YEL WIRE BRAIDED BRAIDED BRAIDED 18 19 20 21 22 23 BRN WIRE CODE COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CONTROL SYSTEM DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) EB (MIDDLE OF LEFT INNER FENDER PANEL) ECT PWR. ECT SNOW ENG ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE IMLD CODE J/C 9 (BEHIND LEFT SIDE OF DASH) KSW STA MREL FPC DI ACMG IGSW TAM LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MIL IND NEO NEO TBP PNK TRC+ ENG+ WIRE PNK WIRE PNK/BLK WIRE PRE SIL PTNK RED WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RXCK SFTD SFTU SIL TACHOMETER TC STP SFTD SFTU TRC+ TRC- ENG- CCS TXCT VAPOR PRESSURE SENSOR (UNDER LEFT REAR OF VEHICLE) VCC VIO WIRE VIO/YEL WIRE WFSE TXCT RXCK PTNK WHT WIRE WHT/BLK WIRE WHT/RED WIRE WSFE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED 19 20 BRAIDED BRAIDED 25 26 BRAIDED BRAIDED 28 29 BRN WIRE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ED (AT REAR OF INTAKE MANIFOLD) ENGINE CONTROL MODULE (ECM) (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES IGN FUSE IGNITION SWITCH KNOCK SENSOR 1 (ON LEFT FRONT OF ENGINE) KNOCK SENSOR 2 (ON LEFT SIDE OF ENGINE) LOCK MOL NCO O/D DIRECT CLUTCH SPEED SENSOR (ON TRANSMISSION) OIL P/N PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SLN- SLT- SLU+ STARTER FUSE STARTING SYSTEM (STARTER RELAY) VEHICLE SPEED SENSOR (ON TRANSMISSION) WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE

ATL BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRAIDED BRAIDED BRAIDED 20 21 BRAIDED BRAIDED 22 23 BRAIDED BRAIDED 24 25 BRAIDED BRAIDED 25 26 BRAIDED BRAIDED 28 29 BRN WIRE EC (AT FRONT OF INTAKE MANIFOLD) ED (AT REAR OF INTAKE MANIFOLD) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE J/C 2 (IN ECU BOX) J/C 9 (BEHIND LEFT SIDE OF DASH) J/C 3, J/C 4 (IN ECU BOX) LT GRN WIRE NSSD NSSL OIL ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SLN- SLN+ SLU+ SLT- SLU+ TEMP LEVEL VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE