Lexus GS III facelift (2007-2011) gateway ecu (behind right side of dash) Wiring diagrams

+BO ABS IND. BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE IND BRN WIRE BRN/YEL WIRE CAN (+) COMBINATION METER COMPUTER DATA LINES SYSTEM ECB OR VSC IND GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRD GRN WIRE GRN/BLK WIRE GRY WIRE GRY/RED WIRE IND MASTER LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MPX ORG/ WIRE PNK WIRE PNK/BLU WIRE PNK/GRN WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SLIP IND SPEEDOMETER TELLTALE LAMP ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

ANTI-LOCK BRAKES SYSTEM BLK/RED WIRE BLU WIRE BODY ECU BUCKLE SWITCH COMBINATION METER COMPUTER DATA LINES SYSTEM DRIVER'S SIDE FRONT SEAT INNER BELT (UNDER LEFT SIDE OF DRIVER'S SEAT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE HEAD LP RELAY HEADLIGHTS SYSTEM HOT AT ALL TIMES LCTY LEFT REAR DOOR COURTESY SWITCH LT BLU WIRE LT GRN WIRE MAIN FUSE MPX PCTY PNK WIRE RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT DOOR COURTESY SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE

1 2 SOL- SOL+ 3 1 2 +B GND 3.5L 4.6L 4.6L 3.5L 4.6L 3.5L SUB FAN MOTOR A/C COMP FUSE A/C COMP RELAY (3.5L) A/C COMPRESSOR (3.5L) (LEFT FRONT OF ENGINE) A/C COMPRESSOR (LEFT FRONT ACMG BLK WIRE BLOWER MOTOR (UNDER LOWER RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM COOLING FAN ECU ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ETAM FAN MAIN RELAY FLOW CONTROL VALVE FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/YEL WIRE GRY WIRE HEATER FUSE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) HOT AT ALL TIMES ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) LCKI LOCK SENSOR LT GRN WIRE MAGNETIC CLUTCH MAIN FAN MOTOR OF ENGINE) RED WIRE RFC TAM VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE

3.5L 30 31 13 26 38 MPX+ MPX- PRE 4.6L 4.6L 3.5L SUB FAN MOTOR A/C AMPLIFIER (BEHIND CENTER RIGHT OF DASH) A/C PRESSURE SENSOR (LEFT FRONT OF ENGINE COMPT) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM COOLING FAN ECU CRANKSHAFT POSITION SENSOR (4.6L) (LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FAN MAIN RELAY FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT BLU WIRE LT GRN WIRE MAIN FAN MOTOR NCA WIRE NE+ PNK NE- WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED (OR RED/BLU) WIRE RED WIRE RELAY RFC SG-2 VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

3.5L 3.5L 4.6L 3.5L 4.6L 4.6L 3.5L ABSORBER CONTROL ECU BLK WIRE BLK) (OR YEL/ WIRE BLU WIRE BODY ECU BRN (OR WHT/BLK) WIRE BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY CG SG CANH SIL D/G DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) DIA ECU (RIGHT REAR OF LUGGAGE COMPT) ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) FREE FRONT STABILIZER CONTROL ECU (RIGHT FRONT CORNER OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/BLK WIRE GRY WIRE HIGH/LOW BUS CIRCUIT HOT AT ALL TIMES LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAYDAY ECU (CENTER REAR OF LUGGAGE COMPT) MULTI-DISPLAY OBD FUSE OCCUPANT CLASSIFICATION ECU ORG/ WIRE PNK PNK WIRE PNK WIRE POWER STEERING ECU RED WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SIL SKID CONTROL ECU (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU W/ ACTUATOR (3.5L) (LEFT REAR OF ENGINE COMPT) STEERING CONTROL ECU (UNDER GLOVE COMPT) TAC TACH TS TC CANL WFSE BAT VIO WIRE WFSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TRQV RZV RZCS RZSN 1 2 3 4 5 6 7 8 9 10 11 CAN+ CANH CANL PIG PGND 16 10 (4.6L) (3.5L) 17 2 (4.6L) (3.5L) 24 25 CANL CANH 5 25 MPX- MPX+ 9 10 CANL CANH BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN- IG SIL RLY COMBINATION METER COMPUTER DATA LINES SYSTEM DATA LINK CONNECTOR 3 (BEHIND LEFT SIDE OF DASH) ECU-B FUSE ECU-IG LH FUSE ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) EPS FUSE EPS RELAY GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INCS INSN INSN INCS OUSN OUCS LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE NCA WIRE OUCS OUSN POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) POWER STEERING MOTOR (FRONT OF ENGINE COMPT) POWER STEERING TORQUE SENSOR (LEFT FRONT OF ENGINE COMPT) PS (+) RED WIRE RED/BLK WIRE RED/BLU WIRE RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RZCS RZG RZSN RZV SIL SKID CONTROL ECU (3.5L) (LEFT REAR OF ENGINE COMPT) SKID CONTROL ECU (4.6L) (LEFT REAR OF ENGINE COMPT) SRZG STEERING SENSOR (BEHIND LEFT OF DASH, NEAR STEERING COLUMN) VIO WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

