Toyota Sienna II (2003-2005) j/c 20 (behind upper left side of dash) Wiring diagrams

+B AUI- AUO- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 AUI+ AUO+ PNK WIRE 1 2 3 4 5 6 7 8 9 10 VR BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) FUSE GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR HOT IN ON OR START 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) J/C 24 (BEHIND UPPER CENTER OF DASH) J/C 7, 8 (BEHIND LEFT END OF DASH) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE NAVIGATION ECU (UNDER RIGHT FRONT SEAT) NCA WIRE ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK WIRE R/B 3 (IN ENGINE ROOM J/B) RED WIRE RED/BLK WIRE REV RSE FUSE SPEEDOMETER SYNC TX+ VG VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

+B AUI- AUO- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 AUI+ AUO+ PNK WIRE 1 2 3 4 5 6 7 8 9 10 VR BLK WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) FUSE GAUGE 1 FUSE GAUGE 2 FUSE GRN WIRE GRN/WHT WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR HOT IN ON OR START 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) J/C 24 (BEHIND UPPER CENTER OF DASH) J/C 7, 8 (BEHIND LEFT END OF DASH) LEFT FRONT DOOR SPEAKER LEFT FRONT TWEETER LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE NAVIGATION ECU (UNDER RIGHT FRONT SEAT) NCA WIRE ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK WIRE R/B 3 (IN ENGINE ROOM J/B) RED WIRE RED/BLK WIRE REV RSE FUSE SPEEDOMETER SYNC TX+ VG VIO WIRE VIO/WHT WIRE W/O VSC WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

BLK WIRE BLU WIRE EA (FRONT SIDE OF THE RIGHT FENDER APRON) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMP) GRN WIRE GRN/BLK WIRE H-LP (LL) FUSE HEADLIGHT BEAM LEVEL CONTROL ACTUATOR LH (BEHIND LEFT HEADLIGHT) HEADLIGHT BEAM LEVEL CONTROL ACTUATOR RH (BEHIND RIGHT HEADLIGHT) HEADLIGHT BEAM LEVEL CONTROL SWITCH HOT W/ HEADLIGHT RELAY ENERGIZED IG RIGHT KICK PANEL) J/C 1 (LEFT SIDE OF ENGINE COMPARTMENT) J/C 2 (LEFT SIDE OF ENGINE COMPARTMENT) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) J/C 27 (BEHIND RIGHT SIDE OF DASH) J/C 5,6 (BEHIND LEFT END OF DASH) RED WIRE 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

ABS IND. ACCESSORY METER ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE BRN/BLK WIRE BUZZER CHARGE IND COMBINATION METER COMPUTER DATA LINES SYSTEM CRUISE CHECK IND CRUISE IND DOME FUSE DOOR IND DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) EA (AT RIGHT SIDE OF ENGINE COMPT) ECU-B FUSE ECU-IG FUSE ENGINE CONTROLS SYSTEM ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FUEL FUEL IND FUEL SENDER (IN FUEL TANK) GAUGE 2 FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/BLU WIRE GRY/RED WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR START HOT W/ TAIL RELAY ENERGIZED IF (BEHIND LOWER CENTER OF DASH) ILLUMINATION J/C 1 (AT LEFT SIDE OF ENGINE COMPT) J/C 16 (BEHIND LEFT END OF DASH) J/C 19 (BEHIND TOP CENTER OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) J/C 9, 10 (BEHIND LEFT END OF DASH) LEFT TURN IND MAINT REQD IND MALFUNCTION IND MOON ROOF CONTROL ECU (AT CENTER FRONT OF ROOF) NORM IND ODO/TRIP OIL PRESSURE IND PANEL FUSE PNK/GRN WIRE READY IND RED WIRE RED/BLU WIRE RED/WHT WIRE RELAY ENERGIZED RIGHT TURN IND SEAT BELT IND SLIP IND SPEEDOMETER SRS IND TACHOMETER TEMPERATURE TIRE PRESSURE IND TRAC OFF IND VIO WIRE VIO/WHT WIRE VSC IND WASHER LEVEL IND WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED 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

127 117 (AUTOMATIC A/C) (MANUAL A/C) 2 1 PNK WIRE 6 SENSOR 7 9 1 10 5 4 3 8 1 16 5 3 2 14 13 15 BK RL SK BZ OP FL FR RR A/C CONTROL ASSEMBLY AUTOMATIC A/C BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BUZZER CLEARANCE SONAR BUZZER (6 SENSOR) (BEHIND LEFT CENTER OF DASH) CLEARANCE SONAR ECU (BEHIND CENTER OF DASH) COMBINATION METER DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GAUGE 1 FUSE GAUGE 2 FUSE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IF (BEHIND LOWER CENTER OF DASH) J/C 11, 12 (BEHIND LEFT END 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 5, 6 (BEHIND LEFT END OF DASH) J/C 7, 8 (BEHIND LEFT END OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MANUAL A/C MANUAL A/C AUTOMATIC A/C ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSAXLE) PL BBZ PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RELAY ENERGIZED RL CBZ SKID CONTROL ECU W/ ACTUATOR (AT LEFT REAR OF ENGINE COMPT) SPEEDOMETER ULTRASONIC SENSOR (LEFT FRONT) (6 SENSOR) (BEHIND LEFT END OF FRONT BUMPER) ULTRASONIC SENSOR (LEFT REAR) (BEHIND LEFT ULTRASONIC SENSOR (RIGHT FRONT) (6 SENSOR) (BEHIND RIGHT END OF FRONT BUMPER) ULTRASONIC SENSOR (RIGHT REAR CENTER) (BEHIND RIGHT CENTER OF REAR BUMPER) VIO WIRE VIO/RED WIRE VIO/WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 BD+ 2 25 21 PBDS BCTY 21 2 KSW HAZ BACK DOOR LOCK ASSEMBLY (AT LOWER LEFT CENTER OF BACK DOOR) BACK DOOR OPENER SWITCH (AT RIGHT REAR CORNER OF VEHICLE) BD- CTYO BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BM (AT LEFT REAR QUARTERPANEL) BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE BRN/YEL WIRE BUZZER BZR CL- CL+ GND PNK WIRE COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) DSG DSI DSV ECU-B FUSE ECU-IG FUSE ENGINE COMPT, INSIDE ENGINE ROOM J/B) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FUSIBLE LINK BLOCK (ON LEFT SIDE OF GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRY WIRE HATCH DOOR HOT AT ALL TIMES HOT IN ON OR START 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 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) J/C 3, 4 (BEHIND LEFT END OF DASH) J/C 37 (FORWARD OF LEFT REAR WHEELWELL) J/C 40 (IN BACK DOOR) J/C 41 (IN BACK DOOR) KEYLESS BUZZER (BEHIND LEFT FRONT CORNER LAMP) LEFT POWER BACK DOOR TOUCH SENSOR (AT LEFT SIDE OF BACK DOOR) LT GRN WIRE MSE MSW HAF FUL IG ECUB DC- DC+ ORG/ WIRE OSL OSE OSR PBD FUSE PNK WIRE POS POWER BACK DOOR DRIVE UNIT POWER BACK DOOR ECU (BEHIND LEFT REAR QUARTERPANEL) POWER BACK DOOR MAIN SWITCH POWER BACK DOOR WARNING BUZZER RED WIRE RED/BLU WIRE RIGHT POWER BACK DOOR TOUCH SENSOR (AT RIGHT SIDE OF BACK DOOR) SATELLITE SWITCH TURN SIGNAL FLASHER (BEHIND LEFT SIDE OF DASH) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/RED WIRE