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S3...alarm going off/ boot open light showing/ back windscreen wiper doesn't work ??

Discussion in 'A3/S3/Sportback (8P Chassis)' started by Jakes3, Jun 15, 2014.

  1. Jakes3

    Jakes3 New Member

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    I have an S3 and currently the alarm keeps going and the light on the dash shows that my boot is open when it's not....the back windscreen wiper also now longer works.
    Any suggestions please :)
     
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  3. pluves1

    pluves1 Active Member

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    You haven't fitted new headlight bulbs have you?

    Have you checked fuse(s)?
     
  4. Jakes3

    Jakes3 New Member

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    hi no new lightbulbs and yes have checked the fuses .....the front wipers no longer work either ?
     
  5. pluves1

    pluves1 Active Member

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    Sorry meant to say that you haven't upgraded the OEM headlight bulbs to HID at any point?

    Have you checked the bonnet switch and the boot microswitch? I have heard to them dropping off or stopping working. The bonnet open causes the front wipers to stop working (bonnet has to be shut for them to work??) The boot microswitch might expain the alarm and the boot/bonnet open light as well.
     
    #4 pluves1, Jun 15, 2014
    Last edited: Jun 15, 2014
    Jakes3 likes this.
  6. Jakes3

    Jakes3 New Member

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    just changed the fuse to the wipers and cleaned the switches and now just checked the bonnet catch ....thanks so far so good !! just reset the car just waiting to see if the alarm goes off again ....thanks again for your help :)
     
  7. Jakes3

    Jakes3 New Member

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    The light still continues to flash saying the boot is open although its no longer triggering the alarm ??
    The back wiper no longer works ??
     
    #6 Jakes3, Jun 15, 2014
    Last edited: Jun 15, 2014
  8. L1ARR

    L1ARR Active Member

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    You might need to check if somehow a wire hasn't been cut or split.
     
  9. phil76

    phil76 Active Member

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    This normally happens when the rear wiper is is blocked and people keep pressing the rear screen clean,water then forces it way out of the motor and on to the tailgate micro switch which is in the catch from memory,if you take off the interior rear trim it might have water all over the inside of the tailgate as this happens a lot in winter when the rear wiper blocks/freezes up and happens on most of the vag range.

    If it doesn't go inside the tailgate the washer pipe can also blow itself apart on the connector inside the rubber boot between the tailgate and roof panel and when this happens water normally wets through the car such as roof lining and drivers side 'C' pillar trim,then down at the side of the rear seat and seat base.
     
  10. Jakes3

    Jakes3 New Member

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    Hi thanks for the reply the micro switch was full of water,just cleaned it out all ok now.
     

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