1 2 TX- TX+ 10 9 TX- TX+ 6 4 3 8 9 1 BDR CPUB SIG 8 9 PNK WIRE 9 10 TXM+ TXM- BLK/RED WIRE BLU WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM PNK WIRE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FR DOOR LH FUSE FR DOOR RH FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/RED WIRE GRY WIRE GTX+ GTX- HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR ECU (IN DRIVER'S DOOR) LEFT OUTER REAR VIEW MIRROR (FRONT OF LEFT FRONT DOOR) LEFT REAR DOOR ECU (IN LEFT REAR DOOR LH-IG FUSE LT BLU WIRE LT GRN WIRE MIRROR HEATER MPX-B FUSE MULTI-DISPLAY PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RADIO RECEIVER ASSEMBLY REAR WINDOW DEFOGGER SWITCH RELAY RH-IG FUSE RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) RIGHT FRONT DOOR ECU (IN RIGHT FRONT DOOR) RIGHT OUTER REAR VIEW MIRROR (FRONT OF RIGHT FRONT DOOR) RIGHT REAR DOOR ECU (IN RIGHT REAR DOOR) WHT WIRE WHT/BLK WIRE YEL 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 IG BLK WIRE BLU WIRE BODY ECU BRN WIRE CMP COMBINATION METER ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRY WIRE GRY/BLU WIRE GTX+ SIL GTX- HOT AT ALL TIMES HOT IN ON OR ACC LEFT CENTER J/B (BEHIND RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE MAYDAY ECU (CENTER REAR OF LUGGAGE COMPT) MPX MULTI-DISPLAY NCA WIRE ORG/ WIRE OVERHEAD J/B (IN OVERHEAD CONSOLE) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RAIN SENSOR (FRONT CENTER OF ROOF) RED WIRE RELAY RH ECU-IG FUSE RIGHT RIGHT CENTER J/B (BEHIND RIGHT SIDE OF DASH) RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) SLD SLIDING ROOF CONTROL ECU (FRONT OF OVERHEAD CONSOLE) TILT, TELESCOPIC ECU (TOP RIGHT SIDE OF STEERING COLUMN) TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 +BL +BR BLK WIRE BLU WIRE BRN WIRE ECUB RR+B ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START INTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM COMPUTER DATA LINES SYSTEM L STOP LP FUSE LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LT BLU WIRE LUGGAGE ROOM J/B (LEFT SIDE OF LUGGAGE COMPT) LUGGAGE ROOM J/B ECU MPX-B FUSE PGND REV RSS PNK WIRE POWER WINDOWS SYSTEM R STOP LP FUSE RED WIRE RR TAIL FUSE RR-B FUSE TLIN TKUL IG TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 TX- TX+ 10 9 TX- TX+ 24 25 CANL CANH 9 10 TXM+ TXM- BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BRN WIRE CAIL CAIH GTX+ GTX- COMPUTER DATA LINES SYSTEM DEFOG FUSE DEFOG RELAY ENGINE CONTROL MODULE (AT LEFT SIDE OF ENGINE COMPT) ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (BEHIND RIGHT SIDE OF DASH) GRN/BLK WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (BEHIND LEFT SIDE OF DASH) LH-IG FUSE LT BLU WIRE LT GRN WIRE MULTI-DISPLAY NOISE FILTER POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RADIO RECEIVER ASSEMBLY RDEF REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER SWITCH RELAY RIGHT COWL SIDE J/B (BEHIND RIGHT SIDE OF DASH) WHT WIRE WHT/BLK WIRE YEL WIRE