Toyota Sienna II (2003-2005) body ecu Wiring diagrams

10 9 CANH CANL 11 8 D/G TC WFSE TS CANL CANH 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 BAT WFSE CANL TC TS 19 20 18 WFSE TC SIL 2 3 CANL CANH A/C CONTROL ASSEMBLY AIR BAG SENSOR ASSEMBLY BLK WIRE BLK/ORG WIRE BLU WIRE BODY ECU BRN WIRE COMBINATION METER DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH) DOOR ECU DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) OBD FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) GRY/RED WIRE HOT AT ALL TIMES J/C 13, 14 (BEHIND LEFT END OF DASH) J/C 17 (BEHIND UPPER LEFT SIDE OF DASH) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) J/C 29 (BEHIND RIGHT SIDE OF DASH) J/C 31, 32 (BEHIND RIGHT SIDE OF DASH) J/C 35, 36 (BEHIND RIGHT SIDE OF DASH) J/C 37 (FORWARD OF LEFT REAR WHEELWELL) J/C 5, 6 (BEHIND LEFT END OF DASH) J/C 7, 8 (BEHIND LEFT END OF DASH) LEFT POWER SLIDE DOOR ECU (IN LEFT SLIDING DOOR) MPX PNK/BLK WIRE RED WIRE RED/BLU WIRE RIGHT POWER SLIDE DOOR ECU (IN RIGHT SLIDING DOOR) SIL SIL CANH SG CG SKID CONTROL ECU W/ ACTUATOR (AT LEFT REAR OF ENGINE COMPT) STEERING SENSOR (INSIDE STEERING COLUMN) TRANSPONDER KEY COMPUTER (BEHIND UPPER CENTER OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YAW RATE SENSOR (UNDER RIGHT FRONT SEAT) YEL/GRN WIRE

1 2 3 5 GND RDA PRG +B 15 12 11 16 14 RCYL RDA PRG RCTY DCTY 26 28 25 23 21 BCYL LCYL BCTY PCTY BACK DOOR LOCK ASSEMBLY (IN LOWER LEFT CENTER OF BACK DOOR) BLK WIRE BLK/RED WIRE BLU WIRE BODY ECU BRN WIRE BUZZER COMBINATION METER COMPUTER DATA LINES SYSTEM DCYL DOME FUSE DOOR INDICATOR DOOR LOCK CONTROL RECEIVER (BEHIND UPPER CENTER OF DASH) DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) EA (AT RIGHT OF ENGINE COMPT) ECU-ACC FUSE ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IE (AT LEFT KICK PANEL) J/C 1 (AT LEFT SIDE OF ENGINE COMPT) J/C 13, 14 (BEHIND LEFT END OF DASH) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT END OF DASH) J/C 3, 4 (BEHIND LEFT END OF DASH) J/C 41 (IN BACK DOOR) KEYLESS BUZZER (BEHIND LEFT FRONT CORNER LAMP) LCTY BZR LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LEFT SLIDE DOOR COURTESY SWITCH PCYL PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR COURTESY SWITCH (AT RIGHT "B" PILLAR) RIGHT SLIDE DOOR COURTESY SWITCH VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE

A/C CONTROL ASSEMBLY ACCESSORY METER SATELLITE SWITCH AIR BAG SENSOR ASSEMBLY AUTOMATIC A/C AUTOMATIC A/C MANUAL A/C RIGHT VANITY LIGHT BLK WIRE BODY ECU CLEARANCE SONAR ECU COMBINATION SWITCH CONTROL MIRROR CONTROL SWITCH DETECTION SWITCH DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) IE (AT LEFT KICK PANEL) INNER MIRROR J/C 18 (BEHIND UPPER KEY INTERLOCK SOLENOID, UNLOCK WARNING LEFT FRONT DOOR LOCK LEFT FRONT DOOR LOCK MOTOR, DOOR UNLOCK LEFT MIRROR HEATER, REMOTE CONTROL SWITCH, POWER WINDOW MASTER SWITCH LEFT VANITY PERSONAL LIGHT LIGHT MANUAL A/C POWER QUARTER WINDOW SWITCH PWR RELAY REAR A/C CONTROL SWITCH RELAY RELAY SHIFT LOCK CONTROL ECU, TRANSMISSION SWITCH TAIL RELAY TIRE PRESSURE WARNING STANDARDIZATION TRAC OFF SWITCH TRANSPONDER KEY COMPUTER TURN SIGNAL FLASHER W/ MOON- ROOF W/O MOON- ROOF WHT WIRE WHT/BLK WIRE

AUTO OFF TAIL AUTOMATIC LIGHT CONTROL SENSOR (ON TOP LEFT SIDE OF DASH) BLK/RED WIRE BODY ECU BRN WIRE CLTB CLTS CLTE CLTE CLTS COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DCTY DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) DRL ECU-ACC FUSE ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT FLASH DIMMER SWITCH FLASH LOW GAUGE 2 FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE HEAD HEAD LIGHT CONTROL SWITCH HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IE (AT LEFT KICK PANEL) IF (BEHIND LOWER CENTER OF DASH) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LOW HIGH LT GRN WIRE OFF ON FOGLIGHT SWITCH ORG/ WIRE PARKING BRAKE SWITCH (ON PARKING BRAKE LEVER) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SIDE OF ENGINE COMPT) TAIL VIO WIRE WHT/BLK WIRE WHT/BLU WIRE

