08 toyota rav4 remote start factory fob

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Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=117078
Printed Date: May 03, 2025 at 11:13 AM

Topic: 08 toyota rav4 remote start factory fob

Posted By: ftjeep
Subject: 08 toyota rav4 remote start factory fob
Date Posted: October 19, 2009 at 8:38 AM

I'm trying to wire in a remote start that works off of 3 negative pulses from the door locks. I can get it to work by using the key in the door, and I can get it work with the door lock switch, but I can't find anywhere that the voltage drops when you use the factory key fob that is built into the key. I tried both the light blue wire in the driver kick and the pink in the driver kick, but neither has voltage change from the key fob. Anyone know where I can get this signal?

Replies:

Posted By: ckeeler
Date Posted: October 19, 2009 at 12:56 PM

you could get the signal directly from the lock motor wire and change the polarity to negative via a relay and feed that to your remote start unit.

Posted By: syl20rochon
Date Posted: October 19, 2009 at 6:59 PM

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Sylvain Rochon
MECP security specialist
Tech support for remote starters
26 Years of experience counts
I'm here to help.

Posted By: ftjeep
Date Posted: October 19, 2009 at 8:39 PM

UPDATE: I appreciate the help guys. syl20rochon those are the wires I tested and neither go to ground when using the factory keyless entry remote, only when using the key in the door or using the lock button on the door. I did find that the smaller red wire on the same plug as pictured above connects to the lock motor and briefly goes to ground when any of the 3 methods are used to lock the doors. SO I found a solution. Thanks!

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