Lexus IS II (2005-2008) engine control module Wiring diagrams

1 2 3 4 5 6 7 8 B+ 1 2 PNK WIRE 12 24 25 STA CANL CANH 16 7 6 TACH IMO IMI 22 32 PNK ALT RL WIRE ACCD BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTSW IGE EFII EFIO PNK WIRE ENGINE CONTROL MODULE ENGINE ROOM 2 (LEFT SIDE OF ENGINE COMPT) FUSE GENERATOR GRD (RIGHT KICK PANEL) GRN WIRE GRY WIRE HOT AT ALL TIMES ID CODE BOX (BEHIND CENTER OF DASH) IGE SGRD GRD INDS INDW INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B (AT LEFT END OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK SPD WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B IGN FUSE (AT RIGHT END OF DASH) RIGHT COWL SIDE J/B SECURITY FUSE SHIFT LOCK CONTROL ECU (IN CENTER CONSOLE) SKSW SLP STAR STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM STEERING LOCK ECU (TOP RIGHT SIDE OF STEERING COLUMN) STOP LAMP SWITCH STOP SW FUSE (AT RIGHT END OF DASH) STR LOCK FUSE STSW SWIL VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED 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 GRD SLD+ SLD- FRV- +B FRV+ LFT+ RCL+ LFT- RCL- BLK WIRE BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM DRIVER'S SEAT POSITION CONTROL ECU, SWITCH (BELOW LEFT FRONT SEAT) ENGINE CONTROL MODULE FRONT DOOR FUSE FRONT P/SEAT FUSE GATEWAY ECU GRN WIRE GRY WIRE HOT AT ALL TIMES IG FUSE LEFT COWL J/B (AT LEFT END OF DASH) LT GRN WIRE NEAR LEFT "B" PILLAR) PARK/ NEUTRAL POSITION SWITCH PNK WIRE POWER SEAT MOTOR (DRIVER'S SEAT FRONT VERTICAL CONTROL) (BELOW DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT LUMBAR SUPPORT CONTROL) (IN DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT REAR VERTICAL CONTROL) (IN DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT RECLINING CONTROL) (IN DRIVER'S SEAT) POWER SEAT MOTOR (DRIVER'S SEAT SLIDE CONTROL) (IN DRIVER'S SEAT) POWER SEAT SWITCH (DRIVER'S SEAT LUMBAR SUPPORT CONTROL) (IN DRIVER'S SEAT) RED WIRE RELAY SKID CONTROL ECU SYSB WHT WIRE WHT/BLK WIRE YEL WIRE

A/C COMPRESSOR A/F RELAY BLK WIRE BLOWER MOTOR BRAKE ACTUATOR BRAKE FLUID LEVEL WARNING SWITCH BRAKE PEDAL ROAD SENSING SWITCH EFI 2 RELAY EFI MAIN RELAY ENGINE CONTROL MODULE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FAN 2 RELAY FRONT CONTROLLER HEADLAMP CLEANER CONTROL RELAY WINDSHIELD WASHER MOTOR HEADLAMP SWIVEL ECU JUNCTION CONNECTOR POWER STEERING ECU RELAY SKID CONTROL ECU SKID CONTROL ECU WITH ACTUATOR ST CUT RELAY W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT W/O VEHICLE DYNAMICS INTEGRATED MANAGEMENT WATER LEVEL WARNING SWITCH WHT/BLK WIRE WINDSHIELD WIPER MOTOR WIRELESS DOOR LOCK BUZZER

A/C COMPRESSOR AIR FUEL RATIO SENSOR (BANK 1 SENSOR 1) SHIELD AIR FUEL RATIO SENSOR (BANK 2 SENSOR 1) SHIELD BRN WIRE CANISTER PUMP ASSEMBLY CRANKSHAFT POSITION SENSOR SHIELD CRUISE CONTROL) MILLIMETER WAVE RADAR SENSOR DATA LINK CONNECTOR 3 ENGINE CONTROL MODULE ENGINE OIL LEVEL SENSOR HEATED OXYGEN SENSOR (BANK 1 SENSOR 2) SHIELD HEATED OXYGEN SENSOR (BANK 2 SENSOR 2) SHIELD IGNITION COIL 1 IGNITION COIL 3 IGNITION COIL 5 INJ RELAY SHIELD JUNCTION JUNCTION CONNECTOR KNOCK SENSOR SHIELD SHIELDED SPILL CONTROL VALVE SHIELD SPIRAL CABLE TRANSMISSION CONTROL SWITCH WHT/BLK WIRE

