2012 IS250 Factory Alarm Disarm

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crazyboy

Member - Posts: 8

Joined: June 09, 2004

Location: United States

Posted: February 27, 2016 at 12:31 PM / IP Logged

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.

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triniforever

Copper - Posts: 323

Joined: November 12, 2008

Location: New York, United States

Posted: February 27, 2016 at 1:01 PM / IP Logged

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.

triniforever

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crazyboy

Member - Posts: 8

Joined: June 09, 2004

Location: United States

Posted: March 14, 2016 at 8:20 PM / IP Logged

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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