Lexus IS II facelift (2008-2010) yel Wiring diagrams

25 14 11 CANH CANL BLK WIRE BLU/WHT WIRE BRN WIRE CIRCUIT COMBINATION METER COMPUTER DATA LINES SYSTEM COMPUTER RIGHT COWL DATA LINES SIDE J/B SYSTEM (RIGHT END OF DASH) DOME+B ECU (RIGHT KICK PANEL) ECU-IG RH FUSE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON TRANSMISSION) ENGINE ROOM R/B 1 FREE GAUGE FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED IND INPUT CIRCUIT LT GRN WIRE MASTER MICRO COMPUTER MPX MPX-B FUSE (RIGHT REAR OF ENGINE COMPT) ORG/ WIRE PNK COMPUTER DATA LINES SYSTEM WIRE PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (RIGHT SIDE OF DASH) RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) SKID CONTROL ECU (W/ ACTUATOR) (LEFT REAR OF ENGINE COMPT) SLC+ SLC+ CANH SLIP SPEEDOMETER SUPPLY POWER VIO WIRE VIO/YEL WIRE WHT/BLK WIRE YEL WIRE

13 12 MREL STA 2 4 5 6 EC BATT 22 24 25 SPD CANL CANH 4 3 9 16 19 26 27 30 32 33 34 35 STP TC ACCELERATOR POSITION SENSOR (LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLU WIRE BLU/ WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPARTMENT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE EFI 2 FUSE GAUGE FUSE IGN FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED J/C LEFT PADDLE SHIFT SWITCH LT GRN WIRE ORG/ WIRE PADDLE SHIFT SWITCH PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SFTU SHIFT SWITCH RIGHT PADDLE SPIRAL CABLE (UNDER STEERING WHEEL) STARTING/CHARGING SYSTEM STEERING PAD SWITCH STOP LAMP SWITCH (LEFT SIDE OF DASH) STOP SW FUSE TACH SFTD PNK WIRE TRANSMISSION CONTROL SWITCH VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

+BM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM ECT PWR IND ECT SNOW IND ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ETHA GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES IG 2 OR DOME+3 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 RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT COWL PANEL J/B (RIGHT END OF DASH) SIDE OF ENGINE COMPT) SPEEDOMETER SUPPLY POWER TACHOMETER THA THROTTLE BODY ASSEMBLY VIO WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

2 7 9 1 RB 20 21 22 23 7 4 35 34 32 27 26 25 24 19 18 17 16 13 12 11 10 9 6 8 2 NT- NT+ BLK WIRE BLU WIRE BODY ECU PWR BRN WIRE BSF COMPUTER DATA LINES SYSTEM ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON TRANSMISSION) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT REAR LH-IG FUSE LT BLU WIRE LT GRN WIRE OIL OIL EOIL ORG/ WIRE PARK/NEUTRAL POSITION SWITCH PNK WIRE RED WIRE RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) SLT+ SLT- SLC SLU- SLU+ SNOW STAR SLT+ SLT- STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM TRANSMISSION REVOLUTION SENSOR (COUNTER GEAR) (REAR OF TRANSMISSION) TRANSMISSION REVOLUTION SENSOR (TURBINE) VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 3 2 SIG ES MPX 21 39 36 37 40 23 IG GND MPX AUTO BLK WIRE BLU WIRE BLU/ORG WIRE BRN WIRE CIRCUIT INPUT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY (WASHER ENGINE ROOM ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FR WIP FUSE FRONT CONTROLLER GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEADLAMP WASHER CIRCUIT HOT AT ALL TIMES HOT IN ON OR START IG+ 12 13 POWER SUPPLY ES J/B 2 (LEFT SIDE OF ENGINE COMPT) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LH ECU-IG FUSE LH-IG 2 RELAY LT GRN WIRE MICRO COMPUTER MIST MPX+ MPX- 6 18 MPX-B FUSE OFF ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) (UNDER CENTER CONSOLE) RAIN SENSOR (TOP CENTER OF FRONT WINDSHIELD) RED/BLU WIRE RESERVOIR) RH ECU-IG FUSE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) S/S +2 S/M SWITCH WASH RELAY WASHER WASHER FUSE WHT WIRE WHT/BLK WIRE WIG WINDSHIELD WIPER MOTOR ASSEMBLY (BELOW LOWER LEFT SIDE OF WINDSHIELD) WINDSHIELD WIPER SWITCH ASSEMBLY WIPER SWITCH YEL WIRE

