Lexus IS II facelift (2008-2010) main body ecu Wiring diagrams

+IG AFS OFF IND AUTO BLU WIRE BRN WIRE COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DIMMER SWITCH ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEAD AUTO HEADLAMP DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START INPUT CIRCUIT LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE MAIN BODY ECU MICRO COMPUTER MPX+ MPX- MPX-B FUSE OF DASH) OFF TAIL ORG/ WIRE POWER SUPPLY CIRCUIT RIGHT COWL SIDE J/B RIGHT COWL SIDE J/B (RIGHT END RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT END OF DASH) SSI- SSI+ SENSOR (UNDER LEFT SIDE OF DASH) STEERING TAIL WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY

+IG 4 6 7 5 HEAD AUTO BATB ALTB BLK WIRE BLU WIRE BRN WIRE CLTB CLTE CLTS COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DCTY DIMMER SWITCH DOME +B ECU-IG RH FUSE FOG SWITCH FRONT FOG IND BEAM IND FUSE GAUGE FUSE GRN WIRE GRN/RED WIRE GRY WIRE HEAD HEAD AUTO HEAD CLTB CLTS CLTE HEAD IND (USA) HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES ENGINE ROOM MPX-B R/B 1 FUSE (RIGHT REAR OF ENGINE COMPT) HOT AT HOT AT ALL TIMES ALL TIMES HOT IN ON OR ACC HOT IN ON OR START INPUT CIRCUIT LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MAIN BODY ECU MICRO COMPUTER MPX+ MPX- OFF TAIL ORG/ WIRE POWER SUPPLY CIRCUIT RCTY PCTY LCTY RED WIRE RED/WHT WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) TAIL TI, TE FUSE FR DOOR RH FUSE TO LEFT COWL SIDE J/B (DIAGRAM 2 OF 2) WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL/BLK WIRE

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

+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

+B SFTD SFTU 9 16 10 1 2 7 8 CAN- BLK WIRE BLK/RED WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CAN (+) COMPUTER DATA LINES SYSTEM ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) ENGINE CONTROLS SYSTEM GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ON OR START IGN FUSE LEFT PADDLE LT GRN WIRE M- M+ ETA MAIN BODY ECU ORG/ WIRE PADDLE SHIFT SWITCH PATTERN SELECT SWITCH ASSEMBLY 1 PNK VCPA EPA VPA STP WIRE PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RH-IG FUSE RIGHT COWL SIDE J/B (RIGHT END OF DASH) SHIFT SWITCH SHIFT SWITCH RIGHT PADDLE SNOW SPIRAL CABLE (UNDER STEERING WHEEL) SPORT STEERING PAD SWITCH STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE TRANSMISSION FLOOR SHIFT ASSEMBLY VCTA VTA VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

BLU WIRE BRN WIRE COMPUTER DATA LINES SYSTEM COURTESY CYLINDER FUEL LID FUEL LID W/ MOTOR LOCK ASSEMBLY (LEFT REAR OF VEHICLE) FUEL OPN FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) LEFT COWL SIDE J/B (LEFT END OF DASH) LKUL LPSW LT BLU WIRE LT GRN WIRE LUGGAGE LUGGAGE COMPARTMENT DOOR LOCK LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR OF LUGGAGE COMPT LID) LUGGAGE COMPARTMENT DOOR OPENING CANCEL SWITCH (MAIN) LUGGAGE DOOR OPENING SWITCH ASSEMBLY LUGGAGE ELECTRICAL KEY SWITCH (CENTER REAR OF LUGGAGE COMPT LID) MAIN BODY ECU MPX-B FUSE PNK WIRE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) MAIN BODY ECU SGND MPXB TKUL TR+ LGCY TSW BECU WHT WIRE WHT/BLK WIRE