Toyota Sienna I (1997-2003) engine control module (behind right side of dash) Wiring diagrams

A/C A/C AMBIENT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPARTMENT) A/C MAGNETIC CLUTCH, LOCK SENSOR (ON LEFT FRONT OF ENGINE) A/C ROOM TEMPERATURE SENSOR (ON LEFT CENTER OF DASH) A/C SOLAR SENSOR (UPPER LEFT SIDE OF DASH) A/C THERMISTOR (BEHIND LOWER RIGHT SIDE OF DASH) ACMG AIR MIX CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE DOME FUSE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (UNDERSIDE OF STEERING COLUMN) J/C 6 (BEHIND TOP CENTER OF DASH) LT GRN/BLK WIRE MG CLT RELAY MH MC ORG/ WIRE R/B 8 (RIGHT REAR OF ENG COMPT) REAR A/C EVAPORATOR TEMPERATURE SENSOR (ON CENTER OF ROOF) RED WIRE RED/BLU WIRE RED/WHT WIRE TACH THWO VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE

A/C A/C AMBIENT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE COMPARTMENT) A/C MAGNETIC CLUTCH, LOCK SENSOR (ON LEFT FRONT OF ENGINE) A/C ROOM TEMPERATURE SENSOR (ON LEFT CENTER OF DASH) A/C SOLAR SENSOR (UPPER LEFT SIDE OF DASH) A/C THERMISTOR (BEHIND LOWER RIGHT SIDE OF DASH) ACMG AIR MIX CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BRN/RED WIRE BRN/YEL WIRE DOME FUSE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE HOT AT ALL TIMES J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (UNDERSIDE OF STEERING COLUMN) J/C 6 (BEHIND TOP CENTER OF DASH) LT GRN/BLK WIRE MG CLT RELAY MH MC ORG/ WIRE PNK WIRE R/B 8 (RIGHT REAR OF ENG COMPT) REAR A/C EVAPORATOR TEMPERATURE SENSOR (ON CENTER OF ROOF) RED WIRE RED/BLU WIRE RED/WHT WIRE TACH THWO VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLU WIRE

14 6 TC TS 26 46 42 TC D/G TS ABS ACTUATOR, ECU (LEFT REAR OF ENGINE COMPT) BLK WIRE BLK/RED WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE CENTER AIR BAG SENSOR ASSEMBLY (BELOW CENTER OF DASH) CRUISE CONTROL ECU (BEHIND LEFT CENTER OF DASH) DATA LINK CONNECTOR 1 (RIGHT REAR CORNER OF ENGINE COMPT) DATA LINK CONNECTOR 3 (BELOW DASH RIGHT OF STEERING COLUMN) DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) EFI FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) EFI RELAY HOT AT ALL TIMES J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 14 (BEHIND RIGHT SIDE OF DASH) J/C 17 (W/ VSC) (UPPER RIGHT SIDE OF DASH) J/C 18 (W/ VSC) (ON UNDERSIDE OF STEERING COLUMN) J/C 2 (BEHIND INSTRUMENT CLUSTER) J/C 6 (BEHIND TOP CENTER OF DASH) J/C 8 (BEHIND TOP CENTER OF DASH) OBD FUSE PNK/BLK WIRE RED WIRE RED/YEL WIRE SIL TRANSLATE ECU (W/ VSC) (UPPER LEFT END OF DASH) VSC ECU (UPPER LEFT END OF DASH) W/ VSC W/O VSC WHT/BLK WIRE

A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C CONDENSER FAN MOTOR (RIGHT FRONT OF ENGINE COMPT) A/C SINGLE PRESSURE SWITCH (RIGHT FRONT OF ENGINE COMPT) ALT FUSE AUTO A/C BLK WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CDS FUSE DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) HEATER FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 8 (BEHIND LOWER RIGHT SIDE OF DASH) MAGNETIC CLUTCH DIODE (RIGHT REAR OF ENGINE COMPT) MAIN 1 RELAY MANUAL A/C RADIATOR FAN MOTOR (LEFT FRONT OF ENGINE COMPT) RDI FUSE RED WIRE RED/WHT WIRE WATER TEMPERATURE SWITCH 1 (REAR OF ENGINE) WATER TEMPERATURE SWITCH 2 (LEFT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/RED WIRE

