Lexus IS II (2005-2008) gateway ecu (at right end of dash) Wiring diagrams

2.5L 3 1 2 3 1 2 +B GRD 3.5L 3.5L 3.5L 3.5L, 2.5L ACMG BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND LOWER RIGHT END OF DASH) BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/RED WIRE CAN L COMBUSTION HEATER GLOW PLUG (AT REAR OF ENGINE) COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR (ON LEFT FRONT OF ENGINE) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 1 R/B (RIGHT REAR OF ENGINE COMPT) ETAM FAN FUSE GATEWAY ECU (AT RIGHT END OF DASH) GLOW RELAY 1 GLOW RELAY 2 GLW GLW FUSE FUSE FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES NCA WIRE PNK WIRE RDI FAN FUSE RED WIRE TAM VIO/RED WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

+IG 22 32 PNK ALT RL WIRE 25 24 CANH CANL ALT FUSE ALT-S FUSE BATTERY BATTERY GROUND BLK WIRE BLU WIRE BRN WIRE CHARGE INDICATOR COMBINATION METER COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM 1 R/B (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM 2 R/B (LEFT SIDE OF ENGINE COMPT) GATEWAY ECU (AT RIGHT END OF DASH) GAUGE FUSE GENERATOR IG GRN/RED WIRE HOT AT ALL TIMES IG FUSE INPUT CIRCUIT JUNCTION CONNECTOR LEFT COWL SIDE J/B (AT LEFT END OF DASH) LT GRN WIRE MICRO COMPUTER MPX MPX-B FUSE NCA WIRE ORG/ WIRE PNK WIRE POWER SUPPLY RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) TEL FUSE W/ DAYTIME RUNNING LIGHTS W/O DAYTIME RUNNING LIGHTS WHT WIRE WHT/BLK WIRE YEL WIRE

2.5L 3.5L 30 30 18 27 27 32 13 26 38 MPX+ MPX- SG-3 A/C AMPLIFIER (BEHIND CENTER OF DASH) A/C PRESSURE SENSOR (LOW) (M/T) A/C PRESSURE SENSOR BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CAN L COMPUTER DATA LINES SYSTEM COOLING FAN MOTOR 1 (LEFT FRONT OF ENGINE COMPT) COOLING FAN MOTOR 2 (RIGHT FRONT OF ENGINE COMPT) CRANKSHAFT POSITION SENSOR (ON LEFT FRONT OF ENGINE) CUT) ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) ENGINE COOLANT TEMPERATURE SENSOR (AT REAR OF ENGINE) ENGINE ROOM 1 R/B, J/B (RIGHT REAR OF ENGINE COMPT) FAN FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FUSE FUSE GATEWAY ECU (AT RIGHT END OF DASH) GRN WIRE GRY WIRE HOT AT ALL TIMES IG FUSE LEFT LEFT COWL SIDE J/B (AT LEFT END OF DASH) NCA WIRE ORG/ WIRE PNK PSW PRE WIRE PNK SG-2 WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 RZG SRZG RZV TRQV 1 2 3 4 5 6 7 8 9 10 IG ESS BAT 18 6 MPX- PMX+ 24 25 CANL CANH 31 32 CANL CANH BLK WIRE BLK/YEL WIRE BLU WIRE BLU/WHT WIRE BRN WIRE CANH CANL PIG PGND CANL CANH PNK WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COWL SIDE J/B LEFT (AT LEFT END OF DASH) CRANKSHAFT POSITION SENSOR (ON LEFT FRONT OF ENGINE) ECU-IG LH FUSE ECU-IG RH FUSE ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT, IN PROTECTIVE CASE) ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) EPS FUSE GATEWAY ECU (AT RIGHT END OF DASH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE HEADLAMP SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES HOT IN ON OR START INCS INSN LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MPX-B FUSE NCA WIRE OUCS OUSN POWER STEERING ECU (RIGHT REAR CORNER OF ENGINE COMPT) POWER STEERING MOTOR (LOWER FRONT OF ENGINE COMPT) POWER STEERING TORQUE SENSOR (LEFT FRONT OF ENGINE) PS (+) RED WIRE RED/BLK WIRE RED/BLU WIRE RZCS RZG RZSN RZSN RZCS INSN INCS OUSN OUCS RZV SKID CONTROL ECU (CENTER CONSOLE) (W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT) STEERING SENSOR (AT STEERING COLUMN) WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

