1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Help! Brake warning light on S3

Discussion in 'A3/S3 Forum (8L Chassis)' started by banoffee, Jul 27, 2010.

  1. banoffee

    banoffee Member

    Joined:
    Jul 14, 2009
    Messages:
    124
    Likes Received:
    0
    The yellow/orange light that looks like...

    (O)

    (With no ! inside) has recently come on and stays on every time the ignition is turned on. Have checked pads, fluid level (topped it up a fair bit) and the connector inside the LHS wheel arch - all good.

    WTF? Does the system need resetting by a dealer/vag com now? Or is something horribly wrong?

    (The brakes work fine)
     
  2. Google AdSense Guest Advertisement



    to hide this advert.
  3. Welly

    Welly VX220 SC Driver :)

    Joined:
    Aug 5, 2009
    Messages:
    10,699
    Likes Received:
    120
    Something wrong there mate, no doubt.

    Obviously you've done your homework as you've checked all the right things.

    What I would do at this point, to find out if it's a fault in the pad is disconnect the connector to the brake pad wear sensor, and bodge a paper clip in there, between the two terminals. That will complete the circuit and if the wiring is good, the light will go off.

    If this is the case and the light goes off, it a problem with the actual sensor in the pad, or the wiring from it.

    You need to isolate the fault first before continuing. If the paperclip test works, it's the pad, if not something is wrong elsewhere.
     
  4. banoffee

    banoffee Member

    Joined:
    Jul 14, 2009
    Messages:
    124
    Likes Received:
    0
    thanks for that. is this light definitely the brake pad one or is it for the ABS (or indeed are they all the same light?). I ask as there is another RED brake warning light I think?
     
  5. Welly

    Welly VX220 SC Driver :)

    Joined:
    Aug 5, 2009
    Messages:
    10,699
    Likes Received:
    120
  6. banoffee

    banoffee Member

    Joined:
    Jul 14, 2009
    Messages:
    124
    Likes Received:
    0
    Thanks - from that it's def the pad light then. Will try your suggestion tomorrow hopefully, thank you.

    Btw did try that with the master cyl level sensor - made no difference.
     
  7. Welly

    Welly VX220 SC Driver :)

    Joined:
    Aug 5, 2009
    Messages:
    10,699
    Likes Received:
    120
    The fault you have will definitely be the pad area, or related to. I had a similar problem, the cable had been touching the disc and worn through on it. This consequently broke the circuit bringing on the pad light.
     
  8. banoffee

    banoffee Member

    Joined:
    Jul 14, 2009
    Messages:
    124
    Likes Received:
    0
    left you some 'thanks'. least I can do :)
     
  9. Welly

    Welly VX220 SC Driver :)

    Joined:
    Aug 5, 2009
    Messages:
    10,699
    Likes Received:
    120
    LOL, no problem mate, lets just hope I'm right and you find the problem to be that!
     

Share This Page