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2003 toyota seqoia lock/unlock

Printed From: the12volt.com
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=100988
Printed Date: May 12, 2025 at 8:52 PM


Topic: 2003 toyota seqoia lock/unlock

Posted By: speedboy2108
Subject: 2003 toyota seqoia lock/unlock
Date Posted: January 09, 2008 at 9:08 PM

i need to install the alarm to my seqoia but it's been hard i can't get to connect the lock/unlock wires it  does not show  (+) / (-)  pulse i need to know how to do it  thank  you.



Replies:

Posted By: Velocity Motors
Date Posted: January 09, 2008 at 10:29 PM
LOCK Lt.GREEN/ black Inside driver's door at switch (-)       
UNLOCK Lt.GREEN/ red & RED / yellow Inside driver's door at switch (-)

Select model Toyotas and Lexus require that you run wires into the door to interface with the doorlocks and factory alarm. To lock and arm, the system requires a (-) pulse to the lock wire (2) and open the lock detection wire (1) with a relay. To unlock and disarm, you must pulse both the unlock wire (3) and lock detection wire (1) at the same time. The 2 wires should be isolated with diodes as illustrated. A double pulse is required to unlock all the doors, a single pulse will only disarm the security.

Relay wire diagram

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA


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