2004 Corolla S - Factory Disarm
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=37295
Printed Date: July 14, 2025 at 2:11 PM
Topic: 2004 Corolla S - Factory Disarm
Posted By: brad50
Subject: 2004 Corolla S - Factory Disarm
Date Posted: August 13, 2004 at 1:30 AM
I have hooked up a Viper 160XV to a 2004 Corolla S. Everything went smooth with the install. Remote Start works and the doors lock/unlock with the Viper remote. The 160XV is only a remote start unit.
My problem is the factory alarm. According to everything that I have read in the wiring diagram and on the forum, the factory alarm disarms with the unlocking of the doors, and arms with the locking of the doors.
According to the customer, sometimes the factory alarm will sound when she opens her door. The remote start module is unaffected (car can still remote start) and the alarm is disarmed by pressing the unlock button on the Viper remote.
I have the keysense wire hooked up as described in the wiring diagram along with every other connection to make the Viper remote start function.
Any ideas on what could be making the alarm sound with opening the door? It seems as if the factory alarm is killed by using the Viper remote's unlock button, but how do I get around to disarming the alarm so it doesn't go off?
Replies:
Posted By: tblanning
Date Posted: August 13, 2004 at 3:45 PM
if it does not go off when you remote start the vechicle i would just tap in a relay and run a wire to the keysense so when you unlock it get pulse also are you saying the alarm goes off if she arms it with remote then returns and disarms(unlock) with remote or even if the car was never locked and she opens door
Posted By: brad50
Date Posted: August 14, 2004 at 1:21 AM
Yeah, the factory alarm seems to go off at random times according to the customer. Even when it has been locked and unlocked via the Viper remote.
Posted By: auex
Date Posted: August 14, 2004 at 1:28 AM
How long between the time she unlocks the door till the time she opens the door? If it is more then thirty seconds the factory alarm may arm itself. You have the unlock wire set to double pulse as well correct?
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Posted By: NowYaKnow
Date Posted: August 14, 2004 at 8:52 AM
Make sure you have it set for double pulse unlock if you don't already.
Mike
Posted By: mecpcert_1
Date Posted: August 14, 2004 at 9:50 PM
are you using the lock/unlock from the switch or from the door key cylinder? ------------- do it right the first time....less warranty work=more money!:)
Posted By: dBDevil
Date Posted: August 14, 2004 at 11:34 PM
There's supposed to be a wire with the lock/unlock if I remember correctly. It should be the factory disarm wire. I believe you would use that on the blue status wire.
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