Lexus IS II facelift (2008-2010) front controller Wiring diagrams

ANT ASEL BLK WIRE BLK/RED WIRE BLU WIRE COMPUTER DATA LINES SYSTEM DATA DOOR CONTROL RECEIVER (RIGHT REAR OF VEHICLE) ELECTRICAL KEY ANTENNA (RIGHT REAR OF TRUNK) ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER GRY WIRE HORN (HIGH) (FRONT OF RADIATOR) HORN (LOW) (FRONT OF RADIATOR) HORN FUSE HORN RELAY HOT AT ALL TIMES LT BLU WIRE LT GRN WIRE RED WIRE RSSI WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DBE- ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B 2 ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER GRN WIRE GRN/RED WIRE GRY WIRE GSW HORN (HIGH) (FRONT OF RADIATOR) HORN (LOW) (FRONT OF RADIATOR) HORN FUSE HORN RELAY HOT AT ALL TIMES LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) MPX MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE RED WIRE SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU 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 25 26 GND WIG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 S/S +2 S/M BACK BKUP BLK WIRE BLOCK BLU WIRE BRN WIRE ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FR WIP FUSE LH-IG FUSE FROM RIGHT COWL SIDE J/B (DIAGRAM 1 OF 2) FRONT CONTROLLER GRN WIRE GRY WIRE HOT IN RUN OR START ILE RCTY LCTY INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU (LEFT COWL SIDE JUNCTION LEFT MAIN BODY ECU (LEFT COWL SIDE JUNCTION BLOCK) LGCY LKUL LPSW LT BLU WIRE LT GRN WIRE MPXB IG NAVIGATION SYSTEM PNK BDCY WIRE PNK WIRE POWER WINDOW REGULAR MASTER SWITCH ASSEMBLY RED WIRE RED/BLU WIRE SGND TL TR TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM TRUNK, TAILGATE, FUEL DOORS SYSTEM YEL WIRE

BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BRN WIRE ECU-IG LH FUSE ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FR TAIL FUSE FRONT CONTROLLER GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE H-LP UPR FUSE HEADLIGHTS SYSTEM HORN FUSE HORN RELAY HORNS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS HEADLIGHTS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) MPX-B FUSE HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END OF DASH) INSTRUMENT CLUSTER SYSTEM WIPER/WASHER SYSTEM LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LEFT OUTER MIRROR CONTROL ECU LT GRN WIRE MPX OVERHEAD MODULE (CENTER FRONT OF ROOF) POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) VIO WIRE WHT/BLK WIRE WHT/BLU WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM

A/F RELAY BLK WIRE BRAKE FLUID LEVEL WARNING SWITCH (BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY) BRAKE PEDAL LOAD SENSING SWITCH ECM (ENGINE CONTROL MODULE) EFI 2 RELAY EFI MAIN RELAY ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT BLOWER W/ FAN MOTOR SUB- ASSEMBLY FRONT CONTROLLER HEADLIGHT SWIVEL ECU ASSEMBLY JUNCTION JUNCTION CONNECTOR LEVEL WARNING SWITCH COMPRESSOR ASSEMBLY ASSEMBLY NOISE FILTER (GHOST BUSTER) POWER STEERING ECU ASSEMBLY RADIO RECEIVER ASSEMBLY RELAY SKID BRAKE CONTROL ACTUATOR ECU ASSEMBLY ASSEMBLY SKID CONTROL ECU ASSEMBLY ST CUT RELAY STEREO COMPONENT AMPLIFIER ASSEMBLY STEREO JACK ADAPTER ASSEMBLY 1 SHIELD TRANSMISSION KICK DOWN CONTROL SWITCH ECU ASSEMBLY ASSEMBLY VVT LH RELAY VVT RH RELAY WHT/BLK WIRE WINDSHIELD HEADLIGHT WASHER CLEANER MOTOR, CONTROL PUMP RELAY ASSEMBLY WINDSHIELD WIPER MOTOR ASSEMBLY WIRELESS DOOR LOCK BUZZER

BLK/YEL WIRE BLU WIRE ECU-IG LH FUSE ENGINE ROOM J/B 2, ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) FR FOG FUSE FR FOG RELAY FROM FRONT CONTROLLER GRN/RED WIRE H-LP L LWR FUSE H-LP R LWR FUSE H-LP UPR FUSE FR TAIL FUSE HEAD LP RELAY HI LO HOT AT ALL TIMES HOT AT HOT AT ALL TIMES ALL TIMES HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FOG LAMP ASSEMBLY LEFT HEADLIGHT ASSEMBLY LIGHT LOW CONTROL (HID) ECU LIGHT LOW CONTROL (HID) ECU HIGH LT GRN WIRE MAIN FUSE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FOG LAMP ASSEMBLY RIGHT HEADLIGHT ASSEMBLY SOLENOID WHT/BLK WIRE