1 2 TX- TX+ 18 19 TX- TX+ 36 38 37 MPX 4 3 18 17 PNK WIRE 5 15 ATX+ ATX- PNK WIRE 7 8 TX+ TX- 9 10 TXM+ TXM- AIRBAG SENSOR ASSEMBLY CENTER BLK WIRE BLU WIRE BODY ECU BRN WIRE DISTANCE CONTROL ECU ENGINE CONTROL MODULE ENGINE ROOM 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER GRY WIRE INTEGRATION CONTROL, PANEL ASSEMBLY LEFT COWL SIDE J/B (AT LEFT END OF DASH) LEFT FRONT SEAT POSITION CONTROL ECU, SWITCH LEFT OUTER MIRROR CONTROL ECU LT BLU WIRE LT GRN WIRE MPX MULTI-DISPLAY MULTI-MEDIA MODULE NAVIGATION ASSEMBLY ORG/ WIRE OVERHEAD J/B PNK 1 2 3 WIRE PNK 6 7 8 9 10 11 12 13 14 15 16 17 18 19 WIRE PNK 9 10 CMP+ CMP- WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RAIN SENSOR RED WIRE SEAT BELT CONTROL ECU SKID CONTROL ECU W/ ACTUATOR SLIDING ROOF CONTROL ECU STEERING SENSOR STEREO COMPONENT AMPLIFIER VIO WIRE W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/RED WIRE YAW RATE SENSOR

1 3 4 6 GRD SIG CPUB BDR 26 8 MSWE BLK WIRE BLU WIRE BODY ECU DCTY PKB COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM (NEAR LEFT "B" PILLAR DRIVER'S SEAT MEMORY SWITCH ENGINE CONTROL MODULE FRONT DOOR FUSE GRN WIRE GRY WIRE HOT AT ALL TIMES IG FUSE LEFT COWL J/B (AT LEFT END OF DASH) LEFT OUTER REAR VIEW MIRROR LEFT/RIGHT MOTOR LT BLU WIRE LT GRN WIRE ORG/ WIRE OUTER MIRROR CONTROL ECU (LEFT) (IN LEFT FRONT DOOR) PARK/ NEUTRAL POSITION SWITCH PARKING BRAKE SWITCH (M/T) PNK 1 2 3 WIRE PNK WIRE RED WIRE RELAY RETRACTABLE MOTOR RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY SWITCH SENSOR SET- SILE SKID CONTROL ECU UP/DOWN MOTOR VC HSSR 13 14 VIO WIRE VSSR WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DOWN ENGINE CONTROL MODULE FRONT DOOR FUSE GATEWAY ECU GRD GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES IG FUSE LEFT COWL J/B (AT LEFT END OF DASH) LONG LT GRN WIRE MSW PARK/ NEUTRAL POSITION SWITCH PNK 1 2 3 WIRE PNK WIRE RED WIRE RELAY SHORT SKID CONTROL ECU TILT, TELESCOPIC SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

1 2 3 4 5 6 7 8 9 10 GRD SLD+ SLD- FRV- +B FRV+ LFT+ RCL+ LFT- RCL- BLK WIRE BLU WIRE BRN WIRE CERTIFICATION ECU COMPUTER DATA LINES SYSTEM ENGINE CONTROL MODULE FRONT DOOR FUSE FRONT P/SEAT FUSE GATEWAY ECU GRN WIRE GRY WIRE HOT AT ALL TIMES IG FUSE LEFT COWL J/B (AT LEFT END OF DASH) LT GRN WIRE PARK/ NEUTRAL POSITION SWITCH PNK SYSB WIRE PNK WIRE POSITION CONTROL ECU, SWITCH (RIGHT) (BELOW RIGHT FRONT SEAT) POWER SEAT MOTOR (FRONT PASSENGER'S SEAT SLIDE CONTROL) (IN RIGHT FRONT SEAT) RED WIRE RELAY RIGHT COWL J/B (AT RIGHT END OF DASH) SKID CONTROL ECU WHT WIRE WHT/BLK WIRE YEL WIRE

10 9 PNK CANH CANL WIRE 11 12 DBE+ DBE- 11 16 8 30 25 11 BZ CANL CANH 13 16 22 25 26 CANH SIL CANL 23 13 22 8 9 LRRD IGB LRDD CANH CANL PNK WIRE 3 2 PNK CANH CANL WIRE 3 4 5 LRDD IGB LRRD PNK WIRE BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BUCKLE SWITCH CENTER AIRBAG SENSOR ASSEMBLY COMPUTER DATA LINES SYSTEM DISTANCE CONTROL ECU ENGINE CONTROL MODULE GATEWAY ECU GRY WIRE LEFT FRONT SEAT INNER BELT LT GRN WIRE MILLIMETER WAVE RADAR SENSOR ORG/ WIRE RED WIRE SKID CONTROL ECU STEERING SENSOR ECU W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT W/O VEHICLE DYNAMICS INTEGRATED MANAGEMENT WHT WIRE WHT/BLK WIRE YAW RATE SENSOR