A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH) A/C CONDENSER FAN MOTOR (RIGHT FRONT OF ENGINE COMPT) A/C SINGLE PRESSURE SWITCH (RIGHT FRONT OF ENGINE COMPT) ALT FUSE AUTO A/C BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/BLK WIRE CDS FUSE DRIVER SIDE J/B (BEHIND DASH, LEFT OF STEERING COLUMN) HEATER FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B 2 (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENGINE COMPT) FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FUSIBLE LINK BLOCK (LEFT SIDE OF ENGINE COMPT) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 8 (BEHIND TOP CENTER OF DASH) MAGNETIC CLUTCH DIODE (RIGHT REAR OF ENGINE COMPT) MAIN 1 RELAY MAIN 2 RELAY MANUAL A/C PNK PNK WIRE PNK WIRE RADIATOR FAN MOTOR (LEFT FRONT OF ENGINE COMPT) RDI FUSE RED WIRE RED/WHT WIRE SHORT PIN WATER TEMPERATURE SWITCH 1 (REAR OF ENGINE) WATER TEMPERATURE SWITCH 2 (LEFT REAR OF ENGINE) WHT WIRE WHT/BLK WIRE WHT/RED WIRE

4 5 6 7 8 9 10 11 12 13 14 15 16 PI TC ECT MC ABS, TRACTION ECU (TRANSLATE ECU) (BEHIND UPPER LEFT END OF DASH) BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CIG FUSE COMBINATION METER COMBINATION SWITCH CRUISE CRUISE CONTROL ACTUATOR (ON LEFT SIDE OF ENGINE COMPARTMENT) CRUISE CONTROL ECU (BEHIND UPPER LEFT CENTER OF DASH) CRUISE CONTROL INDICATOR CRUISE CONTROL SWITCH D POSITION SWITCH (PARK/NEUTRAL POSITION SWITCH) (ON TRANSAXLE) DATA LINK CONNECTOR 1 (ON RIGHT REAR OF ENGINE COMPT) DATA LINK CONNECTOR 3 (BELOW DASH RIGHT OF STEERING COLUMN) DIODE (PARK/NEUTRAL POSITION SWITCH) (BEHIND UPPER LEFT CENTER OF DASH) ECU-IG FUSE ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON LEFT SIDE OF TRANSAXLE) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IDLO J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 13 (BEHIND LOWER RIGHT SIDE OF DASH) J/C 17 (BEHIND UPPER RIGHT SIDE OF DASH) J/C 18 (ON UNDERSIDE OF STEERING COLUMN) ORG/ WIRE PNK 1 3 2 WIRE PNK WIRE PNK/BLK WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/YEL WIRE RESUME/ ACCEL SET/ COAST SPD IDL OD MO GND STOP FUSE SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) STP (W/ VSC) (W/O VSC) VIO/YEL WIRE W/ VSC W/O VSC WHT WIRE WHT/BLK WIRE WHT/RED WIRE

1 8 BATT MREL 16 22 +B IMLD 28 19 18 23 CODE RXCK TXCT KSW BLK/RED WIRE BLU/BLK WIRE BRN/RED WIRE BRN/WHT WIRE BRN/YEL WIRE EFI FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPT) FORCED ENTRY CIRCUIT HOT AT ALL TIMES J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 2, J/C 3 (BEHIND LEFT SIDE OF INSTRUMENT CLUSTER) J/C 6 (BEHIND TOP CENTER OF DASH) PWR CODE RXCK TXCT GND 2 3 4 5 RED/BLK WIRE RED/WHT WIRE TRANSPONDER KEY AMPLIFIER (BEHIND LEFT SIDE OF DASH) UNLOCK WARNING SWITCH W/ ANTI- THEFT WHT/BLK WIRE YEL/GRN WIRE

