Toyota Sienna I (1997-2003) front heater relay Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 GND A/C CONTROL ASSEMBLY ACON PSW AIF AIR MC MH MHC MHH IG+ AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER RIGHT SIDE OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) ALT FUSE AUTO BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE DEFOGGER SYSTEM DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) FACE FRONT BLOWER MOTOR CONTROLLER (BEHIND RIGHT SIDE OF DASH) FRONT BLOWER MOTOR SWITCH FRONT HEATER RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GND SI +B VM 2 3 4 GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HR BLW RRHI RRME RRLO RBAT RRAT RRON B/L FOOT FDEF DEF VMH BLWH HRH HTR FUSE INSTRUMENT CLUSTER SYSTEM J/B 3 (BEHIND COMBINATION METER) J/C 17 (UPPER RIGHT SIDE OF DASH) J/C 8 (BEHIND TOP CENTER OF DASH) JUNCTION CONNECTOR (LEFT SIDE OF CONBINATION METER) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MFRS MRS ORG/ WIRE PASSENGER SIDE R/B 4 (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE REAR A/C CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE TACO SPD LOCK TW HRC BLWC VMC TAM TR TE TS TPD TPI TR TINH TPH TSET TPI VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 GND A/C CONTROL ASSEMBLY ACON PSW AIF AIR MC MH MHC MHH IG+ AIR INLET CONTROL SERVO MOTOR (BEHIND UPPER RIGHT SIDE OF DASH) AIR VENT MODE CONTROL SERVO MOTOR (BEHIND CENTER OF DASH) ALT FUSE AUTO BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLOWER MOTOR (BEHIND RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/BLK WIRE BRN/RED WIRE BRN/YEL WIRE DEFOGGER SYSTEM DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) FACE FRONT BLOWER MOTOR CONTROLLER (BEHIND RIGHT SIDE OF DASH) FRONT BLOWER MOTOR SWITCH FRONT HEATER RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GND SI +B VM 2 3 4 GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLK WIRE GRY/BLU WIRE GRY/GRN WIRE GRY/RED WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HR BLW RRHI RRME RRLO RBAT RRAT RRON B/L FOOT FDEF DEF VMH BLWH HRH HTR FUSE INSTRUMENT CLUSTER SYSTEM J/B 3 (BEHIND COMBINATION METER) J/C 17 (UPPER RIGHT SIDE OF DASH) J/C 8 (BEHIND TOP CENTER OF DASH) JUNCTION CONNECTOR (LEFT SIDE OF CONBINATION METER) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MFRS MRS ORG/ WIRE PASSENGER SIDE R/B 4 (AT RIGHT KICK PANEL) PNK WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE REAR A/C CIRCUIT RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE TACO SPD LOCK TW HRC BLWC VMC TAM TR TE TS TPD TPI TR TINH TPH TSET TPI VIO WIRE VIO/GRN WIRE VIO/RED WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

A/F HEATER RELAY ABS ACTUATOR, ECU ABS SOL RELAY BACK-UP LIGHT RELAY BLOWER MOTOR CONTROLLER BLOWER RESISTOR BLOWER SWITCH BRAKE FLUID LEVEL SWITCH WIRELESS DOOR LOCK ECU BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY CLOCK COMBINATION METER A/C AMPLIFIER CRUISE CONTROL ECU CRUISE CONTROL ACTUATOR CRUISE CONTROL SWITCH LEFT FOGLIGHT DATA LINK CONNECTOR 3 DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE R/B 5 FRONT HEATER BLOWER SWITCH FRONT HEATER RELAY FRONT WIPER MOTOR VSC ACTUATOR GARAGE DOOR OPENER MOON ROOF MOTOR, LIMIT SWITCH INTEGRATION RELAY J/B 3 (BEHIND INSTRUMENT CLUSTER) J/C 7 (BEHIND TOP CENTER OF DASH) KEYLESS BUZZER LEFT FRONT POWER SLIDE DOOR CONTROL SWITCH LEFT FRONT TURN SIGNAL LIGHT, PARKING LIGHT LEFT VANITY LIGHT INNER MIRROR LIGHT CONTROL, DIMMER SWITCHES TRANSPONDER KEY AMPLIFIER MOON ROOF CONTROL SWITCH, RELAY NOISE FILTER O/D MAIN SWITCH PERSONAL LIGHT INTERIOR LIGHT 1 POWER QUARTER WINDOW SWITCH POWER RELAY REAR HEATER RELAY REAR WINDOW DEFOGGER SWITCH RIGHT FRONT POWER SLIDE DOOR CONTROL SWITCH RIGHT VANITY LIGHT STARTER RELAY TIRE PRESSURE WARNING STANARDIZATION SWITCH TO STEERING SENSOR (DIAGRAM 3 OF 3) TURN SIGNAL FLASHER MAIN RELAY UNLOCK WARNING SWITCH W/ MOON- ROOF W/O MOON- ROOF WHT/BLK WIRE WIPER/ WASHER SWITCH

