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Reset Security System

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Old 10-01-10, 04:05 PM   #1
hypervish
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Default Reset Security System

I removed the EFI fuse to reset my CEL. But, now I can't unlock the car's door once I start the car and shut it down (with the key out of the ignition)...any ideas. I had this happen once before after removing the battery and re-installing but i can't remember exactly what I did it was something like sticking the key in the passenger door and then the drivers door or something like that to have the ECU recognize the key.

I can lock and unlock the door from inside too but that's without turing the car on, once the car has been turned on and back off i can't unlock the door once I remove the key. To unlock all doors I have to press the unlock button on the remote.

Any Idea's as to what I can do to solve this... Thanks in advance.
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Old 06-06-14, 11:50 AM   #2
shawnnixon
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how do i reset security on a 97 lexus sc 400?
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Old 06-06-14, 11:53 AM   #3
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Quote:
Originally Posted by shawnnixon View Post
how do i reset security on a 97 lexus sc 400?
Your best bet is to start a thread on the SC side of the forum : http://www.clublexus.com/forums/sc-400-300-6/
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Old 06-06-14, 11:54 AM   #4
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Also, just realized I never updated this thread.

This is how I reset the security system each time after disconnecting the battery:
  1. Insert master key (non-remote master) into driver's side door.
  2. Remove key.
  3. Insert master remote key into driver's side door.
  4. Remove key.
  5. Insert master key (non-remote master) into ignition.
  6. Remove key.
  7. Insert master remote key into ignition.
  8. Remove key.
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Old 06-06-14, 08:18 PM   #5
gazi001
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Quote:
Originally Posted by hypervish View Post
Also, just realized I never updated this thread.

This is how I reset the security system each time after disconnecting the battery:
  1. Insert master key (non-remote master) into driver's side door.
  2. Remove key.
  3. Insert master remote key into driver's side door.
  4. Remove key.
  5. Insert master key (non-remote master) into ignition.
  6. Remove key.
  7. Insert master remote key into ignition.
  8. Remove key.
That's good Hyper you got it.
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Old 06-06-14, 08:45 PM   #6
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The non-remote master is the grey key?
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Old 06-06-14, 09:24 PM   #7
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Quote:
Originally Posted by sktn77a View Post
The non-remote master is the grey key?
Yes, that's the one at least in my case.
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Old 11-15-16, 01:52 PM   #8
kdensmore5
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Default Do I need a new key? The button on my key has fallen out

Can I bypass a security system ? Key is broke
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Old 11-15-16, 04:31 PM   #9
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You can keep it from arming by shorting the hood courtesy switch wires. I made a post on how to do it, not long ago.
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