Lexus IS II (2005-2008) relay Wiring diagrams

2 4 5 6 EC BATT 3 9 19 26 27 30 31 32 33 34 35 TC ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG FUSE IGN FUSE LEFT PADDLE SHIFT SWITCH LT GRN WIRE MODE ON/OFF MREL IGSW CCHG SPD CANL CANH LGND ORG/ WIRE PADDLE SHIFT SWITCH (A/T) PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RIGHT DISTANCE CONTROL STEERING PAD SWITCH SFTD SFTU CCS SHIFT SWITCH LEFT PADDLE SPIRAL CABLE STEERING PAD SWITCH STOP LAMP SWITCH STOP SW FUSE VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 LGND SGRD LRDD LRRD IGB 2 9 7 6 PNK WIRE BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CANH CANL SGRD COMPUTER DATA LINES SYSTEM DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) ECU-IG FUSE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON TRANSMISSION) (A/T) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRD IGB PNK WIRE GRN WIRE GRY WIRE HOT AT ALL TIMES IG FUSE LEFT LEFT (AT LEFT END OF DASH) RELAY LEFT COWL SIDE J/B LRDD LRRD LT BLU WIRE LT GRN WIRE MILLIMETER WAVE RADAR SENSOR (FRONT OF VEHICLE) MODE OIL EOIL OIL SLT- ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PNK WIRE RED WIRE RELAY SLT- SLT- SLT+ SLU+ SLU- SLU+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

2 4 5 6 EC BATT 3 9 19 26 27 30 31 32 33 34 35 TC 6 7 PNK WIRE ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CLSW MREL IGSW SPD CANL CANH COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GAUGE FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG FUSE IGN FUSE LEFT PADDLE SHIFT SWITCH LT GRN WIRE ORG/ WIRE PADDLE SHIFT SWITCH (A/T) PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SFTD SFTU CCS SHIFT SWITCH LEFT PADDLE SPIRAL CABLE STEERING PAD SWITCH STOP LAMP SWITCH STOP SW FUSE TRANSMISSION CONTROL SWITCH (A/T) VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

ABS BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE ACTUATOR (LEFT REAR OF ENGINE COMPT) BRAKE LAMP RELAY BRAKE/ BRN WIRE BRN/WHT WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE ROOM 2 R/B (LEFT SIDE OF ENGINE COMPT) FLA- FRA GAUGE FUSE GRD GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG+ POWER SUPPLY INPUT CIRCUIT J/C LT GRN WIRE MASTER MICRO COMPUTER MPX+ MPX- 6 18 NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH PMC PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RLA- RRA+ SFLR SFRR SI SLIP SPEEDOMETER 1 13 SRLR SRRR SSEL STOP LAMP SWITCH STOP SW FUSE VCM VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1 3 9 10 2 IG BAT CANL CANH ESS 24 25 CANL CANH 5 4 3 2 1 IG 6 4 CANL CANH BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CAMSHAFT TIMING OIL CONTROL VALVE (LEFT EXHAUST) (ON LEFT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (LEFT INTAKE) (ON LEFT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT EXHAUST) (ON RIGHT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT INTAKE) (ON RIGHT CYLINDER HEAD) COMPUTER DATA LINES SYSTEM CRANKSHAFT POSITION SENSOR ECU-IG FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES IG FUSE LEFT LEFT COWL SIDE J/B LEFT (AT LEFT END OF DASH) RELAY LT GRN WIRE M- M+ NCA WIRE NE- NE+ PNK CANH CANL GRD WIRE PNK WIRE RED WIRE RED/BLK WIRE RELAY SEAT BELT CONTROL ECU (LEFT SIDE OF TRUNK) STEERING SENSOR (AT STEERING COLUMN) THROTTLE BODY ASSEMBLY VSC WARNING BUZZER WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL WIRE YEL/BLK WIRE

1 3 9 10 2 IG BAT CANL CANH ESS 24 25 CANL CANH COMPUTER DATA LINES SYSTEM 5 4 3 2 1 IG 6 18 17 MPX+ MPX- COMPUTER DATA LINES SYSTEM A/T ABS BLK WIRE BLU WIRE BLU/WHT WIRE BRAKE/ BRN WIRE CAMSHAFT TIMING OIL CONTROL VALVE (LEFT EXHAUST) (ON LEFT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (LEFT INTAKE) (ON LEFT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT EXHAUST) (ON RIGHT CYLINDER HEAD) CAMSHAFT TIMING OIL CONTROL VALVE (RIGHT INTAKE) (ON RIGHT CYLINDER HEAD) COMBINATION METER COMPUTER DATA LINES SYSTEM PNK WIRE CRANKSHAFT POSITION SENSOR ECU-IG FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES IG FUSE INPUT CIRCUIT LEFT LEFT COWL SIDE J/B (AT LEFT END OF DASH) LT GRN WIRE M- M+ M/T MASTER MICRO COMPUTER NCA WIRE NE- NE+ ORG/ WIRE PARKING BRAKE SWITCH PNK CANH CANL GRD COMPUTER DATA LINES SYSTEM WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY RED WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SLIP SPEEDOMETER STEERING SENSOR (AT STEERING COLUMN) STOP SW FUSE THROTTLE BODY ASSEMBLY VIO WIRE VSC WARNING BUZZER WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL WIRE YEL/BLK WIRE

2 3 4 PNK WIRE 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 PNK WIRE ANT ASEL BLK WIRE BLU WIRE BRN WIRE CLG CLGB DATA DOOR CONTROL RECEIVER ECU-IG FUSE ELECTRICAL KEY ANTENNA FUSE GRD GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT W/ ACC RELAY ENERGIZED IG FUSE J/C LEFT LEFT COWL SIDE J/B (AT LEFT END OF DASH) LEFT FRONT DOOR ELECTRICAL KEY OSCILLATOR (W/ WIRELESS DOOR LOCK CONTROL) LEFT FRONT DOOR OUTSIDE HANDLE LT BLU WIRE LT GRN LT GRN WIRE LT GRN WIRE NEAR LEFT "B" PILLAR) ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH PNK WIRE RED WIRE RELAY RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RIGHT FRONT DOOR ELECTRICAL KEY OSCILLATOR (W/ WIRELESS DOOR LOCK CONTROL) RIGHT FRONT DOOR OUTSIDE HANDLE RSSI SECURITY FUSE SEL SENS SGT TRG+ VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

A/C AMPLIFIER (BEHIND CENTER OF DASH) A/C FUSE A/C PRESSURE SENSOR A/C ROOM TEMPERATURE SENSOR A/C PRESSURE SENSOR (LOW) (M/T) AUTOMATIC LIGHT CONTROL SENSOR BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/YEL WIRE BLW BRN WIRE COMPUTER DATA LINES SYSTEM CUT) DEFOGGERS SYSTEM DGS DGS TSD ECU-IG FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IG FUSE LEFT LEFT COWL SIDE J/B (AT LEFT END OF DASH) LOUT LT GRN WIRE MPX+ MPX- PSW ORG/ WIRE PARTIAL PNK SG-2 SG-6 WIRE PNK WIRE PRE TSP PNK WIRE RED WIRE RELAY RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) ROUT SEAT HEATER SWITCH (IF EQUIPPED) SEATS SYSTEM SG-3 SG-1 GRD IG+ SG-4 SGND SMOG VENTILATION SENSOR (3.5L) SOL + TSL TSR VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN 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 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