Lexus IS II facelift (2008-2010) power source control ecu (behind right side of dash) Wiring diagrams

24 12 POWER IG+ SUPPLY CIRCUIT 6 18 MPX+ MPX- ABS IND. BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/ WHT WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE ACTUATOR ASSEMBLY (LEFT REAR OF ENGINE COMPT) BRAKE-LP RELAY BRN WIRE BRN/WHT WIRE BUZZER CIRCUIT INPUT COMBINATION METER ASSEMBLY COMPUTER DATA LINES SYSTEM DASH) ENGINE ROOM R/B 3 (LEFT REAR OF ENGINE COMPT) FLA- FRA GAUGE FUSE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES J/C LEFT COWL SIDE J/B (LEFT END OF DASH) LT GRN WIRE MASTER IND MICRO COMPUTER NCA WIRE ORG/ WIRE PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PMC PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED GRN/ WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RH ECU-IG FUSE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RLA- RRA+ SFLR SFRR SLIP IND SPEEDOMETER SRLR SRRR SSEL STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SW FUSE VCM VCS OFF IND SI BRAKE IND VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 B+ 13 14 25 CANL CANH RL 2 30 31 20 STAR IMO IMI STA ACCD BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTSW SLR+ ECM (ENGINE CONTROL MODULE) (LEFT FRONT OF ENGINE COMPT) EFII EFIO PNK WIRE FUSE GENERATOR ASSEMBLY GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B 2 STR LOCK FUSE (LEFT SIDE OF ENGINE COMPT) ID CODE BOX (BEHIND CENTER OF DASH) IGE SGND GND INDS INDW INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B (LEFT END OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK ALT WIRE PNK SPD WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B (RIGHT IGN FUSE END OF DASH) RIGHT COWL RIGHT COWL SIDE J/B (RIGHT END OF DASH) SECURITY FUSE SHIFT LOCK CONTROL ECU (UNDER CENTER CONSOLE) SKSW SLP STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM STEERING LOCK ACTUATOR (STEERING COLUMN) STOP LIGHT SWITCH (TOP OF BRAKE PEDAL ASSEMBLY) STOP SIDE J/B SW (RIGHT FUSE END OF DASH) STSW SWIL VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

34 11 PNK WIRE ACAN ACCD BLK WIRE BRN WIRE CLOCK ASSEMBLY COMBINATION METER ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) EXTERIOR SUPPLEMENTAL LIGHTS RESTRAINTS SYSTEM SYSTEM FUSE GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES ILL ILL ILL INTEGRATED CONTROL, PANEL ASSEMBLY IG+ LEFT COWL SIDE J/B (LEFT END OF DASH) LT BLU WIRE LT GRN WIRE MPX-B FUSE ORG/ WIRE P-AB PAON PBEW PNK PBLT WIRE PNK W/O NAVIGATION SYSTEM WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RELAY RH ECU-IG FUSE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU VIO WIRE W/ NAVIGATION SYSTEM W/ NAVIGATION SYSTEM PNK WIRE W/O NAVIGATION SYSTEM WHT WIRE WHT/BLK WIRE

