[V8] Hall Sensor [was cam speed sensor]

[William Gutierrez]

Thanks for the feedback.

Bill


>From: "Buchholz, Steven" <Steven.Buchholz at kla-tencor.com>
>To: "'V8 at audifans.com'" <V8 at audifans.com>
>Subject: RE: [V8] Hall Sensor [was cam speed sensor]
>Date: Tue, 2 Dec 2003 09:32:13 -0800
>
>... good job of detailing the diagnostic process!  The fact of the matter 
>is
>that Hall Senders do fail.  I had the Hall Sender code on #344 until I
>swapped the right distributor from #2's dead engine.  I've heard others who
>have had similar Hall Sender failures on V8s and other Audis (most I-5T's
>have a Hall Sender in the distributor).  I never really noticed any change
>in the operation of the V8 after the dizzy swap ... just got rid of the
>code.
>
>Steve B.
>San Jose, Kaleefohnia (USA)
> >
> > The sensor is not replaceable unless you have some fancy
> > machine shop tools to
> > take it apart and press it back together. (and the replacement part)
> > The part is easily testable with a volt meter. I would remove
> > the distributor
> > both for a good inspection and to make testing easier.
> > There is a section in the manual that describes in detail how
> > to check it out
> > but basically you have 5 volts supply to the unit (I think
> > the two outer wires)
> > and the center wire is signal. First verify supply voltage,
> > then measure the
> > signal wire while rotating the distributor shaft. It should
> > switch from 5 volts
> > to zero as you rotate the shaft. These sort of sensors are
> > usually pretty
> > robust. I would look hard at the wires and connectors for
> > your problem.
> >
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