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Mshipman

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Posts posted by Mshipman

  1. So for the last few month I have been having problems with my 99' Lexus IS200. It seems that there was a problem with the alarm that has been setting is off at all hours of the morning. The only way I found around it was to leave my car unlocked over night, which wasn't very comforting. So I was reading around the forums for a fix but I couldn't find a clear solution for it. I found that it may be the motion sensor that was causing the problem but I couldn't find out if it could be disabled or how to disable it, so I went hunting.

    I decided that I would remove the roof lining and heat shrink all the wires as this may have been the problem. After pulling my entire roof apart I found that the motion sensor itself was inside the dome light and that it was as simple as unscrewing 3 screws and disconnecting a single harness. So if you are having the same problem try disconnecting it before you go ahead and waste a lot of time haha. I have only just disconnected the sensor so I'm not 100% sure if it is the problem but I'm certain that it is. I will post back in a few days telling you how I go.

    Disable motion sensor

    Time: 5 minutes

    Difficulty: Easy

    Motion sensor harness:

    IMG_0520_edit_zps64611b5e.jpg?t=13849198

    The big circle is the motion sensor.

    The small circle is the harness to disconnect.

    Removing roof lining

    Time: 40 minutes

    Difficulty: Intermediate

    1. Remove the A-pillar by gently pulling.

    IMG_0441_zps7261c3ee.jpg?t=1384919710

    2. Remove the B-pillar by removing the seat belt cover, unbolt the 14mm seat belt bolt and gently pull the cover off.

    IMG_0501_zpsce658303.jpg?t=1384919800

    3. Remove the C-pillar the same as the A-pillar.

    IMG_0448_zps7e6d8e7e.jpg?t=1384919726

    4. Remove the map light by pulling down or prying it.

    IMG_0443_zps7fda50ef.jpg?t=1384919717

    5. Remove dome light by removing the lens cover and unscrewing the 3 screws.

    IMG_0514_zps41128908.jpg?t=1384919823

    6. Remove rear-view mirror by prying the cover and removing the 2 screws.

    IMG_0465_zpse2e3e6b3.jpg?t=1384919758

    7. Remove the sun visors by removing the 2 screws on the outer side, disconnect the harness and remove the screw holding the pivot point.

    IMG_0454_zps00e41366.jpg?t=1384919735

    IMG_0526_zpse5c8ef0c.jpg?t=1384919850

    8. Remove the grab handles by removing the covers on the end of the handles and unbolt the 2 bolts on either end.

    IMG_0478_zpsfd5210b6.jpg?t=1384919778

    9. Remove the 2 push in clips near the rear window(sorry no pictures)

    10. Remove the roof lining. The roof lining should now be completely free. The easiest way I found to get it out is by folding down the passengers seat and removing the liner through the rear passengers door.

    I hope this helps anyone who is having the same problem as me. If you have an questions feel free to post of pm me.

    If anyone is curious I may weigh some of the part for those wondering about weight stripping

    If you would like to see more photos click the link below:

    http://s839.photobucket.com/user/Matt_Shipman/library/Lexus%20IS200%20roof%20lining%20and%20alarm%20problem

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