Vehicle Wiring Details for a
2002 Toyota Sienna
Item Wire Color Polarity Wire Location
12V wht/red & wht/blue Positive (+) ignition harness
Starter red Positive (+) ignition harness
Starter 2 none
Ignition black/yellow Positive (+) ignition harness
2nd Ignition black/red Positive (+) ignition harness
3rd Ignition none
Accessory blue Positive (+) not required for r-start
Accessory 2 none
Tachometer [3] [3]
Power Door (Lock)
Wiring Diagram for
[Negative (-)] Door Lock
blue/white Negative (-) passenger kick panel [1]
Power Door (Unlock)
Wiring Diagram for
[Negative (-)] Door Unlock
blue/yellow Negative (-) passenger kick panel [1]
Door Trigger red/white Negative (-) top right side of fuse box
Dome Supervision
Wiring Diagram for
[Negative (-)] Dome
red/black Negative (-) right side of fuse box
Headlights red/green Negative (-) combination switch harness
Parklight Positive green Positive (+) bottom of fuse box
Parklight Negative green/orange Negative (-) combination switch harness
Wipers blue/blk, blue/org Positive (+) wiper switch [4]
Left Front Window
green - red in drivers door at switch
Right Front Window
grn/wht - red/blue in drivers door at switch
Left Rear Window
red - yellow [5] A must go to motor (rear vent)
Right Rear Window
red - yellow [5] A must go to motor (rear vent)
Trunk/Hatch Pin green/black Negative (-) top right side of fuse box
Hood Pin black Negative (-) at light or theft ECU [2]
Trunk/Hatch Release
Wiring Diagram for
[Negative (-)] Trunk/Hatch
green/yellow [9] Negative (-) switch on dash below radio
Factory Alarm
arms with lock [1]
Factory Alarm
disarms with unlock [1]
Horn green/black Negative (-) steering column
Brake green/white Positive (+) brake switch or fuse box
Door Motor
blue/red integration relay [8]
Door Motor
blue/black integration relay [8]
Disarm blue/red integration relay [8]
Disarm No Unlock none
Additional Info:
Some models have an immobilizer system that needs to be bypassed during remote start. Use Commando module TransMod to bypass. [1] they will test only by operating the key in the passenger door lock cylinder, not the rocker switch on the door itself. [2] door lock ECU and theft ECU are in the center console. [3] located at one of the coils on top of the valve cover, use the wire that is NOT black/white, white/black, or black [4] rear wiper pink/black(-) at wiper switch [5] rear open & close motors are common through the switch [6] sunroof relay located front center under headliner. [7] stereo amplifier in center console below doorlock and theft ECU. [8] the integration relay is at the bottom of the fusebox. [9]This is for the power sliding side door.

ATTENTION: This wiring information is being provided free of charge and on an "as is" basis, without any representation or warranty. It is your responsibility to verify any circuit before interfacing with it by using a digital multimeter. GNU Industries, Inc. assumes no responsibility with regards to the accuracy or currency of this information. Proper installation in every case is and remains the responsibility of the installer. GNU assumes no responsibility resulting from an improper installation, even in reliance upon this information.

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