2012 Toyota Sienna Alarm Wiring Guide


Whether your an expert Toyota Sienna car alarm installer, Toyota Sienna performance fan or a novice Toyota Sienna enthusiast with a 2012 Toyota Sienna, a Toyota Sienna car alarm wiring diagram can save yourself a lot of time. One of the most time consuming tasks with installing an after market car alarm, car security, car remote start, automatic remote starter, shock sensor, tilt sensor, car alarm sensor or any auto alarm is identifying the correct color car security wires for a 2012 Toyota Sienna headlight bulb size you need for your low beam or high beam and save time. Also, find your other car light bulb sizes including your fog light, reverse light, turn signal, brake light and more. It’s that easy!

The Modified Life staff has taken all its Toyota Sienna car alarm wiring diagrams, Toyota Sienna car security wiring diagrams, Toyota Sienna car alarm wire diagrams, Toyota Sienna car security wiring schematics, Toyota Sienna car security diagrams, Toyota Sienna remote starter wiring diagrams and cataloged them online for our visitors to use for free. Our automotive wiring diagrams allow you to enjoy your new auto security electronics rather than spend countless hours trying to figure out which wires goes where.

Feel free to use any Toyota Sienna auto alarm wiring diagram that is listed on Modified Life but keep in mind that all information here is provided as-is without any warranty of any kind and most of the auto security wiring diagrams listed on our enthusiast website are submitted by the Modified Life community. Use of the wiring information is at your own risk. Always verify all wires, wire colors and diagrams before applying any information found here to your 2012 Toyota Sienna.

Questions

If you have any questions pertaining to the car wiring in a 2012 Toyota Sienna, please feel free to post it at the bottom of this page and either we will do our best to find you the information you need or hopefully someone in the Modified Life community will have the information you are looking for.

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Adding More Information

If you would like to help the Modified Life community by adding a car security wire schematic, car alarm wire diagram, car remote starter wire diagram, auto remote starter wire diagram or auto security wire diagram to our resource, please feel free to post any additional car wiring information about the 2012 Toyota Sienna on this page.

2012 Toyota Sienna Alarm Installation Guide

Battery Constant 12v+ Positive Wire (+): Red
Battery Constant 12v+ Positive Wire Location: At Ignition Switch (White 8-Pin Plug)

Starter Positive Wire (+): Red
Starter Positive Wire Location: At Ignition Switch (White 8-Pin Plug)

Second Starter Positive Wire (+): N/A
Second Starter Positive Wire Location: N/A

Ignition Positive Wire (+): Black
Ignition Positive Wire Location: At Ignition Switch (White 8-Pin Plug)

Second Ignition Positive Wire (+): Yellow
Second Ignition Positive Wire Location: At Ignition Switch (White 8-Pin Plug)

Third Ignition Positive Wire (+): N/A
Third Ignition Positive Wire Location: N/A

Accessory Positive Wire (+): Blue
Accessory Positive Wire Location: At Ignition Switch (White 8-Pin Plug)

Second Accessory Positive Wire (+): N/A
Second Accessory Positive Wire Location: N/A

Key Sense Wire: Red
Key Sense Wire Location: ECU Module at Dash Fuse Box (White 40-Pin Plug)

Parking Light Negative Wire (-): Yellow
Parking Light Negative Wire Location: ECU Module at Dash Fuse Box (White 30-Pin Plug)

Parking Light Positive Wire (+): Brown
Parking Light Positive Wire Location: ECU Module at Dash Fuse Box (White 36-Pin Plug)

Power Door Lock Negative Wire (-): Light Green
Power Door Lock Negative Wire Location: ECU Module at Dash Fuse Box (White 30-Pin Plug)

Power Door Unlock Negative Wire (-): Brown
Power Door Unlock Location: ECU Module at Dash Fuse Box (White 36-Pin Plug)

Door Trigger Negative Wire (-): Pink
Door Trigger Negative Wire Location: At Dash Fuse Box (White 36-Pin Plug)

Dome Light Supervision Wire (+): Blue
Dome Light Supervision Wire Location: Rear of Dash Fuse Box (White 40-Pin Plug)

Trunk Release Negative Wire (-): Blue (Hatch) and Red (Power Lift Gate)
Trunk Release Negative Wire Location: ECU Module at Dash Fuse Box – White 30-Pin Plug (Hatch), ECU Module at Dash Fuse Box – White 28-Pin Plug (Power Lift Gate)

Sliding Power Door Wire: Yellow
Sliding Power Door Wire Location: ECU Module at Dash Fuse Box (White 28-Pin Plug)

Horn Negative Wire (-): Green/Black
Horn Negative Wire Location: At Dash Fuse Box (White 40-Pin Plug)

Tachometer Wire Negative Wire (-): Yellow
Tachometer Wire Negative Wire Location: At Data Link Connector (White 16-Pin Plug)

Wait To Start Wire: N/A
Wait To Start Location: N/A

Brake Light Positive Wire (+): Blue
Brake Light Positive Wire Location: At Brake Pedal Switch

Factory Alarm Disarm Wire (-): Use Key Sense
Factory Alarm Disarm Wire Location: N/A

Factory Anti-Theft System: Toyota Transponder Anti-Theft System
Factory Anti-Theft System Location: Requires Bypass Module for Remote Start

The 2012 Toyota Sienna alarm wire color and location information above is updated as it is submitted by the Modified Life community.

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