[s-cars] The undead brake sensor
trgreen at comcast.net
Mon Apr 2 10:17:17 EDT 2007
It's a continuous loop sensor, Mark. It reads like you have been
working on the drivers side wheel. Check the passenger side for
continuity as well, since the loop starts there, IIRC. I think you can
better short the system from that side as well.
> Date: Sat, 31 Mar 2007 13:32:15 -0400
> From: Marc Gorelick <marc at frogville.net>
> Subject: [s-cars] The undead brake sensor
> To: S-cars mailing list <s-car-list at audifans.com>
> Message-ID: <460E9B1F.9050908 at frogville.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> Hi all,
> Recently my car ('93 //S4, 183k miles) started giving me a brake
> indicator on my dashboard. This is the one on the "computer" display,
> not the red idiot light. I figured it was either worn brakes (10%
> likely) or flaky Audi electronics (90% likely).
> My brakes are fine. So, I figured it must be a problem with the
> Upon further examination, a previous owner had disabled the sensor,
> their jumper had corroded to the point where it broke. Okay, no
> I figured...I'll just re-do the jumper and all will be well. Not so
> easy, as it turns out...after doing this, the warning didn't go away.
> Fine, I thought...I'll just trace the wire further back and short the
> sensor further "upstream." After tracing the wire through the engine
> compartment, I found a connector near the coolant overflow bottle and
> jumpered there. HA! Still no luck, the light will not go away.
> So, where does this blasted sensor originate? I'll pull the instrument
> cluster and jumper the damnable thing at the source if I have to, I
> want the light to go out. Do I have to clear this with a VAG-COM,
> or am
> I just not going far enough back in the circuit to get around wherever
> the broken wire is?
> Thanks for any advice!
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