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Front wiper failure

ogough Dec 16, 2013

  1. ogough

    ogough New Member

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    Hi All, I'm really struggling in diagnosing an issue with my front wipers and i'm hoping someone can shed some light on it... Vehicle: AUDI A3 54 plate Scenario: I bought the vehicle around 18 months ago and the concerned was in working order. The vehicle came with cheap aftermarket HID's which i have been meaning to change for some time now (some random Chinese make, i'm not sure which) Obviously at the time i wasn't aware of the potential issue (until trawling helpful forums like these) that can occur with HID's and wiper motor/wiper control module failing, from what i can ascertain that issue is due to either high voltage/current causing damaging Electro-magnetic charges, or the fact that the headlights and wiper unit share the same earth, high voltage causing damage to circuitry??? Anyway, they are still fitted and i assumed this to be the cause of the failure. Also, i have tried the obvious, fuses are fine and the bonnet latch is in good working order, so managed to borrow a working wiper motor from a friend, still not working not even a flicker when ignition on as they do. Now am i to understand that due to the direct power feed to the motor, there is no relay in the circuit that gives an audible 'click' upon using the stalk on the column? this leads me to believe that it could be the wiper control module under the dash? of which i have no way of telling if is working or not, can anybody provide information on what values, resistances etc it should read on particular pins? or another method of testing perhaps? If anybody has experienced this or something similar, your thoughts on what to do next would be greatly appreciated - RainEx only works for so long! haha Regards, Oliver
     
    Last edited: Dec 16, 2013
  2. JJ.Foulds

    JJ.Foulds Well-Known Member

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    welcome to the forum! (inb4 sandra! (i think))

    expensive audi garage visit, lol. but sounds like you had the HID's for a long time before wipe fail so your 'lucky'.
     
  3. blazedani

    blazedani Guest

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    Very common problem.

    The electromagnetic interference blow away the wiper motor.
    It can happen within 1 day or within 2 years... but eventually it happens.

    The wiper motor can be fixed.
    Look & you will find info about a company that repairs the A3 broken wiper motors.

    And of course, take that aftermarket HID kit from your car if you don't want it to happen again.
     
  4. JJ.Foulds

    JJ.Foulds Well-Known Member

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    so you tryed someone elses motor and it still didnt work right?

    caus that would mean its not the motors that are broke :p
     
  5. blazedani

    blazedani Guest

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    Some times I heard about people with the same issue.

    They replaced the wiper motor & still didn't work.
    They were talking about using VAGCOM... but didn't really check on that since never had that problem.
     
  6. JJ.Foulds

    JJ.Foulds Well-Known Member

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    Iv read it can go as far as fry some ecu components to certain things, so it really could be anything
     
  7. blazedani

    blazedani Guest

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    Yes, that a common issue on Peugeot 407, blows away the wiper motor & the BSM.
    But never heard about Audi A3 having that problem, very unlikely.
     
  8. JJ.Foulds

    JJ.Foulds Well-Known Member

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    Think i saw it on a golf V they their abs light and stuff came on caus of it lol. maybe we at audi are lucky!
    (and get that kit to smurfworth quicker!) :p
     
  9. blazedani

    blazedani Guest

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    Also this issue shows up in Audi A4 B6. (ABS / ESP errors with aftermarket HID kits).

    Never saw it on Golf V before, but is good to know it can happen.
    (guess it all depends on the different aftermarket HID kits, higher or lower electromagnetic inferences depending on brands/quality)

    PS:
    I'm not the one sending the kit to smurfworth, but I'm following his case close & rushing welldone to deliver asap this kit.
    I think the kit is already on it's way to UK ;-)
     
  10. JJ.Foulds

    JJ.Foulds Well-Known Member

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    Dam these crazy aftermarket HID kits...

    and good! :p
     
  11. JohnE

    JohnE 2005 A3 Sport 1.6 FSI

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    Interesting

     
  12. ogough

    ogough New Member

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    Yes thats accurate, still didnt work :( So im trying to narrow the issue down, i believe it could be the control unit, but i know nothing of it or how to test or indeed buy a new one from...

    Im loathed if im going to get slapped with a mahoooooosive diagnostic bill from and Audi garage....
     
  13. ogough

    ogough New Member

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    BSM? I ask as i know the motor is in good working order....
     
    Last edited: Dec 18, 2013
  14. blazedani

    blazedani Guest

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    BSM is the name of some electronic component on Peugeot cars.
    No need to worry about this in your A3.

    In your case (Audi A3) the wiper motor should be the only problem.

    Usually replacing the wiper motor is Plug & Play, no need to setup with VAGCOM as far as I know.
    Try to find threads about users with the same problem, maybe someone had the same issue with the new wiper motor not working before.
     
  15. c_w

    c_w Well-Known Member

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    You are testing the new wiper motor with the bonnet down aren't you? (just in case!).
     
  16. ogough

    ogough New Member

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    Yes i did, i have made that mistake before now though ;)
     
  17. c_w

    c_w Well-Known Member

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    Me too, when I fitted some Xenon lights - OEM ballasts though - was worried for a time until a realised they don't work with the bonnet up!
     
  18. nefA4

    nefA4 Member

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    for sure ur cheap after market high voltage hid mess something up,now u have to find out what module or control or motor that work with ur wipers got fried, i been there but not with a3,after fixing problem get ur self a good set of hid theres some after market with low voltage or if u got the $$ money buy oem.good luck and when fix post so u could educate us on that symptom.
     
  19. blazedani

    blazedani Guest

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    Good info NefA4 :icon_thumright:

    Totally right about that.
     

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