[s-cars] Speedo Info Needed: how to calibrate/adjust

[chris chambers]

In the State of Michigan you are not required to have a speedometer, so
hence if your speedometer is off it isn't an excuse to get out of a
speeding ticket.

BTTT  - been there tried that!



--- "James C. Mairs" <jmairs at cetaq-americas.com> wrote:

> 
> > Perhaps this is desirable since you might be able to turn a
> speeding
> > citation
> > into a faulty equipment plea.
> 
> I think I should find one of these ICs then, I normally could use all
> the
> help I can get in that area...  =)
> 
> -Jim 
> 
> > -----Original Message-----
> > From: s-car-list-bounces at audifans.com [mailto:s-car-list-
> > bounces at audifans.com] On Behalf Of Tom Green
> > Sent: Friday, August 17, 2007 12:05 PM
> > To: s-car-list at audifans.com
> > Cc: Tom Winter
> > