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How to reset a anti thef system

How can I reset the anti theft system

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There is no way to reset the "Anti-Theft" system. Hopefully you have more than one ignition key. Slide one key into the ignition cylinder and try to start the engine. If nothing, try the same thing with the other key. There is a transponder inside each key and the exciter ring will send a signal to the key. If the signal that it receives is not valid, then the Anti-Theft system will tell the ECU not to allow the car to be started. What is the security light doing while you try to start the engine? Did this problem happen out of the blue? Was a repair performed on the ignition switch? Are there any other symptoms? Please write back and let me know, good luck.

Posted on Mar 25, 2014

  • Jay Parson
    Jay Parson Nov 13, 2015

    yes this problem happen out of the blue same ignition and key

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Posted on Jan 02, 2017

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SOURCE: anti theft system is locked

With the drivers window down and all the doors closed and the hood open diconnect the battery. reach in and turn the key to run. Connect the battery without skipping around and the dash lights should come on. turn the key off and enter the car and start it as normal.

Posted on Dec 06, 2010

ASE TECH
  • 57 Answers

SOURCE: where is the reset switch for the anti theft

you will have to go to your dealer for that information only dealerships can provide you with that information bring your year model and vin number and show proof of owner ship like titile they should be able to provide you with that bit of information.

Posted on Jan 29, 2010

elix0411
  • 3530 Answers

SOURCE: 1997 T100 Toyota anti theft

Welcome to Fixya

Turn the key to off position, then turn all the way to ON postion without starting the engine and let it sit like that for 10 min. This will reset the anti theft program in the cars computer. After 10 min turn the key to the off position and then try to start the car. Thank you for using Fixya!

Posted on Jan 29, 2011

  • 21 Answers

SOURCE: 1997 toyota 4runner anti theft system prevent ignition. How do we deactivate anti theft system.

sorry this is a dealer fix. but it could be as simple as programing a new key.
or it may need a new imoblizer module.

Posted on Apr 14, 2013

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J5

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