1 2 3 4 5 6 HDLO 2 4 5 6 7 IG HEAD BLK WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE COMPUTER DATA LINES SYSTEM FRONT CONTROLLER FRWA PB GRN WIRE GRY WIRE HEAD AUTO HEAD HDLO HEAD LP RELAY HEADLAMP CLEANER SWITCH ASSEMBLY HEADLIGHT CLEANER CONTROL RELAY (BELOW LEFT HEADLIGHT) HEADLIGHT CLEANER MOTOR, PUMP ASSEMBLY (WASHER RESERVOIR) HEADLIGHT DIMMER SWITCH ASSEMBLY HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM HOT AT ALL TIMES ENGINE ROOM J/B 1 (RIGHT REAR OF ENGINE COMPT) J/B 2 (LEFT SIDE OF ENGINE COMPT) WASHER FUSE LEFT COWL SIDE J/B (LEFT END OF DASH) LH-IG 1 RELAY LH-IG FUSE LIGHT CONTROL SWITCH MAIN FUSE OFF OFF TAIL ORG/ WIRE PNK 34 24 7 WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) R/B 2 (LEFT SIDE OF ENGINE COMPT) H-LP CLN FUSE RED WIRE RED/GRN WIRE RED/WHT WIRE RH ECU-IG FUSE RH-IG 1 RELAY RIGHT MAIN BODY ECU TAIL HEAD AUTO WASH RELAY WASHER SWITCH WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE WINDSHIELD WASHER MOTOR, PUMP ASSEMBLY (WASHER RESERVOIR) WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE

+IG 11 12 DBE+ DBE- 13 12 FSR- FSR+ 13 22 CANH CANL 2 1 3 PS GPS VPS 30 31 MPX+ MPX- 7 15 6 14 13 11 12 VPS GPS PS BGND BSW FSR+ FSR- A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) CLOCK ASSEMBLY COMBINATION PBLT METER ASSEMBLY COMPUTER DATA LINES SYSTEM DCTY DRIVER'S SEAT BELT IND ECU-IG RH FUSE GAUGE FUSE GRN WIRE GRY WIRE GTX+ GTX- HEADLIGHT SWIVEL ECU (LEFT KICK PANEL) HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) IG 2 IG+ IG+ INPUT CIRCUIT INTEGRATION CONTROL, PANEL ASSEMBLY LCD (MULTI) LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LT BLU WIRE LT GRN WIRE MAIN BODY ECU MICRO COMPUTER MPX+ MPX- MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) OCCUPANT DETECTION SENSOR ORG/ WIRE PBEW PBEW PNK PNK WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT COWL SIDE J/B (RIGHT END OF DASH) COMPUTER DATA LINES SYSTEM RIGHT FRONT SEAT INNER BELT ASSEMBLY (UNDER RIGHT FRONT SEAT) W/O W/ NAVIGATION NAVIGATION WHT WIRE YEL WIRE