BDCY BLK WIRE BLU WIRE BRN WIRE DCTY DCYL ENGINE SWITCH FOOT LAMP FUSE GRN WIRE HOT AT ALL TIMES LCTY LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT FRONT DOOR COURTESY LIGHT ASSEMBLY LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT MAIN BODY ECU LEFT OUTER REAR VIEW MIRROR ASSEMBLY LEFT REAR DOOR COURTESY SWITCH (LEFT "C" PILLAR) LGCY LT GRN WIRE LUGGAGE COMPARTMENT DOOR LOCK ASSEMBLY (CENTER REAR LUGGAGE COMPARTMENT LIGHT DIODE (LEFT SIDE OF TRUNK) LUGGAGE ROOM LAMP NOISE FILTER (LEFT SIDE OF TRUNK) OF LUGGAGE COMPT LID) ORG/ WIRE PARKING BRAKE SWITCH (TOP OF PARKING BRAKE LEVER) PCTY PCYL PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RCTY RCTY LGCY ILE RED WIRE RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LIGHT ASSEMBLY RIGHT FRONT DOOR COURTESY SWITCH (RIGHT "B" PILLAR) RIGHT MAIN BODY ECU RIGHT OUTER REAR VIEW MIRROR ASSEMBLY RIGHT REAR DOOR COURTESY SWITCH (RIGHT "C" PILLAR) ROOM LIGHT ASSEMBLY 2 SWIL VIO WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 3 4 6 GND SIG CPUB BDR ANT ASEL BLK WIRE BLU WIRE CERTIFICATION ECU (RIGHT SIDE OF TRUNK) COMPUTER DATA LINES SYSTEM DATA DCTY DOOR CONTROL RECEIVER (CENTER FRONT OF TRUNK) DOOR CONTROL RECEIVER 2 (RIGHT REAR CORNER OF TRUNK) ECU-IG RH FUSE ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES JUNCTION CONNECTOR LEFT FRONT DOOR COURTESY SWITCH (LEFT "B" PILLAR) LEFT FRONT SEAT MEMORY SWITCH LEFT OUTER MIRROR CONTROL ECU (LEFT FRONT DOOR) LT BLU WIRE LT GRN WIRE MPX-B FUSE MSWE NCA WIRE ORG/ WIRE PNK 34 7 24 WIRE PNK PNK WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RCO RED WIRE RH-IG 1 RELAY RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT MAIN BODY ECU RSSI SET- SILE WHT WIRE WHT/BLK WIRE YEL WIRE

+IG A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) BLK WIRE BLU WIRE BRN WIRE BRN/RED WIRE COMBINATION METER ASSEMBLY DOME+B ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) GAUGE FUSE GND TR TL GRN RED/ WIRE GRN WIRE GRN/ LT WIRE GRN/RED WIRE GRY WIRE HEAD AUTO HEADLIGHT DIMMER SWITCH ASSEMBLY HOT AT ALL TIMES HOT W/ IG 2 RELAY ENERGIZED HOT W/ LH-IG 1 RELAY ENERGIZED INPUT CIRCUIT JUNCTION JUNCTION CONNECTOR LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT MAIN BODY ECU LH TURN IND LH-IG FUSE LIGHT CONTROL SWITCH LT BLU WIRE LT GRN WIRE MICRO COMPUTER MPX MPX+ MPX- MPX-B FUSE NETWORK GATEWAY ECU (RIGHT END OF DASH) OFF TAIL ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT RED GRN/ WIRE RED WIRE RH TURN IND RIGHT COWL SIDE J/B (RIGHT END OF DASH) TAIL IND (EXCEPT USA) TURN SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY 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

BLK WIRE BLU WIRE COMPUTER DATA LINES SYSTEM ECU-IG LH FUSE ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE FRONT CONTROLLER COMPT) ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) FRONT OF RADIATOR) GRN WIRE GRY WIRE HORN HORN (HIGH) HORN (LOW) HORN FUSE HORN RELAY HORN SWITCH HOT AT ALL TIMES HOT IN ON OR START LEFT COWL SIDE J/B (LEFT END OF DASH) LT GRN WIRE MPX-B FUSE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RIGHT COWL SIDE J/B RIGHT END OF DASH) SPIRAL CABLE (UNDER STEERING WHEEL) STEERING PAD SWITCH ASSEMBLY WHT WIRE WINDSHIELD WIPER SWITCH YEL 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

"C" PILLAR) A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C FUSE BLK WIRE BLK/GRN WIRE BLK/WHT WIRE BRN WIRE DEFOG FUSE DEFOG RELAY ECU-IG LH FUSE ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES KICK PANEL) LEFT COWL SIDE J/B (LEFT END OF DASH) LEFT OUTER REAR VIEW MIRROR ASSEMBLY LH-IG 1 RELAY LH-IG 2 RELAY LH-IG FUSE MHTR MIR HTR FUSE MIRROR HEATER MIRROR HEATER RELAY (LEFT SIDE OF TRUNK) NOISE FILTER NOISE FILTER (REAR WINDOW DEFOGGER) PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RDFG REAR WINDOW DEFOGGER RIGHT COWL SIDE J/B (RIGHT END OF DASH) RIGHT OUTER REAR VIEW MIRROR ASSEMBLY WHT/BLK WIRE YEL WIRE