Lexus GS III (2004-2007) engine control module (at left side of engine compt, in ecu box) Wiring diagrams

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 +B CODE RXCK TXCT GND 23 24 TXCT RXCK 30 13 4 11 31 IMLD MREL BATT KSW CODE 4 2 8 7 6 16 18 1 14 24 22 15 CPUB BDR SIG 4 8 2 7 6 18 16 24 22 14 1 15 CPUB SIG BDR BJ (AT LEFT REAR FLOOR PARTITION PANEL) BL (AT RIGHT REAR FLOOR PARTITION PANEL) BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN/BLK WIRE CTY CTYE LSWE LSW A- A+ GND CTYE CTY A+ A- LSWE LSW GND DIODE (LUGGAGE COMPARTMENT DOOR OPEN DETECTION) (AT LEFT SIDE OF LUGGAGE COMPT) EB (AT MIDDLE OF LEFT INNER FENDER PANEL) EE (UNDER ABS, TRAC, VSC ACTUATOR) EFI RELAY ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE HOOD COURTESY SWITCH (AT FRONT CENTER OF ENGINE COMPT) ENGINE ROOM R/B 1 (ON RIGHT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) EFI FUSE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES J/C 20 (ABOVE LEFT REAR WHEELWELL) JUNCTION CONNECTOR 10 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 11 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 5 (IN ENGINE ROOM R/B 2) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 9 (BEHIND LEFT SIDE OF DASH) KEY COIL LEFT REAR DOOR COURTESY SWITCH (ON LEFT ``C" PILLAR) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LEFT REAR DOOR LOCK MOTOR, DOOR LOCK DETECTION SWITCH (REAR OF LEFT REAR DOOR) LOCK DETECT LT GRN/BLK WIRE ORG/ WIRE PASSENGER SIDE J/B (BEHIND RIGHT KICK PANEL) ECU- POWER SEAT ECU (UNDER DRIVER'S SEAT) RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR COURTESY SWITCH (ON RIGHT ``C" PILLAR) RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) RIGHT REAR DOOR LOCK MOTOR, DOOR LOCK DETECTION SWITCH (REAR OF RIGHT REAR DOOR) TRANSPONDER KEY AMPLIFIER (IN STEERING COLUMN) UNLOCK WARNING SWITCH (BEHIND LEFT SIDE OF DASH) VIO WIRE VIO/GRN WIRE W/ MEMORY SEATS W/O MEMORY SEATS WHT/BLK 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

A/C CONTROL ASSEMBLY (BEHIND CENTER OF DASH) ALT FUSE ALT-S FUSE BATTERY BATTERY GROUND BLK WIRE BLU WIRE COMBINATION METER CHARGE WARNING LIGHT 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) FUSE GAUGE FUSE GENERATOR GS 430 GS 300 IGNITION SWITCH II (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 1 (IN ECU BOX) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) LOCK OFF MPX NCA WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE RUN WIRE TILT, TELESCOPIC ECU (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLU WIRE YEL WIRE

+IG 5 25 WA D/G ABS SOL RELAY ABS, TRAC, VSC ECU (BEHIND LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BODY ECU 1 (IN PASSENGER SIDE J/B) BRN WIRE CG SG COMBINATION METER CYLINDER HEAD) ED DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) ED (GS 300: AT REAR OF INTAKE MANIFOLD) (GS 430: ON LEFT CYLINDER HEAD) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT, BEHIND STRUT TOWER) GRY WIRE HOT AT ALL TIMES IGNITER 1 TAC (LEFT SIDE OF ENGINE) II (AT RIGHT SIDE OF DASH) J/C 1 (IN ECU BOX) J/C 10 (BEHIND LEFT SIDE OF DASH) J/C 14 (BEHIND LEFT SIDE OF DASH) J/C 2 J/C 26 (IN ECU BOX) J/C 3, 4 (IN ECU BOX) J/C 9 LT GRN/BLK WIRE MULTI-DISPLAY NCA WIRE OBD FUSE SIDE J/B (BEHIND LEFT KICK PANEL) PNK WIRE PNK/BLK (OR PNK) WIRE PNK/BLK WIRE SHORT PIN SIL TACH TC +B TS TC WB DATA LINK CONNECTOR 1 (AT LEFT SIDE OF ENGINE COMPT, BEHIND ECU BOX) WFSE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WSFE BAT WSFE TS

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

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

A/T INDICATOR LIGHT SWITCH (PARK/NEUTRAL POSITION SWITCH) (ON TRANSMISSION) ATL BLK WIRE BLU WIRE BLU/RED WIRE DRIVER SIDE J/B (BEHIND LEFT KICK PANEL) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT, IN ECU BOX) GAUGE FUSE GRN/BLK WIRE GRY WIRE HOT IN ON OR START II (AT RIGHT SIDE OF DASH) JUNCTION CONNECTOR 13 (BEHIND LEFT SIDE OF DASH) JUNCTION CONNECTOR 17 (BEHIND UPPER RIGHT SIDE OF DASH) JUNCTION CONNECTOR 3, 4 (IN ECU BOX) JUNCTION CONNECTOR 6 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 9 (BEHIND LEFT SIDE OF DASH) KLS+ NSSD NSSL RADIO 2 FUSE RED WIRE RED/BLU WIRE RED/YEL WIRE SHIFT LOCK ECU (UNDER CENTER CONSOLE, NEAR SELECTOR LEVER) UNLOCK WARNING SWITCH, KEY INTERLOCK SOLENOID (BEHIND LEFT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE