Toyota Sienna II (2003-2005) (in dash harness, at right side of dash) Wiring diagrams

4 3 2 1 VM +B SI GND A/C AMBIENT TEMPERATURE SENSOR (ON RIGHT FRONT OF ENGINE COMPT) A/C EVAPORATOR TEMPERATURE SENSOR (FRONT) (BEHIND RIGHT SIDE OF DASH) A/C MAGNETIC CLUTCH (AT LEFT FRONT OF ENGINE) A/C ROOM TEMPERATURE SENSOR (AT LEFT CENTER OF DASH) AIR MIX CONTROL SERVO MOTOR (DRIVER SIDE) (BEHIND LEFT CENTER OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (FRONT) (BEHIND LEFT CENTER OF DASH) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BRN WIRE ED (AT LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (ON RIGHT FRONT SIDE OF ENGINE) FAN FUSE FAN RELAY R/B 3 (IN ENGINE ROOM J/B) FRONT BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) FRONT BLOWER MOTOR CONTROLLER FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT, ENGINE ROOM J/B) HTR FUSE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES HTR RELAY IG (AT RIGHT KICK PANEL) J/C 7, 8 (BEHIND LEFT END OF DASH) LT GRN WIRE MG CLT RELAY ORG/ WIRE PNK/BLK WIRE PNK/BLU WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/PNK WIRE

3 2 1 +B SI GND BLK WIRE BLU WIRE BRN WIRE COOLING FAN ECU (AT CENTER FRONT OF ENGINE COMPT) DRIVER'S ED (AT LEFT SIDE OF ENGINE COMPT) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (ON RIGHT FRONT SIDE OF ENGINE) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FAN MOTOR (MAIN) M- GRN/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START HTR FUSE SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) M+ FAN MOTOR (SUB) M- R/B 3 (IN ENGINE FAN RELAY ROOM J/B) RED WIRE RED/YEL WIRE RFC WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 3 17 4 7 EOM M- M+ 1 2 3 8 9 15 18 19 20 22 28 26 23 27 29 +B 6 10 12 17 19 24 18 29 +BM ACCEL POSITION SENSOR (UNDER LEFT SIDE OF DASH) BATT MREL IGSW EOM SIL WFSE TC VPA EPA VCPA BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EB (AT FRONT OF ENGINE) EC (AT REAR OF ENGINE) ECU-B FUSE ED (AT LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN/WHT WIRE GRY/RED WIRE HOT AT ALL TIMES J/C 2 (AT LEFT SIDE OF ENGINE COMPT) J/C 3, 4 (BEHIND LEFT END OF DASH) J/C 5, 6 (BEHIND LEFT END OF DASH) LT GRN WIRE LT GRN/RED WIRE NCA WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SPO STP CCS THROTTLE CONTROL MOTOR, THROTTLE POSITION SENSOR VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE

+BM 17 18 29 24 10 19 12 6 SPD 28 18 17 3 2 29 19 1 4 7 PNK CCHG LGND WIRE 6 7 8 9 PNK WIRE 8 1 2 MREL +B ACCEL POSITION SENSOR (UNDER LEFT SIDE OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CANL CANH COMPUTER DATA LINES SYSTEM DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) EB (AT FRONT OF ENGINE) COUNTER GEAR SPEED SENSOR (ON TOP OF TRANSAXLE) EC (AT REAR OF ENGINE) ECU W/ ACTUATOR 10 9 8 23 22 12 25 11 NEO ENG+ TRC+ ENG- TRC- PNK WIRE ECU-B FUSE ED (AT LEFT SIDE OF ENGINE COMPT) EFI 1 FUSE EFI RELAY END OF DASH) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ETCS FUSE GAUGE 1 FUSE GAUGE 2 FUSE GRN/RED WIRE GRN/WHT WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/B 3, 4 (BEHIND LEFT J/C 18 (BEHIND UPPER LEFT SIDE OF DASH) J/C 19 (BEHIND UPPER LEFT SIDE OF DASH) J/C 2 (AT LEFT SIDE OF ENGINE COMPT) J/C 20 (BEHIND UPPER LEFT CENTER OF DASH) J/C 20 (BEHIND UPPER LEFT SIDE OF DASH) J/C 21 (BEHIND UPPER LEFT CENTER OF DASH) J/C 29 (BEHIND RIGHT SIDE OF DASH) J/C 3, 4 (BEHIND LEFT END OF DASH) J/C 5, 6 (BEHIND LEFT END OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE M+ M- ELC LCS NCA WIRE NT+ NT- NC+ NC- PARK/ NEUTRAL POSITION SWITCH (ON TRANSAXLE) PNK WIRE PNK/BLK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE THROTTLE CONTROL MOTOR, THROTTLE POSITION SENSOR TURBINE SPEED SENSOR (AT REAR OF TRANSAXLE) VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

A/C AMBIENT TEMPERATURE SENSOR (ON RIGHT FRONT OF ENGINE COMPT) A/C FUSE A/C MAGNETIC CLUTCH (AT LEFT FRONT OF ENGINE) BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/YEL WIRE BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH, ON BLOWER HOUSING) BLOWER SWITCH BLU WIRE BLU/ORG WIRE BRN WIRE ED (AT LEFT SIDE OF ENGINE COMPT) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (ON RIGHT FRONT SIDE OF ENGINE) FAN FUSE HTR FUSE FAN RELAY FRONT A/C EVAPORATOR TEMPERATURE SENSOR (BEHIND RIGHT SIDE OF DASH) FRONT AIR VENT MODE CONTROL SERVO MOTOR (BEHIND LEFT CENTER OF DASH) FRONT BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) FUSE BOX (BEHIND LOWER RIGHT SIDE OF DASH) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT, ENGINE ROOM J/B) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRY/BLU WIRE HI OFF HOT AT ALL TIMES HTR RELAY J/C 7, 8 (BEHIND LEFT END OF DASH) LO OFF LT GRN WIRE MG CLT RELAY PNK/BLU WIRE R/B 3 (IN ENGINE ROOM J/B) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE WHT WIRE WHT/BLK WIRE YEL WIRE