AUTO OFF TAIL AUTOMATIC LIGHT CONTROL SENSOR (ON TOP LEFT SIDE OF DASH) BLK/RED WIRE BODY ECU BRN WIRE CLTB CLTS CLTE CLTE CLTS COMBINATION METER COMBINATION SWITCH COMPUTER DATA LINES SYSTEM DCTY DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-ACC FUSE ECU-IG FUSE FLASH DIMMER SWITCH FLASH LOW FOGLIGHT SWITCH GAUGE 2 FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE HEAD HIGH BEAM INDICATOR HOT IN ACC OR ON HOT IN ON OR START IE (AT LEFT KICK PANEL) IF (BEHIND LOWER CENTER OF DASH) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH (AT LEFT "B" PILLAR) LIGHT CONTROL SWITCH LOW HIGH LT GRN WIRE OFF ORG/ WIRE PARKING BRAKE SWITCH (ON PARKING BRAKE LEVER) RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE TAIL VIO WIRE WHT/BLK WIRE WHT/BLU WIRE

17 18 29 SPD BLK WIRE BLK/ORG WIRE BODY ECU CLEARANCE SONAR ECU (BEHIND CENTER OF DASH) SPD COMPUTER DATA LINES SYSTEM DCTY DOOR 2 FUSE DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES J/C 19 (BEHIND TOP CENTER OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) J/C 24 (BEHIND UPPER CENTER OF DASH) J/C 5, 6 (BEHIND LEFT END OF DASH) LCTY LEFT SLIDE DOOR COURTESY SWITCH MOPS NAVIGATION ECU (UNDER RIGHT FRONT SEAT) SPD OIL PRESSURE SWITCH (ON LEFT FRONT OF ENGINE BLOCK) PARKING BRAKE SWITCH (ON PARKING BRAKE LEVER) PCTY RADIO, PLAYER W/ DISPLAY RCTY RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH (AT RIGHT "B" PILLAR) RIGHT SLIDE DOOR COURTESY SWITCH TACH VIO WIRE VIO/WHT WIRE YEL/GRN WIRE

6 SPEAKER 10 SPEAKER A/C CONTROL ASSEMBLY ILL+ A/T SHIFT LEVER ILLUMINATION ACCESSORY METER AUTOMATIC A/C BLK WIRE BLK/RED WIRE BLU WIRE BODY ECU BRN WIRE COMB- NATION SWITCH COMBINATION METER COMBINATION SWITCH DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-B FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FUSE GRN (OR GRN/WHT) WIRE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE HAZARD SWITCH REAR WINDOW DEFOGGER SWITCH HEADLIGHT BEAM LEVEL CONTROL SWITCH SATELLITE SWITCH HOT AT ALL TIMES HOT IN ON OR START IE (AT LEFT KICK PANEL) IF (BEHIND LOWER CENTER OF DASH) IG (AT LEFT KICK PANEL) ILLUMINATION INTERIOR LIGHT SWITCH J/C 16 (BEHIND LEFT END OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 20 (BEHIND UPPER LEFT END OF DASH) J/C 23 (BEHIND UPPER CENTER OF DASH) J/C 35, 36 (BEHIND RIGHT SIDE OF DASH) J/C 13, 14 (BEHIND LEFT END OF DASH) LEFT POWER SLIDE DOOR CONTROL SWITCH RIGHT POWER SLIDE DOOR CONTROL SWITCH MAIN SWITCH MANUAL A/C OFF TAIL HEAD PANEL FUSE POWER BACK DOOR MAIN SWITCH POWER QUARTER WINDOW SWITCH POWER SLIDE DOOR MAIN SWITCH RADIO, PLAYER RADIO, PLAYER (W/O NAVIGATION) REAR A/C CONTROL SWITCH RED WIRE SEAT HEATER SWITCH (DRIVER'S SEAT) SEAT HEATER SWITCH (FRONT PASSENGER'S SEAT) TAIL TAIL RELAY TRAC OFF SWITCH (W/ VSC) W/ NAVIGATION W/ REAR SEAT AUDIO W/O NAVIGATION W/O REAR SEAT AUDIO WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

ABS 1 FUSE ABS 2 FUSE ST FUSE AIR CONDITIONING SYSTEM AIR CONDITIONING, DEFOGGER SYSTEMS AIR CONDITIONING, DEFOGGER, COOLING SEATS SYSTEM AIR CONDITIONING, MIRRORS, SHIFT INTERLOCK SYSTEMS ALT FUSE ANTI-LOCK BRAKES SYSTEM AUTOMATIC A/C BATTERY BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BODY ECU BODY ECU RAD 2 ECU FUSE FUSE CIG FUSE CIGARETTE LIGHTER COOLING TRUNK, TAILGATE, FANS, FUEL DOORS AIR SYSTEM CONDITIONING SYSTEMS CRUISE CONTROL ANTI-LOCK BRAKES SYSTEM SYSTEM DEF FUSE DEFOGGER SYSTEM ECU-IG FUSE EXTERIOR LIGHTS SYSTEMS FANS SYSTEMS FROM IGNITION SWITCH (DIAGRAM 2 OF 3) FRONT POWER OUTLET REAR POWER OUTLET FUSE GRN WIRE GRN/ORG WIRE GRY WIRE HTR FUSE HTR FUSE S-HTR FUSE WSH FUSE IE (AT LEFT KICK PANEL) IE (AT LEFT KICK PANEL) IG (AT RIGHT KICK PANEL) IE (AT LEFT KICK PANEL) IG BH (AT RIGHT (AT LEFT KICK PANEL) "B" PILLAR) IGN L-PSD FUSE R-PSD FUSE PBD FUSE FAN FUSE MAIN FUSIBLE LINK MANUAL A/C NAVIGATION, SOUND SYSTEMS PNK WIRE POWER WINDOWS SYSTEM PWR OUTLET FUSE PWR RELAY R/B 3 RSE FUSE (IN ENGINE ROOM J/B) RED WIRE RED/BLU WIRE RED/YEL WIRE RELAY RR A/C FUSE RR WIP FUSE STARTING/ CHARGING SYSTEM STARTING/ CHARGING SYSTEM ANTI-LOCK BRAKES SYSTEM TAIL PANEL FUSE FUSE TAIL RELAY TO ACC RELAY (DIAGRAM 1 OF 3) TO DRIVER SIDE J/B (DIAGRAM 2 OF 3) TO ENGINE ROOM J/B (DIAGRAM 3 OF 3) TO IGNITION SWITCH (DIAGRAM 2 OF 3) TO MAIN SWITCH (DIAGRAM 2 OF 3) TRUNK, TAILGATE, FUEL DOORS SYSTEM VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WIP FUSE WIPER/WASHER SYSTEM

BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BODY ECU COURTESY SWITCH (AT RIGHT "B" PILLAR) DCTY DD RLD IG RLU PU DOWN DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-ACC FUSE ECU-IG FUSE ENGINE ROOM J/B ECU-B FUSE (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IE (AT LEFT KICK PANEL) J/C 11, 12 (BEHIND LEFT END OF DASH) J/C 13, 14 (BEHIND LEFT END OF DASH) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 25, 26 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 33, 34 (BEHIND RIGHT SIDE OF DASH) J/C 35, 36 (BEHIND RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY LEFT FRONT POWER WINDOW MOTOR (AT CENTER OF LEFT FRONT DOOR) LEFT REAR POWER WINDOW CONTROL SWITCH LEFT REAR POWER WINDOW MOTOR (AT CENTER OF LEFT SLIDING DOOR) LT GRN/BLK WIRE LT GRN/RED WIRE P/W FUSE PCTY PD RRD PLS PNK WIRE POWER RELAY POWER WINDOW MASTER SWITCH PWR FUSE PWS RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT POWER WINDOW MOTOR (AT CENTER OF LEFT FRONT DOOR) RIGHT REAR POWER WINDOW CONTROL SWITCH RIGHT REAR POWER WINDOW MOTOR (AT CENTER OF RIGHT SLIDING DOOR) RRU SGND VC DU SSRB SWITCH (AT LEFT "B" PILLAR) WHT WIRE WHT/BLK WIRE YEL WIRE

BLK WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BODY ECU COURTESY SWITCH (AT RIGHT "B" PILLAR) DCTY DD RRU DOWN DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-ACC FUSE ECU-IG FUSE ENGINE ROOM J/B ECU-B FUSE (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START IE (AT LEFT IE (AT LEFT KICK PANEL) J/C 11, 12 (BEHIND LEFT END OF DASH) J/C 13, 14 (BEHIND LEFT END OF DASH) J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 25, 26 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 33, 34 (BEHIND RIGHT SIDE OF DASH) J/C 35, 36 (BEHIND RIGHT SIDE OF DASH) KICK PANEL) LEFT FRONT DOOR COURTESY LEFT FRONT POWER WINDOW MOTOR (AT CENTER OF LEFT FRONT DOOR) LEFT REAR POWER WINDOW CONTROL SWITCH LEFT REAR POWER WINDOW MOTOR (AT CENTER OF LEFT SLIDING DOOR) PCTY PD RRD PNK RLU RLD WIRE POWER RELAY POWER WINDOW MASTER SWITCH PWR FUSE PWS RED WIRE RED/BLK WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT FRONT POWER WINDOW MOTOR (AT CENTER OF RIGHT FRONT DOOR) RIGHT REAR POWER WINDOW CONTROL SWITCH RIGHT REAR POWER WINDOW MOTOR (AT CENTER OF RIGHT SLIDING DOOR) SWITCH (AT LEFT "B" PILLAR) WHT WIRE WHT/BLK WIRE YEL WIRE