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Thread: Wiring Diagram

  1. #1
    djmotorsport's Avatar
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    Wiring Diagram

    In the past month, my S3 (2001) has started to intermittently show the brake pad warning symbol in the DIS. I’m looking for a wiring diagram of this part of the loom so I can trace the issue.


    The battery is new (problem occurred before the battery was changed)

    The brake pad sensor connector in the front lhs wheel arch has a loop back connector on it as the pads don’t have the requisite connector. It has been this way since I bought the car 14 months ago.

    I think it’s probably a faulty connection somewhere between the loop back and the DIS but need the wiring diagram to check this theory out.


    Anybody got one, or a better idea of what the problem could be?
    DJ
    A3 1.9 TDi

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  3. #2
    hud at ye bam

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    Dave,

    Haven't seen you around here for a while, hope the car's still running well. I assume you've tried the obvious and followed the cable up through the wheel arch? Have you tried to see if you can clear the fault with VAG-COM? Sorry, not much help on the wiring diag.

    Chris


    *Edit: Did you notice who was nominated for the best modified car in the AS.net end of year awards??
    [/sarcasm]

  4. #3
    djmotorsport's Avatar
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    Chris,
    Car's running great - not getting used too much at the mo as i'm working in the city centre and parking is very expensive.
    I started to try tracing the cable from the wheel arch yesterday but my pal turned up with a broken kart which took priority :-) And karts are also the reason I've been absent from here.

    Don't know if VAG-Com would help as the fault comes and goes - If I can't get a schematic, I guess i'll poke around some more next weekend........



    I think the award should go to Glen - It's all his good work!


    DJ
    DJ
    A3 1.9 TDi

  5. #4
    Secret Squirrel's Avatar
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    Have you checked for continuity on the loop back connector for a start?

  6. #5
    djmotorsport's Avatar
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    Yes - I should have said that I have 2 loop backs, both which show 0 ohms and neither of which fixes the issue.
    DJ
    A3 1.9 TDi

  7. #6
    Secret Squirrel's Avatar
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    Ok. I thought that would be a good start.
    I can see why you need a circuit diagram. Tracing the cable could be a PITA.
    Sorry I can't help, but have you got part number on that loop back connector. I've been meaning to source/make one of those for a while. That DIS warning gets on your nerves.

  8. #7
    hud at ye bam

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    Quote Originally Posted by djmotorsport
    Don't know if VAG-Com would help as the fault comes and goes - If I can't get a schematic, I guess i'll poke around some more next weekend........
    I was actually wondering if it were possible to just switch the sensor off with VAG-COM. If your pads don't have the wear indicator you wouldn't really need it on.







    *not a VAG-COM expert at all so I could be speaking out of my arse.
    [/sarcasm]

 

 

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