0.33 OHMS 10.1 OHMS 3.21 OHMS 9 2 27 26 ACT A/C TACH CF A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH, ABOVE KICK PANEL) A/C FUSE A/C MAGNETIC CLUTCH, LOCK SENSOR (ON LEFT FRONT OF ENG) A/C SWITCH A/C THERMISTOR (BEHIND LOWER RIGHT SIDE OF DASH) ACT F-A/C F-TE LED FAN MGC AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER RIGHT SIDE OF DASH) AIR INLET CONTROL SWITCH (REAR WINDOW DEFOGGER SWITCH) ALT FUSE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLOWER SWITCH BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE R/B 5 (BEHIND LEFT SIDE OF DASH) DUAL ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FRONT HEATER RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) HTR FUSE GRN WIRE GRN/WHT WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START J/B 3 (BEHIND COMBINATION METER) J/C 17 (TOP RIGHT SIDE OF DASH) J/C 7 (BEHIND TOP CENTER OF DASH) J/C 8 (BEHIND TOP CENTER OF DASH) JUNCTION CONNECTOR (BEHIND LEFT SIDE OF COMBINATION METER) LOCK LT GRN/BLK WIRE MODE SWITCH OFF LO ON OFF PASSENGER SIDE R/B 4 (AT RIGHT KICK PANEL) PRS IG IGN GND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SINGLE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

0.33 OHMS 10.1 OHMS 3.21 OHMS 9 2 27 26 ACT A/C TACH CF A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH, ABOVE KICK PANEL) A/C FUSE A/C MAGNETIC CLUTCH, LOCK SENSOR (ON LEFT FRONT OF ENGINE) A/C SWITCH A/C THERMISTOR (BEHIND LOWER RIGHT SIDE OF DASH) ACT F-A/C F-TE LED FAN MGC AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER RIGHT SIDE OF DASH) AIR INLET CONTROL SWITCH (REAR WINDOW DEFOGGER SWITCH) ALT FUSE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLOWER SWITCH BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE R/B 5 (BEHIND LEFT SIDE OF DASH) DUAL ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FRONT HEATER RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) HTR FUSE GRN WIRE GRN/WHT WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START J/B 3 (BEHIND COMBINATION METER) J/C 17 (TOP RIGHT SIDE OF DASH) J/C 7 (BEHIND TOP CENTER OF DASH) J/C 8 (BEHIND TOP CENTER OF DASH) JUNCTION CONNECTOR (LEFT SIDE OF COMBINATION METER) LOCK LT GRN/BLK WIRE MODE SWITCH OFF LO ON OFF PASSENGER SIDE R/B 4 (AT RIGHT KICK PANEL) PNK WIRE PRS IG IGN GND RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SINGLE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 SL THO SLN+ ACIS AFR- AFL- THA BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CRANKSHAFT POSITION SENSOR (FRONT OF ENGINE) CRUISE CONTROL ECU (REAR SIDE OF SURGE TANK) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE IDLE AIR CONTROL VALVE (ON THROTTLE BODY ASSEMBLY) IGF RSO KNKR KNKL IGNITER AND IGNITION COILS INJECTOR 1 INJECTOR 2 INJECTOR 3 INJECTOR 4 INJECTOR 5 INJECTOR 6) J/C 12 (RIGHT SIDE OF DASH) J/C 13 (BEHIND RIGHT SIDE OF DASH) J/C 13 (RIGHT SIDE OF DASH) J/C 14 (BEHIND RIGHT SIDE OF DASH) KNOCK SENSOR 1 (TOP OF ENGINE) KNOCK SENSOR 2 (TOP OF ENGINE) LEFT CAMSHAFT POSITION SENSOR (REAR OF LEFT CYL HEAD) LEFT VVT SOLENOID (LEFT REAR OF ENGINE) LT GRN WIRE MASS AIRFLOW METER (ON LEFT SIDE OF ENGINE COMPT, PART OF AIR INTAKE ASSEMBLY) NCA WIRE NE+ NOISE FILTER (ON CENTER RIGHT SIDE OF FIRE- WALL) O/D DIRECT CLUTCH SPEED SENSOR (TOP FRONT OF TRANSAXLE) ORG/ WIRE PNK WIRE PNK/BLU WIRE POWER STEERING OIL PRESSURE SWITCH (RIGHT FRONT OF ENGINE) PS VG AFR+ AFL+ THO THW TPC NE+ PNK WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT CAMSHAFT POSITION SENSOR (REAR OF RIGHT CYL HEAD) RIGHT VVT SOLENOID (CENTER REAR OF ENGINE) SLN- SLN- SLN+ VC HTR HTL 10 20 WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE