Lexus IS II (2005-2008) (behind left side of dash) 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

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 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

1 19 3.5L 2.5L A/T M/T BACK-UP LIGHT SWITCH (NEAR SELECTOR LEVER) BKUP BLK WIRE BODY ECU MPXB COWL SIDE J/B LEFT (AT LEFT END OF DASH) COWL SIDE J/B RIGHT (AT RIGHT END OF DASH) GRN WIRE HOT IN ON OR START J/C LEFT REAR COMBINATION LIGHT BACK-UP LIGHT LH-IG FUSE LT LT ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANS- MISSION) RED WIRE RIGHT REAR COMBINATION LIGHT BACK-UP LIGHT SGND VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

AIRBAG SENSOR ASSEMBLY CENTER BLU WIRE BODY ECU BRN WIRE CG SG CANH SIL COMBINATION METER COMPUTER DATA LINES SYSTEM (HIGH/LOW BUS CIRCUIT) CONTROL ECU D/G DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH) ENGINE CONTROL MODULE FREE GATEWAY EXU GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (AT LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MULTI-DISPLAY OBD FUSE OPA TS TC CANL WFSE BAT RED WIRE RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SEAT BELT CONTROL ECU SIL SKID CONTROL ECU W/ OR W/O ACTUATOR TAC VIO WIRE W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT W/O VEHICLE DYNAMICS INTEGRATED MANAGEMENT WFSE WHT WIRE WHT/BLK 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

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

BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BODY ECU (AT RIGHT, LEFT ENDS OF DASH) BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM COWL SIDE J/B RIGHT CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEM DOME FUSE ECT PWR IND ECT SNOW IND EFI ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE OIL LEVEL SENSOR (NEAR BOTTOM OF ENGINE) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES IND LT BLU WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MASTER IND MPX+ MPX- MPX-B FUSE NCA WIRE ORG/ WIRE PNK WIRE PWR RED WIRE SNOW WHT WIRE WHT/BLK WIRE YEL WIRE