1 2 TX- TX+ 18 19 TX- TX+ 3 4 18 17 PNK WIRE 36 38 37 MPX 5 15 ATX+ ATX- PNK WIRE 7 8 TX+ TX- 9 10 TX+ TX- 9 10 TXM+ TXM- BLK WIRE BLU WIRE BRN WIRE CAN (+) CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FRONT DOOR) GRY WIRE INTEGRATION CONTROL, PANEL ASSEMBLY (W/O NAVIGATION) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT POSITION CONTROL ECU, SWITCH ASSEMBLY LEFT MAIN BODY ECU LEFT OUTER MIRROR CONTROL ECU (LEFT LT BLU WIRE LT GRN WIRE MPX MULTI-DISPLAY MULTI-MEDIA MODULE NAVIGATION ASSEMBLY ORG/ WIRE OVERHEAD MODULE (CENTER FRONT OF ROOF) PNK W/ NAVIGATION SYSTEM WIRE PNK WIRE RADIO RECEIVER ASSEMBLY RAIN SENSOR (TOP CENTER OF FRONT WINDSHIELD) RED WIRE RELAY SEAT BELT CONTROL ECU (W/ DYNAMIC RADAR CRUISE CONTROL) (LEFT SIDE OF TRUNK) SLIDING ROOF CONTROL ECU (IF EQUIPPED) STEERING SENSOR (UNDER LEFT SIDE OF DASH) STEREO COMPONENT AMPLIFIER TRANSMISSION CONTROL ECU (LEFT SIDE OF ENGINE COMPT) VIO WIRE W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE WHT/RED WIRE YAW RATE SENSOR (UNDER CENTER CONSOLE)

13 14 CANL CANH 2 19 24 7 TACH SPD PNK WIRE 26 18 MOL MOPS BLK WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BODY ECU BRN WIRE COMPUTER DATA LINES SYSTEM DCTY ECU-IG LH FUSE ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE OIL LEVEL SENSOR (RIGHT SIDE OF OIL PAN) ENGINE OIL PRESSURE SWITCH ASSEMBLY (LOWER FRONT OF ENGINE) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FUEL SENDER/ GAGE ASSEMBLY (FUEL TANK) FUEL SENDER/ GAGE ASSEMBLY (SUB) (FUEL TANK) FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT IN ON OR ACC LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LEVEL WARNING SWITCH (WASHER RESERVOIR) LGCY LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) MAIN BODY ECU MULTI-DISPLAY ORG/ WIRE PCTY PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RADIO DATA LINK RECEIVER CONNECTOR 3 ASSEMBLY (BEHIND LOWER LEFT SIDE OF DASH) RCTY RED WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) RIGHT STEERING PAD SWITCH SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY STEREO COMPONENT AMPLIFIER (RIGHT REAR OF TRUNK) SWG TAC TACH VIO WIRE W/ NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE YEL WIRE YEL/GRN WIRE

A/F FUSE ETCS FUSE ABS 3 FUSE ALT FUSE ALT-S FUSE ANTI-LOCK BRAKES SYSTEM BATTERY BLK WIRE BLU WIRE BRN WIRE COOLING FANS SYSTEM CRUISE ENGINE CONTROLS CONTROL, SYSTEM ENGINE CONTROLS, TRANSMISSIONS SYSTEMS E/G-AM FUSE E/G-B FUSE ELECTRONIC POWER STEERING SYSTEM ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 2, ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) EPS FUSE FAN 1 FUSE FR CTRL-AM FUSE FR CTRL-B FUSE FR FOG FUSE FR FOG RELAY FR TAIL FUSE FR TAIL RELAY FROM E/G-AM FUSE (DIAGRAM 1 OF 5) FROM E/G-B FUSE (DIAGRAM 1 OF 5) FRONT CONTROLLER FUSE GRN WIRE H-LP CLN FUSE H-LP UPR FUSE HORN FUSE HORN RELAY PNK WIRE RAD 1 FUSE RAD 2 FUSE RED WIRE SHIFT INTERLOCK SYSTEM SOUND, NAVIGATION SYSTEMS STARTER FUSE STARTING/ CHARGING SYSTEM STR LOCK FUSE TO FAN 2 FUSE (DIAGRAM 2 OF 5) TO FR CTRL-AM FUSE (DIAGRAM 1 OF 5) TO FR CTRL-B FUSE (DIAGRAM 1 OF 5) TURN, HAZ FUSE VVT FUSE WASH RELAY WASHER FUSE WHT WIRE WIPER/ WASHER SYSTEM

BLK WIRE BLK/RED WIRE BLU WIRE BRN WIRE BUCKLE SWITCH CENTER AIR BAG SENSOR (UNDER REAR OF CENTER CONSOLE) COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DBE- ENGINE HOOD COURTESY SWITCH ENGINE ROOM J/B 2 ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT CONTROLLER GRN WIRE GRN/RED WIRE GRY WIRE GSW HORN (HIGH) (FRONT OF RADIATOR) HORN (LOW) (FRONT OF RADIATOR) HORN FUSE HORN RELAY HOT AT ALL TIMES LEFT FRONT SEAT INNER BELT ASSEMBLY (UNDER DRIVER'S SEAT) MPX MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) ORG/ WIRE RED WIRE SKID CONTROL ECU (BEHIND RIGHT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE