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Author Topic: Air Bag Light on  (Read 3555 times)

aero95

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Air Bag Light on
« on: 04 September 2013, 12:56:51 PM »
Hi

My 2002 Saab Aero's airbag light come's on when the airconditioning is truned on and then the light will go out once the Aiconditioning is turned off !

Can anyone advise what the problem is and how to fix this ?

Thanks for any info.
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Audax

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Re: Air Bag Light on
« Reply #1 on: 04 September 2013, 07:35:41 PM »
I would be a bit worried about this, there's nothing shared between the aircon and airbag circuits so it sounds like you either have a chaffed wire or someone has modified some wiring in the car. I'd be getting it to a specialist or dealer and getting them to plug it in to Tech-2 to get diagnostic codes read.

A couple of questions though, when you say aircon is turned on/off which button do you mean exactly causes this? Also, does the light come on/off immediately as you push these buttons or does it take some time?
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Steve440

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Re: Air Bag Light on
« Reply #2 on: 04 September 2013, 08:24:54 PM »
Do these systems share a common earth point anywhere in the car?

Steve
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Audax

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Re: Air Bag Light on
« Reply #3 on: 04 September 2013, 08:40:36 PM »
Quote from: Steve440 on 04 September 2013, 08:24:54 PM
Do these systems share a common earth point anywhere in the car?

According to wis they don't.
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Steve440

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Re: Air Bag Light on
« Reply #4 on: 04 September 2013, 08:50:39 PM »
OK just an idea.

Steve
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sgould

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Re: Air Bag Light on
« Reply #5 on: 04 September 2013, 10:40:51 PM »
Try a recalibration of the aircon.  With it all working, press AUTO & OFF buttons together.

The unit will chunter for 30 seconds or so.  A good result is "00"  on the aircon display.  If there are faults, you will get a number showing the total number of faults "01", "02" etc at one end of the display and the code for the fault at the other.  If more than one fault the codes cycle through all the numbers.

More info  http://blog.saab9-5.com/?p=26
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Audax

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Re: Air Bag Light on
« Reply #6 on: 05 September 2013, 08:01:37 AM »
Quote from: sgould on 04 September 2013, 10:40:51 PM
Try a recalibration of the aircon.  With it all working, press AUTO & OFF buttons together.

I wouldn't do that, I'd be worried the air bag would pop!  :o

In all seriousness, a fault like this needs to be investigated by someone who knows what they are doing (or failing that someone who has a vague idea of how to use a Tech-2) as if the aircon is affecting the airbag system I'd be very very worried.
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rhodgie

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Re: Air Bag Light on
« Reply #7 on: 05 September 2013, 12:22:45 PM »
That was the OP's first post so maybe first saab...???  we need more info on what buttons your pressing and what lights are coming on, some pictures of your dash to illustrate this.
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