+IG A/C AMPLIFIER (BEHIND CENTER OF DASH) AUTO BLK WIRE BLU WIRE BODY ECU BRN WIRE BRN/RED WIRE CLOCK ASSEMBLY INTEGRATION, PANEL ASSEMBLY COMBINATION METER COWL SIDE J/B LEFT (AT LEFT END OF DASH) COWL SIDE J/B RIGHT (AT RIGHT END OF DASH) ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FUSE GATEWAY ECU (AT RIGHT END OF DASH) GRN RED/ WIRE GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEAD AUTO HEADLAMP DIMMER SWITCH ASSEMBLY HEADLAMP SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START COWL SIDE J/B RIGHT (AT RIGHT END OF DASH) ECU-IG RH FUSE HOT IN ON OR START COWL SIDE J/B RIGHT (AT RIGHT END OF DASH) GAUGE FUSE INPUT CIRCUIT JI (LEFT KICK PANEL) LEFT LH-IG FUSE LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX MPX+ MPX- OFF TAIL ORG/ WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT POWER WINDOW MASTER SWITCH CERTIFICATION ECU (RIGHT SIDE OF TRUNK) RED WIRE RIGHT TAIL TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) TURN LH TURN RH TURN SIGNAL SWITCH W/ LEXUS NAVIGATION SYSTEM W/O LEXUS NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY 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 A/C AMPLIFIER BLK WIRE BODY ECU BRN WIRE BRN/RED WIRE CLEARANCE WARNING ECU COMBINATION METER DATA LINK CONNECTOR 3 TIRE PRESSURE WARNING ECU ECU-IG FUSE ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) FUSE GATEWAY ECU (AT RIGHT END OF DASH) GRD GRN WIRE GRN/RED WIRE GRY WIRE GTX+ SIL GTX- HEADLAMP SWIVEL ECU HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED LT BLU WIRE LT GRN WIRE MPX MPX-B FUSE ORG/ WIRE PNK WIRE RED WIRE RELAY RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SIL W/ ADAPTIVE FRONT LIGHTING W/ TIRE PRESSURE WARNING SYSTEM W/O ADAPTIVE FRONT LIGHTING W/O TIRE PRESSURE WARNING SYSTEM WHT WIRE WHT/BLK WIRE

14 5 MOL MOPS 24 25 22 CANL CANH SPD 31 32 NE- NE+ A/C AMPLIFIER MPX+ BLK WIRE BLK/YEL WIRE BLU WIRE BODY COMPUTER BRN WIRE CAIH CAIL CERTIFI- CATION ECU CRANKSHAFT POSITION SENSOR DATA LINK CONNECTOR 3 ECU-IG FUSE ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) ENGINE OIL LEVEL SENSOR ENGINE OIL PRESSURE SWITCH ENGINE ROOM 2 J/B (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FUEL SENDER GAGE (SUB) FUEL SUCTION PUMP, GAGE ASSEMBLY GATEWAY ECU (AT RIGHT END OF DASH) GRD GRN WIRE GRY WIRE LEFT COWL SIDE J/B (AT LEFT END OF DASH) LT GRN/BLK WIRE MPX MULTI-DISPLAY NCA WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH RADIO RECEIVER ASSEMBLY SWG RED WIRE RED/WHT WIRE RELAY ENERGIZED SKID CONTROL ECU SKID CONTROL ECU W/ ACTUATOR SPIRAL CABLE STEERING PAD SWITCH STEREO COMPONENT AMPLIFIER TAC TACH TACH SPD PNK WIRE TIRE PRESSURE WARNING ECU VIO WIRE VIO/YEL WIRE WATER LEVEL WARNING SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE YEL/GRN WIRE

+IG 11 12 DBE+ DBE- 13 22 CANH CANL 30 31 MPX+ MPX- A/C AMPLIFIER (BEHIND CENTER OF DASH) AIRBAG SENSOR ASSEMBLY CENTER BLK WIRE BLK/GRN WIRE BLK/RED WIRE BLU WIRE BRN WIRE BRN/RED WIRE BUCKLE SWITCH COMBINATION METER PBLT PBLT COMPUTER DATA LINES SYSTEM DRIVER'S SEAT BELT INDICATOR ECU-IG FUSE ENGINE ROOM 1 R/B (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (AT RIGHT END OF DASH) GAUGE FUSE GRN/RED WIRE HEADLAMP SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES INPUT CIRCUIT INTEGRATED CONTROL, PANEL ASSEMBLY CLOCK ASSEMBLY IG+ IG+ LEFT COWL SIDE J/B (AT LEFT END OF DASH) LEFT FRONT SEAT INNER BELT LT GRN WIRE MICRO COMPUTER MPX+ MPX- MPX-B FUSE OCCUPATION DETECTION SENSOR ORG/ WIRE PASSIVE RESTRAINTS SYSTEM PBEW PBEW PNK PNK WIRE PNK WIRE POWER SUPPLY RED WIRE RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) W/O NAVI- GATION W/ NAVI- GATION WHT WIRE WHT/BLK WIRE YEL WIRE

+IG 1 2 3 4 5 6 7 8 9 IG 30 31 MPX+ MPX- A/C AMPLIFIER (BEHIND CENTER OF DASH) ANFR ANRL BLK WIRE BRN WIRE BRN/RED WIRE COMBINATION METER +IG +IG COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE ROOM 1 R/B (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU (AT RIGHT END OF DASH) GAUGE FUSE GRN/RED WIRE GRY WIRE GTX+ GTX- HEADLAMP SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES INPUT CIRCUIT LEFT COWL SIDE J/B (AT LEFT END OF DASH) LSEL SET LT BLU WIRE LT GRN WIRE MASTER INDICATOR MICRO COMPUTER MPX+ MPX- MPX-B FUSE ORG/ WIRE PNK CLSW IDSE GRD WIRE PNK WIRE POWER SUPPLY RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RSEL TIRE PRESSURE ANTENNA (LEFT REAR) (IN LEFT REAR WHEELWELL) TIRE PRESSURE ANTENNA (RIGHT FRONT) (IN RIGHT FRONT WHEELWELL) TIRE PRESSURE INDICATOR TIRE PRESSURE WARNING ECU (BEHIND CENTER OF DASH) VIO WIRE WHT/BLK WIRE