.33 OHMS 10.1 OHMS 3.21 OHMS A/C AMPLIFIER (BEHIND RIGHT SIDE OF DASH, ABOVE KICK PANEL) A/C FUSE A/C SWITCH A/C SWITCH OFF ON ACT F-A/C F-TE LED FAN MGC AMP 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 COOL DRIVER SIDE J/B 1 (BEHIND DASH, LEFT OF STEERING COLUMN) DRIVER SIDE R/B 5 (BEHIND LEFT SIDE OF STEERING COLUMN) ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT) FRONT A/C CIRCUIT FRONT HEATER RELAY FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPARTMENT) HTR FUSE GRN WIRE HEATER FUSE HOT HOT AT ALL TIMES HOT IN ON OR START J/C 3 (BEHIND COMBINATION METER) J/C 8 (BEHIND TOP CENTER OF DASH) JUNCTION CONNECTOR (BEHIND LEFT SIDE OF COMBINATION METER) LOCK LT GRN/BLK WIRE MHOT MODE SWITCH OFF LO OFF ON PASSENGER SIDE R/B 4 (AT RIGHT KICK PANEL) PRS IG IGN R-HVR MCOOL RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RR A/C FUSE SERVO MOTOR (UNDER PASSENGER'S SEAT) VOLUME SWITCH WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED 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

A/C AMPLIFIER, A/C SWITCH A/C CONDENSER FAN MOTOR RADIATOR FAN MOTOR FAN 3 RELAY A/C FUSE A/F HEATER RELAY A/F HTR FUSE ALT FUSE ALT-S FUSE FUSE BATTERY BLK WIRE BLK/BLU WIRE BLK/GRN WIRE BLK/RED WIRE BLOWER MOTOR BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE CDS FUSE COMBINATION METER, LEFT SLIDE DOOR ECU ENGINE CONTROL MODULE DIM RELAY DOME FUSE ECU-B FUSE SHORT PIN DRIVER SIDE R/B 5 (BEHIND LEFT SIDE OF DASH) EFI FUSE HAZARD FUSE EFI RELAY ENGINE ROOM J/B 2 (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 1 (LEFT SIDE OF ENG COMPT) FAN 1 RELAY FROM RADIO 1 FUSE (DIAGRAM 1 OF 3) FRONT HEATER RELAY FUSE (DIAGRAM 2 OF 3) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) FUSIBLE LINK MAIN (12 GA- GENERATOR HORN SWITCH GRN/BLK WIRE GRN/WHT WIRE HAZARD SWITCH HEAD RELAY HEADLIGHTS HORN FUSE HORN RELAY HTR FUSE INP FUSE JUNCTION CONNECTOR 1 (NEAR LEFT HEADLIGHT) LEFT LOW BEAM HEAD- LIGHT RIGHT LOW BEAM HEAD- LIGHT MAIN FUSE MAIN RELAY 1 MAIN RELAY 2 PASSENGER SIDE R/B 4 (AT RIGHT KICK PANEL) R/B 7 (ON LEFT FRONT OF ENG COMPT) RADIO 1 FUSE RADIO, PLAYER, STEREO COMPONENT AMPLIFIER RDI FUSE REAR HEATER RELAY RED WIRE RED/BLK WIRE RED/WHT WIRE RIGHT HEAD FUSE LEFT HEAD FUSE RIGHT HEAD LOWER FUSE LEFT HEAD LOWER FUSE RR A/C FUSE S/HTR FUSE SEAT HEATER RELAY SHORT PIN SPLICE (DIAGRAM 2 OF 3) THEFT DETERRENT ECU HORNS TO ABS FUSE (DIAGRAM 3 OF 3) TO HAZARD FUSE (DIAGRAM 1 OF 2) TO IGNITION SWITCH (DIAGRAM 2 OF 3) VIO/WHT WIRE W/O TOW PACKAGE W/ TOW PACKAGE WHT WIRE WHT/RED WIRE YEL/GRN WIRE