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

34 11 PNK WIRE ACCD BLK WIRE BODY ECU (AT RIGHT END OF DASH) BRN WIRE CLOCK ASSEMBLY IG+ ECU-IG FUSE ENGINE ROOM 1 R/B (RIGHT REAR OF ENGINE COMPT) FUSE GRN/RED WIRE HOT AT ALL TIMES ILL INTEGRATED CONTROL, PANEL ASSEMBLY LT GRN WIRE MPX/B FUSE ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RELAY RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) W/ NAVIGATION SYSTEM W/O NAVIGATION SYSTEM WHT/BLK WIRE

BLK WIRE BLU WIRE BODY COMPUTER BODY ECU BRN WIRE DCTY DCYL FUSE GRN WIRE HOT AT ALL TIMES LCTY LEFT COWL SIDE J/B (AT LEFT END OF DASH) LEFT FRONT DOOR COURTESY LAMP LEFT FRONT DOOR COURTESY SWITCH LEFT OUTER REAR VIEW MIRROR FOOT LAMP LEFT OUTER SCUFF LAMP LEFT REAR DOOR COURTESY SWITCH LGCY LT GRN WIRE LUGGAGE DOOR LOCK ASSEMBLY LUGGAGE ROOM LAMP LUGGAGE ROOM LAMP DIODE LUGGAGE ROOM LAMP NOISE FILTER ORG/ WIRE PARKING BRAKE SWITCH (M/T) PCTY PCYL PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SWITCH RCTY RCTY LGCY ILE BDCY RED WIRE RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY LAMP RIGHT FRONT DOOR COURTESY SWITCH RIGHT OUTER REAR VIEW MIRROR FOOT LAMP RIGHT OUTER SCUFF LAMP RIGHT REAR DOOR COURTESY SWITCH VIO WIRE W/ MEMORY W/O MEMORY WHT WIRE WHT/BLK WIRE YEL WIRE

1 3 4 6 GRD SIG CPUB BDR 26 8 MSWE ANT ASEL BLK WIRE BLU WIRE BODY COMPUTER DCTY CERTIFICATION ECU COMPUTER DATA LINES SYSTEM DATA DOOR CONTROL RECEIVER DRIVER'S SEAT MEMORY SWITCH ECU-IG FUSE ELECTRICAL KEY ANTENNA ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) GRD GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LEFT FRONT DOOR COURTESY SWITCH LT BLU WIRE LT GRN WIRE MPX-B FUSE NEAR LEFT "B" PILLAR) ORG/ WIRE OUTER MIRROR CONTROL ECU (LEFT) (IN LEFT FRONT DOOR) PARKING BRAKE SWITCH (M/T) PNK 34 7 24 WIRE PNK PNK WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RCO RED WIRE RELAY RIGHT COWL J/B (AT RIGHT END OF DASH) RSSI SET- SILE WHT WIRE WHT/BLK WIRE YEL WIRE

14 5 MOL MOPS 24 25 22 CANL CANH SPD 31 32 NE- NE+ A/C AMPLIFIER MPX+ BLK WIRE BLK/YEL WIRE BLU WIRE BODY COMPUTER BRN WIRE CAIH CAIL CERTIFI- CATION ECU CRANKSHAFT POSITION SENSOR DATA LINK CONNECTOR 3 ECU-IG FUSE ENGINE CONTROL MODULE (ON LEFT FRONT OF ENGINE COMPT) ENGINE OIL LEVEL SENSOR ENGINE OIL PRESSURE SWITCH ENGINE ROOM 2 J/B (LEFT SIDE OF ENGINE COMPT) FRONT CONTROLLER FUEL SENDER GAGE (SUB) FUEL SUCTION PUMP, GAGE ASSEMBLY GATEWAY ECU (AT RIGHT END OF DASH) GRD GRN WIRE GRY WIRE LEFT COWL SIDE J/B (AT LEFT END OF DASH) LT GRN/BLK WIRE MPX MULTI-DISPLAY NCA WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER WINDOW MASTER SWITCH RADIO RECEIVER ASSEMBLY SWG RED WIRE RED/WHT WIRE RELAY ENERGIZED SKID CONTROL ECU SKID CONTROL ECU W/ ACTUATOR SPIRAL CABLE STEERING PAD SWITCH STEREO COMPONENT AMPLIFIER TAC TACH TACH SPD PNK WIRE TIRE PRESSURE WARNING ECU VIO WIRE VIO/YEL WIRE WATER LEVEL WARNING SWITCH WHT WIRE WHT/BLK WIRE WINDSHIELD WIPER SWITCH ASSEMBLY YEL WIRE YEL/GRN WIRE

A/T A/T SHIFT LEVER LAMP (A/T) BLK WIRE BRN WIRE COMBINATION METER ELECTRONICALLY CONTROLLED TRANSMISSION PATTERN SELECT SWITCH ENGINE ROOM 2 R/B (LEFT SIDE OF ENGINE COMPT) ETCS SNOW SWITCH FUSE GAUGE FUSE GRN WIRE GRY WIRE HEADLAMP SUNSHADE SWITCH HOT AT ALL TIMES INSTRUMENT CLUSTER SYSTEM LEFT REGISTER LIGHT LIGHT CONTROL RHEOSTAT LT GRN WIRE M/T MPX+ MPX- PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SUPPLY CIRCUIT REAR SUNSHADE SWITCH RED/WHT WIRE RELAY RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SEAT HEATER SWITCH SPIRAL CABLE STEERING PAD SWITCH TR ET TRACTION CONTROL SWITCH VIO WIRE WHT RED/ WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 3 4 6 GRD SIG CPUB BDR 26 8 MSWE BLK WIRE BLU WIRE BODY COMPUTER DCTY COMPUTER DATA LINES SYSTEM ECU-IG FUSE ENGINE ROOM 1 J/B (RIGHT REAR OF ENGINE COMPT) FRONT PASSENGER'S SEAT MEMORY SWITCH GRN WIRE GRN/RED WIRE GRY WIRE HOT AT ALL TIMES LT GRN WIRE MPX-B FUSE NEAR LEFT "B" PILLAR) ORG/ WIRE PARKING BRAKE SWITCH (M/T) PNK 34 7 24 WIRE PNK PNK WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RIGHT COWL J/B (AT RIGHT END OF DASH) RIGHT FRONT DOOR COURTESY SWITCH RIGHT OUTER MIRROR CONTROL ECU (IN RIGHT FRONT DOOR) SET- WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/ GRN WIRE BLU WIRE BUCKLE SWITCH HOT AT ALL TIMES IG FUSE LEFT COWL SIDE J/B LEFT (AT LEFT END OF DASH) RELAY LEFT FRONT SEAT INNER BELT LEFT FRONT SEAT OUTER BELT NEAR LEFT "B" PILLAR) ORG/ WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RELAY RIGHT RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RIGHT FRONT SEAT INNER BELT RIGHT FRONT SEAT OUTER BELT WHT/BLK WIRE YEL WIRE

