• Join Gold & Save!
      Join Gold & Save!
    • Save Up To 15% On Your Lexus Insurance!
      Save Up To 15% On Your Lexus Insurance!
    • Get Your Club Gear
      Get Your Club Gear
    • Massive Choice on Lexus Parts
      Massive Choice on Lexus Parts
    • 1000's of Lexus For Sale
      1000's of Lexus For Sale


AdBlock Warning

Parts of this website do not function properly with AdBlock enabled on your device. To get the best user experience on our website, please disable Adblock for this website (domain) on your browser.


Mshipman

Tutorial: Remove Is200 Roof Lining And Fix Alarm Problem

6 posts in this topic

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

1 person likes this

Share this post


Link to post
Share on other sites
 

Excellent guide, well done. I have pinned this for other members use.

Share this post


Link to post
Share on other sites

A nice tutorial!

Can you say if disconnecting the motion sensor did in fact cure the issue of the alarm going off in your case?

Thanks for the useful information.

Share this post


Link to post
Share on other sites

Unfortunately, in my case at least, this solution did not cure the problem.

Thanks all the same for the potentially very useful information.

Share this post


Link to post
Share on other sites

As a new owner with the alarm having gone off once during the day this is a great guide on how to get to the sensor in the dome light.  If it happens again I will be getting my credit card out and disconnecting the motion sensor. 

Thanks for the photos this is a great help

N.

Share this post


Link to post
Share on other sites

Great guide, nice one Matt. I've had my alarm go off a couple of time at work (I bet the neighbours love that at 6.30am!) but it seems really irregular. I thought may be it was just the age of the unit, but I'm starting to think actually it might be being triggered by my tired old inertia reel seatbelts taking in the last few inches. I'm now consciously making sure they have fully retracted before I lock-up - touch wood!

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!


Register a new account

Sign in

Already have an account? Sign in here.


Sign In Now

  • Similar Content

    • By J Henderson
      This thing sounds pretty beastly! 
    • By J Henderson
      Having a much-needed clearout. Collection from EH51, or can arrange postage at buyer's expense.
       
      IS200 "Sport" Chrome Tailpipe
      Hard to find genuine item in very good condition. Adds a touch of class to any IS200/300 with a stock exhaust system. £20


       
      IS200 Drive Belts
      Full set of Gates drive belts for 1G-FE engine cars - Power-steering, Air-con & Alternator. Brand New, never fitted. £20

       
      HB4/9600 OSRAM Fog Breaker Bulbs
      Colour temperature approx 2600K (Yellow). Brand-new & sealed. Will fit front fogs on '05-10 2nd-Gen IS. £20

       
    • By malahai
      Hi guys, 
      I am getting mental with this stuff, so I hope somebody will be able to direct me to some solution. I got my IS200 2004 reg., about a year ago. Back then I changed all pads and discs to some new but cheap-ish stuff, different brand on the front, different at the back. I think at this moment I started to get steering wheel wobble when breaking from about 40-70mph. I did live with them for about 2 months but got annoyed, so changed all breaks and discs, this time I went for full set from Pagid. I realized immediately, that it did not sort out my wobble problem. After some time I decided to finally resolve the problem, took it to mechanic thinking that it might be faulty wheel alignment. Nope, all OK. They said it might be some dirt on front drive hub flange (if I undestood well). They cleaned one (front passenger side) and it was OK - wobble gone. For two days, then it came back. 
      So now, should I assume that problem might be with those front drive hub flanges? Or maybe calipers, as they are the only part that wasn't changed? Let me add that I fitted set of 4 brand new tires and alloy wheels as well. Any ideas guys? Would really appreciate some help. 
    • By RobW
      It has been a while since my car was serviced so I did a few things.
      Changed air filter, oil and oil filter. Car runs lovely when first started and driven but if you stop and then restart (lets say for petrol) the car starts misfiring.
      Initially, it was cylinder 5 reported as misfiring, now it's 1,3 and 5 and a report of bank 2 running lean.
      I've swapped coils and plugs around but I still have the same problem.
       
      Is it just coincidence this has happened since "service" or can they be related.?
  • Recently Browsing   0 members

    No registered users viewing this page.