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M74
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Post subject: Rover 75 Airbag light on, but no errors.  Posted: Tue Aug 23, 2016 12:40 0 pm |
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Newborn - handle with care
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Joined:
Tue Feb 16, 2016 1:22 0 pm
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4
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I bought my latest 75 with the airbag light on. Pscan originally showed a nukber of SRS errors which I cleared to leave just the seat-belt tensioner.
After checking wiring and unplugging/plugging the connector Pscan shows no errors but the light is still on. I had the battery disconnected for 30 mins to see if that made a difference but it didn't.
Any ideas where the problem might lie? Pscan, airbag ECU ?
Geoff
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Badboyrich
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Post subject: Re: Rover 75 Airbag light on, but no errors. Posted: Tue Aug 23, 2016 4:13 0 pm |
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Joined:
Wed Aug 09, 2006 5:18 0 pm
Posts:
289
Location:
Near Mansfield, Notts
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The 75/ZT forum might be the better place to ask, but have you had a rummage around under both seats? A common failure point.
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1234dist
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Post subject: Re: Rover 75 Airbag light on, but no errors. Posted: Tue Aug 23, 2016 4:37 0 pm |
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RT GOD
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Tue Jun 21, 2011 6:37 0 pm
Posts:
5617
Location:
Manchester UK
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under seat connectors need cutting off and bullet connection's back together
Common fault
Yes you have to do both seats
_________________
Coupe Project K785OAT (abs fixing again :cool )
Rover Sport 220GTI m-series K56AEP
218 VVC Cabriolet R170FEU
220 GTI M-series J777RAL
75 2.0 CDT P80CJM
620 SLI P267LOM HONDA
420 GSI Turbo L191CVP
220 Coupe now barely a shell :rip
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M74
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Post subject: Re: Rover 75 Airbag light on, but no errors. Posted: Tue Aug 23, 2016 6:34 0 pm |
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Newborn - handle with care
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Joined:
Tue Feb 16, 2016 1:22 0 pm
Posts:
4
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Thanks guys, I know about the 4 underseat connectors and the side impact sensors.
What I don't understand is why Pscan doesn't show a fault when the airbag light is on.
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1234dist
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Post subject: Re: Rover 75 Airbag light on, but no errors. Posted: Tue Aug 23, 2016 7:14 0 pm |
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RT GOD
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Joined:
Tue Jun 21, 2011 6:37 0 pm
Posts:
5617
Location:
Manchester UK
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maybe worth asking pscan direct over pm?
_________________
Coupe Project K785OAT (abs fixing again :cool )
Rover Sport 220GTI m-series K56AEP
218 VVC Cabriolet R170FEU
220 GTI M-series J777RAL
75 2.0 CDT P80CJM
620 SLI P267LOM HONDA
420 GSI Turbo L191CVP
220 Coupe now barely a shell :rip
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pscan.eu
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Post subject: Re: Rover 75 Airbag light on, but no errors. Posted: Thu Aug 25, 2016 5:51 0 pm |
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Gold Trader
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Wed Jun 04, 2014 8:14 0 pm
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480
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Sorry I have been travelling.
Is it a Temic or Autoliv ECU?
Is there any possibility of a wiring fault putting the light on? For example if the wire from the dash to the ECU is shorted to earth or something. I don't have a wiring diagram for a 75 but if anyone does then maybe I could figure out a way to test the light.
_________________
Low cost diagnostic tool for Rover, MG & Landrover cars http://pscan.uk
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M74
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Post subject: Re: Rover 75 Airbag light on, but no errors. Posted: Sat Aug 27, 2016 7:31 0 am |
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Newborn - handle with care
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Joined:
Tue Feb 16, 2016 1:22 0 pm
Posts:
4
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It's a Temic. If it was a short between light and ecu would the light be on all the time? The light goes off while it's doing a self test and then comes on. Not sure when I'll get chance to check the wiring. I'll report back when I do.
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M74
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Post subject: Re: Rover 75 Airbag light on, but no errors.***sorted*** Posted: Sun Sep 25, 2016 6:08 0 pm |
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Newborn - handle with care
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Joined:
Tue Feb 16, 2016 1:22 0 pm
Posts:
4
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A T4 session showed that the Temic airbag system wasn't activated, that may have happened when the message centre was changed before I bought the car. A software reload by T4, and the airbag light is now off!! Time to book the MOT.
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