Lexus IS II (2005-2008) power source control ecu (behind right side of dash) Wiring diagrams

2 4 5 6 EC BATT 3 9 19 26 27 30 31 32 33 34 35 TC ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG FUSE IGN FUSE LEFT PADDLE SHIFT SWITCH LT GRN WIRE MODE ON/OFF MREL IGSW CCHG SPD CANL CANH LGND ORG/ WIRE PADDLE SHIFT SWITCH (A/T) PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RIGHT DISTANCE CONTROL STEERING PAD SWITCH SFTD SFTU CCS SHIFT SWITCH LEFT PADDLE SPIRAL CABLE STEERING PAD SWITCH STOP LAMP SWITCH STOP SW FUSE VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/GRN WIRE

2 4 5 6 EC BATT 3 9 19 26 27 30 31 32 33 34 35 TC 5 6 PNK WIRE ACCELERATOR POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CRUISE CONTROL SWITCH EFI FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GAUGE FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG FUSE IGN FUSE LEFT PADDLE SHIFT SWITCH LT GRN WIRE MREL IGSW SPD CANL CANH ORG/ WIRE PADDLE SHIFT SWITCH (A/T) PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SFTD SFTU CCS SHIFT SWITCH LEFT PADDLE SPIRAL CABLE STEERING PAD SWITCH STOP LAMP SWITCH STOP SW FUSE TRANSMISSION CONTROL SWITCH (A/T) VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/GRN 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

2 4 5 6 EC BATT 3 9 16 19 26 27 30 32 33 34 35 TC 30 24 25 SPD CANL CANH 4 13 12 STP MREL STA 8 9 PNK WIRE ACCELERATOR POSITION SENSOR (UNDER 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 COMPT) ENGINE ROOM 2 (LEFT SIDE OF ENGINE COMPT) ETCS FUSE EFI 2 FUSE GAUGE FUSE IGN FUSE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IG FUSE J/C LEFT PADDLE SHIFT SWITCH LT GRN WIRE ORG/ WIRE PADDLE SHIFT SWITCH PNK WIRE PNK/BLU WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY RELAY ENERGIZED RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SFTU SHIFT SWITCH LEFT PADDLE SPIRAL CABLE STARTING/CHARGING SYSTEM STEERING PAD SWITCH STOP LAMP SWITCH STOP SW FUSE TRANSMISSION CONTROL SWITCH VIO WIRE VPA EPA VCPA WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YACH SFTD YEL WIRE YEL/GRN WIRE

16 5 7 3 10 2 LOUT ROUT A/C AMPLIFIER (BEHIND CENTER OF DASH) BLK WIRE BRN WIRE CTB FRONT S/HTR FUSE GRD GRN WIRE GRY WIRE IG FUSE IG+ GRD LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK PNK WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY ENERGIZED RIGHT COWL J/B (AT RIGHT END OF DASH) RIGHT SEAT HEATER SEAT BACK) SEAT CLIMATE CONTROL BLOWER (RIGHT FRONT SEAT BACK) (IN RIGHT FRONT SEAT BACK) SEAT CUSHION) SEAT HEATER CONTROL SG-4 SIGN SWR THERMISTOR THR+ VIO WIRE VSVG WHT WIRE WHT/BLK WIRE YEL WIRE

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

1 2 3 4 5 6 7 8 B+ 1 2 PNK WIRE 12 24 25 STA CANL CANH 16 7 6 TACH IMO IMI 22 32 PNK ALT RL WIRE ACCD BLK WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM CTSW IGE EFII EFIO PNK WIRE ENGINE CONTROL MODULE ENGINE ROOM 2 (LEFT SIDE OF ENGINE COMPT) FUSE GENERATOR GRD (RIGHT KICK PANEL) GRN WIRE GRY WIRE HOT AT ALL TIMES ID CODE BOX (BEHIND CENTER OF DASH) IGE SGRD GRD INDS INDW INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B (AT LEFT END OF DASH) LIN LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK SPD WIRE PNK WIRE POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT COWL SIDE J/B IGN FUSE (AT RIGHT END OF DASH) RIGHT COWL SIDE J/B SECURITY FUSE SHIFT LOCK CONTROL ECU (IN CENTER CONSOLE) SKSW SLP STAR STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM COMPUTER DATA LINES SYSTEM STEERING LOCK ECU (TOP RIGHT SIDE OF STEERING COLUMN) STOP LAMP SWITCH STOP SW FUSE (AT RIGHT END OF DASH) STR LOCK FUSE STSW SWIL VIO WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 IG 34 5 7 24 PNK WIRE BLK WIRE BLU/WHT WIRE BRN WIRE COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE CONTROL MODULE GRY WIRE HOT AT ALL TIMES IG FUSE LEFT LEFT COWL SIDE J/B (AT LEFT END OF DASH) LT GRN WIRE P POSITION DETECTION SWITCH PARK/ NEUTRAL POSITION SWITCH PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/BLK WIRE RELAY RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SHIFT LOCK SOLENOID STOP LAMP SWITCH STOP SW FUSE WHT WIRE WHT/BLK WIRE YEL WIRE

11 19 31 ACCR STSW KSW BATTERY BATTERY GROUND BLK WIRE BLU WIRE BLU/RED WIRE CLUTCH ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) ENGINE ROOM 1 R/B (ON RIGHT REAR OF ENGINE COMPARTMENT) ENGINE ROOM 2 J/B (LEFT SIDE OF ENGINE COMPT) JUNCTION CONNECTOR LT BLU WIRE LT GRN WIRE NCA WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) POWER DISTRIBUTION SYSTEM POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RED/WHT WIRE RELAY SKSW STSW CTSW ST CUT RELAY STAR STARTER STARTER FUSE STARTER RELAY SWITCH (NEAR TOP OF CLUTCH PEDAL) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL/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