-SR -SL +SR +SL AIR BAG SENSOR SEAT POSITION BBL+ BBL- BBL+ BCL+ BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BODY ECU BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) COMPUTER DATA LINES SYSTEM DK DK ECU-IG RH FUSE GRN WIRE GRY WIRE GSW HOT AT ALL TIMES IGN FUSE GAUGE FUSE LEFT CURTAIN SHIELD AIR BAG ASSEMBLY (LEFT ROOF RAIL) LEFT FRONT PRETENSIONER (BASE OF LEFT "B" PILLAR) LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) LEFT FRONT SIDE AIR BAG SENSOR (LEFT "B" PILLAR) LEFT FRONT SIDE AIR BAG SQUIB (LEFT SIDE OF DRIVER'S SEAT BACK) LEFT REAR AIR BAG SENSOR (LEFT "C" PILLAR) BCL+ LEFT REAR PRETENSIONER (LEFT "C" PILLAR) LT BLU WIRE LT GRN WIRE ORG/ WIRE P- P+ D+ D- PNK COMPUTER DATA LINES SYSTEM CANL PAON WIRE PNK WIRE RED WIRE RELAY RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END END DASH) SIL P-AB GSW PK+ PK- WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

BBR+ BCR- BCR+ REAR AIR BAG SENSOR BBR- BBR+ (RIGHT "C" PILLAR) BLK WIRE BRN WIRE CLOCK ASSEMBLY CLOCK IG+ COMPUTER DATA LINES SYSTEM DRIVER SIDE SQUIB CIRCUIT FRONT PASSENGER SIDE SQUIB CIRCUIT GRN WIRE GRY WIRE INTEGRATION CONTROL, PANEL ASSEMBLY IG+ LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT AIR BAG SENSOR LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 1 LOWER INSTRUMENT PANEL AIR BAG ASSEMBLY 2 LT BLU WIRE ORG/ WIRE P-AB PAON PNK WIRE RED WIRE RIGHT RIGHT CURTAIN SHIELD AIR BAG ASSEMBLY (RIGHT ROOF RAIL) RIGHT FRONT AIR BAG SENSOR RIGHT FRONT PRETENSIONER (BASE OF RIGHT "B" PILLAR) RIGHT FRONT SIDE AIR BAG SENSOR (RIGHT "B" PILLAR) RIGHT FRONT SIDE AIR BAG SQUIB (RIGHT SIDE OF RIGHT FRONT SEAT BACK) RIGHT REAR PRETENSIONER (RIGHT "C" PILLAR) SL- SPIRAL LABLE SUB- ASSEMBLY SR- VIO WIRE W/ NAVIGATION SYSTEM INTEGRATION CONTROL, PANEL ASSEMBLY W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

23 13 22 8 9 LRRD IGB LRDD CANH CANL PNK WIRE 3 5 4 LRDD IGB LRRD PNK WIRE 5 3 2 IG CANH CANL PNK WIRE 8 16 11 CANH CANL BZ ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BUCKLE SWITCH RIGHT FRONT SEAT INNER BELT ASSEMBLY (UNDER RIGHT FRONT SEAT) COMBINATION METER ASSEMBLY SI COMPUTER DATA LINES SYSTEM DISTANCE CONTROL ECU (BEHIND LEFT SIDE OF DASH) ECU-IG LH FUSE GBT GND PS VPS GBT IG DIA FSR+ FSR- BSW BGND GPS BT VBT GPS GRN WIRE GRY WIRE HOT AT ALL TIMES IG+ ES INPUT CIRCUIT LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT COWL SIDE J/B (LEFT END RELAY OF DASH) LT GRN WIRE MICRO COMPUTER MILLIMETER WAVE RADAR SENSOR (BEHIND CENTER OF FRONT GRILLE) MPX+ MPX- OCCUPANT CLASSIFICATION SENSOR OCCUPANT DETECTION ECU (UNDER FRONT PASSENGER'S SEAT) ORG/ WIRE PBLT PNK VBT WIRE PNK WIRE POWER SUPPLY CIRCUIT RED WIRE SEAT BELT TENSION SENSOR (BASE OF RIGHT "B" PILLAR) SKID CONTROL BUZZER ASSEMBLY (BEHIND LEFT SIDE OF DASH) SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) SRS IND STEERING SENSOR (UNDER LEFT SIDE OF DASH) VIO WIRE VPS WHT WIRE WHT/BLK WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE) YEL WIRE