2012 IS250 Factory Alarm 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=140928
Printed Date: May 02, 2024 at 7:02 AM
Topic: 2012 IS250 Factory Alarm Disarm
Posted By: crazyboy
Subject: 2012 IS250 Factory Alarm Disarm
Date Posted: February 27, 2016 at 12:31 PM
Good afternoon, Recently did an install an a Lexus IS250 with a Viper 4806 and a PKAll. Now if I remote start the factory alarm will activate for a few seconds and then the alarm shuts off once the car is running. The factory alarm disables with the unlock button, so if I pulse that wire with the alarm disable wire it is going to unlock the vehicle. I believe this is the only way to have the alarm not activate, and then I can go ahead and have the remote start pulse the lock wire once it is running. I'm jut trying to see if there is another way to accomplish this that will not result in the doors becoming unlocked.
Replies:
Posted By: triniforever
Date Posted: February 27, 2016 at 1:01 PM
According to ReadyRemote the factory disarm wire is white located at the power window master switch 20 pin plug pin 4 and a single pulse to that wire should disarm the factory alarm without unlocking the doors.
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triniforever
Posted By: crazyboy
Date Posted: March 14, 2016 at 8:20 PM
Hooked up to single pulse the white wire and it is unlocking the doors. Set it to relock after start. Not optimal but works for now.
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