98 900 SE Convertible "Check Latches" - SaabCentral Forums
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  #1  
Old 18th January 2007
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longjon76 longjon76 is offline
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Default 98 900 SE Convertible "Check Latches"

I just recently bought a 900 SE convertible. I love it!

An annoying, albeit minor, problem is that when I start to move from a dead stop, the SID comes up with "Check Latches" and the accompanying warning sound. I can clear it by pressing any button on the SID. Sometimes it goes away on its own. You can imagine in traffic that it gets pretty annoying.

So, I checked all of the latches and they seem to be making contact appropriately. The only thing I haven't done is try to drive it with the top down to see if I get the same effect. Maybe when the temperature climbs above freezing I'll give that a shot!

Anyway, is anyone aware of this being a problem in general with convertibles? What can I check or do to isolate the problem and troubleshoot?

Thanks in advance for your suggestions and help.
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Old 18th January 2007
fishhyren11 fishhyren11 is offline
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I think you'll get better results in the other forum that is for your model/year...


Maybe you can have a mod move it for you
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Old 18th January 2007
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Check latches meeans that the TSAS (convertible top) computer is not seeing a signal from one or more of the microswitches in the header (top of the windshield) or in the tonneau cover.

It's relatively easy to check with a tech II, a bit more time consuming without. If you look in the hole where the 1st rail studs seat in the header, you should see a tiny litle arm from the microswitches - make sure these depress enough when the studs seat in the hole.

SAme thing on the tonneau cover - there are two microswitches in the 5th bow latch holes, make sure these depress when the 5th bow catches go in.
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Old 18th January 2007
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Most of the time when this happens, it means that one or both of your header latches have worked loose - the sensor is picking up slight movement upon acceleration. Usually just a tighten of the nut solves it - that was the case on my '98...
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  #5  
Old 18th January 2007
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When I first got my 99 9-3 SE vert I had this problem even on the test drive, but for me it was nothing sensor related, it was very simple. When the top is up and in the locked position if you even touch the top button moving it to the rear slightly on the switch pack, it will trigger this SID alert. I am not sure if your problem is this simple, but just give it a try, next time you get that warning push the top switch forward all the way and see if that helps. Otherwise go with the professional advise above ^
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Old 18th January 2007
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Thanks everyone. I'll be checking everything out when I get home tonight. I'll repost when I get it figured out.
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Old 19th January 2007
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Ok, so when I left work yesterday, I checked to make sure that the roof switch was all the way forward. It was, but I noticed that it could go further and sort of stick forward, like when you raise or lower the windows all the way. So, with it in that position, Check Latches does not show in the SID. I noticed that I could hold it a little past it's normal position and Check Latches doesn't show there either.

So, I'm thinking this is a switch issue. Is there a way to adjust it? Leaving it "past forward" works but I'm concerned that I could, perhaps, be sending a signal to the roof motor continuously?

I know I must sound clueless here. I just don't want to tank my pretty new Saab and, honestly, the Fiat 124 I rebuilt in college didn't have all of these bells and whistles.
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Old 19th January 2007
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It's been a while, but if memory serves, the microswitches are held in place with two phillips screws, and have a little bit of play in the holes - aka adjustment room.

I seem to remember that getting to the screws was a pain, involving the removal and regluing of some weatherstrips, so I'm pretty sure that we would bend the microswitch's little metal arm outward in order for it to more positively contact the header rail latch post.

if you take a digi pic down either of those holes, I can show you what to do
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Old 19th January 2007
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Quote:
Originally Posted by longjon76
So, I'm thinking this is a switch issue. Is there a way to adjust it? Leaving it "past forward" works but I'm concerned that I could, perhaps, be sending a signal to the roof motor continuously?

I know I must sound clueless here. I just don't want to tank my pretty new Saab and, honestly, the Fiat 124 I rebuilt in college didn't have all of these bells and whistles.
Well i wouldnt leave it past forward although it is supposed to snap back once released and return to the center position, this could be your problem. I would just leave it in the normal center position, then next time you get the SID warning push it forward for a second or two and see if the message goes away. At least then you will know that it is related to the switch.

not at all, the bells and whistles just take a little time to get to know, then you will appreciatethe car even more.
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Old 26th September 2012
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Default latches

Quote:
Originally Posted by 20Ted View Post
Most of the time when this happens, it means that one or both of your header latches have worked loose - the sensor is picking up slight movement upon acceleration. Usually just a tighten of the nut solves it - that was the case on my '98...
I just had my "check latches" come on. I tried pressing the conv. switch forward, and no luck. What nuts are I m to tighten?
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