ACCD BLK WIRE BLU WIRE BODY ECU COWL SIDE J/B RIGHT (AT RIGHT END OF DASH) CRUISE CONTROL, ENGINE CONTROLS, TRANSMISSIONS, ANTI-LOCK BRAKES SYSTEMS EFI 2 RELAY EFI FUSE EFI MAIN RELAY ENGINE CONTROLS SYSTEM ENGINE ROOM J/B 1, ENGINE ROOM R/B 1 (RIGHT REAR OF ENGINE COMPT) ENGINE ROOM J/B 2, ENGINE ROOM R/B 2 (LEFT SIDE OF ENGINE COMPT) F/PMP FUSE FR DOOR RH FUSE FROM D/C CUT FUSE (DIAGRAM 2 OF 5) FUSE GAUGE FUSE GRN WIRE IG 2 RELAY IGN FUSE INJ FUSE INJ RELAY INSTRUMENT CLUSTER SYSTEM JUNCTION JUNCTION CONNECTOR LH J/B-B FUSE LT BLU WIRE LT GRN WIRE LT LT MAIN FUSE MEMORY, POWER WINDOWS SYSTEMS ORG/ WIRE P/I-B FUSE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) POWER SWITCH POWER WINDOWS SYSTEM RED WIRE RH J/B-B FUSE RR DOOR RH FUSE STARTING/ CHARGING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM TO FR DOOR LH FUSE (DIAGRAM 5 OF 5) TO PWR OUTLET RELAY (DIAGRAM 5 OF 5) RELAY (DIAGRAM 5 OF 5) WHT WIRE

25 24 CANH CANL COMPUTER DATA LINES SYSTEM 32 31 NE+ NR- ENGINE CONTROLS SYSTEM 6 18 MPX+ MPX- 6 20 2.5L 3.5L 6 21 17 18 4 13 3 12 GTX+ GTX- NAVIGATION SYSTEM (NAVIGATION CIRCUIT) BACK-UP LAMP SWITCH BKUP BLK WIRE BODY COMPUTER BODY COMPUTER PKB BRN WIRE CLEARANCE SONAR CLEARANCE WARNING BUZZER CLEARANCE WARNING ECU COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM A/T ENGINE CONTROL GATEWAY ECU GRD GRN WIRE GRY WIRE HOT AT ALL TIMES IG CBZ IG FUSE INPUT CIRCUIT INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM LEFT COWL SIDE J/B (AT LEFT END OF DASH) LEFT FRONT CORNER ULTRASONIC SENSOR LEFT REAR CENTER ULTRASONIC SENSOR LEFT REAR CORNER ULTRASONIC SENSOR LT BLU WIRE LT GRN WIRE M/T M/T A/T MICRO COMPUTER ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH PARKING BRAKE SWITCH PNK PNK WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) RIGHT FRONT CORNER ULTRASONIC SENSOR RIGHT REAR CENTER ULTRASONIC SENSOR RIGHT REAR CORNER ULTRASONIC SENSOR SKID CONTROL ECU SPEEDOMETER VIO WIRE W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT W/O VEHICLE DYNAMICS INTEGRATED MANAGEMENT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

23 19 13 14 PKB SEUC REV SPD 25 24 CANH CANL 32 31 NE+ NR- ENGINE CONTROLS SYSTEM 6 21 17 18 4 13 3 12 GTX+ GTX- NAVIGATION SYSTEM (NAVIGATION CIRCUIT) A/T BACK-UP LAMP SWITCH BLK WIRE BLU WIRE BODY COMPUTER BACK BODY COMPUTER IND BRN WIRE COMPUTER DATA LINES SYSTEM ENGINE CONTROL GATEWAY ECU GRD GRN WIRE GRY WIRE HOT AT ALL TIMES IG BKUP IG FUSE INPUT CIRCUIT INSTRUMENT CLUSTER LEFT COWL SIDE J/B (AT LEFT END OF DASH) LT BLU WIRE LT GRN WIRE M/T MICRO COMPUTER MPX MULTI-DISPLAY ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH PARKING BRAKE SWITCH PNK PNK WIRE PNK WIRE POWER SOURCE CONTROL ECU (BEHIND RIGHT SIDE OF DASH) RED WIRE RELAY RIGHT COWL SIDE J/B (AT RIGHT END OF DASH) SKID CONTROL ECU SPEEDOMETER +S STEREO COMPONENT AMPLIFIER VIO WIRE W/ VEHICLE DYNAMICS INTEGRATED MANAGEMENT W/O VEHICLE DYNAMICS INTEGRATED MANAGEMENT WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE