Lexus IS II (2005-2008) micro computer Wiring diagrams

+BM BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAIH CAIL COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) GATEWAY ECU GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT LT GRN WIRE MICRO COMPUTER MPX MPX-B FUSE NCA WIRE ORG/ WIRE PNK WIRE RED WIRE RED/BLK WIRE SKID CONTROL ECU SPEEDOMETER SUPPLY POWER THROTTLE BODY ASSEMBLY TRANSMISSION CONTROL SWITCH (A/T) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM ECU (RIGHT KICK PANEL) ECU-IG FUSE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (IN TRANSMISSION) ENGINE ROOM 1 R/B FREE GAUGE FUSE GRD GRN WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES INPUT CIRCUIT LT GRN WIRE MASTER MICRO COMPUTER MPX MPX-B FUSE (ON RIGHT REAR OF ENGINE COMPT) ORG/ WIRE PNK 39 37 40 38 11 25 12 RRO FRO RLO FLO CANH CANL WIRE PNK COMPUTER DATA LINES SYSTEM WIRE PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLU WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) SLC+ SLC+ CANL RLO FLO SPEEDOMETER SUPPLY POWER VIO WIRE VIO/YEL WIRE WHT/BLK WIRE YEL WIRE

+BM 8 9 PNK WIRE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CAIH CAIL COMBINATION METER COMPUTER DATA LINES SYSTEM ECT ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) ETHA GATEWAY ECU GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT LT GRN WIRE MASS AIR FLOW METER (RIGHT SIDE OF ENGINE COMPT) MICRO COMPUTER MPX MPX-B FUSE NCA WIRE ORG/ WIRE PNK WIRE PWR RED WIRE RED/BLK WIRE RED/WHT WIRE SKID CONTROL ECU SNOW SPEEDOMETER SUPPLY POWER TACHOMETER THA THROTTLE BODY ASSEMBLY VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN 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

+B MOR- MOL- PBK- +IG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 MOR+ MOL+ ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CANL SIL COMBINATION METER SI COMPUTER DATA LINES SYSTEM ECU-IG FUSE GAUGE FUSE GRD GRN WIRE GRY WIRE HOT AT ALL TIMES INPUT CIRCUIT LEFT COWL SIDE JUNCTION BLOCK (AT LEFT END OF DASH) LEFT FRONT SEAT OUTER BELT MOTOR LT BLU WIRE MASTER IND MICRO COMPUTER MPX+ MPX- ORG/ WIRE PBK+ PCS IND SRS IND PNK PNK WIRE PNK WIRE POWER SUPPLY PSB FUSE RED WIRE RELAY RELAY ENERGIZED RIGHT COWL SIDE JUNCTION BLOCK (AT RIGHT END OF DASH) RIGHT FRONT SEAT INNER BELT RIGHT FRONT SEAT OUTER BELT MOTOR SEAT BELT CONTROL ECU (LEFT SIDE OF TRUNK) SPEEDOMETER VIO WIRE VSC WARNING BUZZER WHT WIRE WHT/BLK WIRE

+IG 29 37 38 39 RCO ASEL RDA RSSI 7 2 4 3 5 5 ANT +5 ASEL DATA RSSI GND BLK WIRE BLU WIRE BODY ECU BRN WIRE BZB CERTIFICATION ECU (RIGHT SIDE OF TRUNK) CHK UP DWN CLS CLS OPN COMBINATION METER COMPUTER DATA LINES SYSTEM COWL SIDE J/B RIGHT (AT RIGHT END OF DASH) DCTY DOOR CONTROL RECEIVER (RIGHT REAR OF VEHICLE) DOWN ELECTRICAL KEY ANTENNA (RIGHT REAR OF TRUNK) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START COWL SIDE J/B LEFT (AT LEFT END OF DASH) ECU-IG LH FUSE HOT IN ON OR START COWL SIDE J/B RIGHT (AT RIGHT END OF DASH) GAUGE FUSE INPUT CIRCUIT KUL LEFT FRONT DOOR COURTESY SWITCH (ON LEFT "B" PILLAR) LEFT FRONT DOOR LOCK ASSEMBLY LT BLU WIRE LT GRN WIRE MASTER MICRO COMPUTER MICRO COMPUTER (SUB) MPX MPX+ MPX- MPX-B FUSE MULTI-INFORMATION DISPLAY NEAR LEFT "B" PILLAR) OPN ORG/ WIRE OVERHEAD J/B (ON FRONT CENTER OF ROOF) POWER SUPPLY CIRCUIT POWER WINDOW MASTER SWITCH RED WIRE S/ROOF FUSE SLIDING ROOF CONTROL ECU (ON FRONT CENTER OF ROOF) SLIDING ROOF SWITCHES VIO WIRE WHT WIRE WHT/BLK WIRE WIRELESS DOOR LOCK BUZZER (NEAR TOP OF LEFT FRONT WHEELWELL, INSIDE FENDER) YEL 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

10 9 PNK CANH CANL WIRE 11 16 8 30 25 11 BZ CANL CANH 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 ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMBINATION METER SI PBLT COMPUTER DATA LINES SYSTEM DISTANCE CONTROL ECU ECU-IG FUSE GRY WIRE HOT AT ALL TIMES IG+ ES INPUT CIRCUIT LEFT COWL SIDE J/B (AT LEFT RELAY END OF DASH) LT GRN WIRE MICRO COMPUTER MILLIMETER WAVE RADOR SENSOR MPX+ MPX- ORG/ WIRE PNK WIRE POWER SUPPLY RED WIRE SKID CONTROL ECU SRS IND STEERING SENSOR ECU VIO WIRE VSC WARNING BUZZER W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT W/O VEHICLE DYNAMICS INTEGRATED MANAGEMENT WHT WIRE WHT/BLK WIRE YAW RATE SENSOR

+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

1 3 2 SIG ES MPX 2 J/B (LEFT SIDE OF ENGINE COMPT) 21 2 36 37 40 23 IG GRD MPX BLK WIRE BLU WIRE BLU/ORG WIRE BODY ECU S/S +2 S/M BRN WIRE CIRCUIT INPUT COMBINATION METER COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE ROOM ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER FRONT WIPER FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEADLIGHTS SYSTEM HOT AT ALL TIMES IG+ 12 1 13 POWER SUPPLY LEFT LEFT COWL SIDE J/B (AT LEFT END OF DASH) LIGHT CONTROL RHEOSTAT LT GRN WIRE MICRO COMPUTER MPX+ MPX- 6 18 21 14 9 8 MPX-B FUSE ORG/ WIRE OVERHEAD J/B (ON FRONT CENTER OF ROOF) PNK 34 24 7 WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RAIN SENSOR RED/BLU WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) TR ET ILL+ TC VIO WIRE WASH RELAY WASHER FUSE WHT WIRE WHT/BLK WIRE WIG WINDSHIELD WASHER MOTOR (BELOW LEFT HEADLIGHT) WINDSHIELD WIPER MOTOR (BELOW LOWER LEFT SIDE OF WINDSHIELD) WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE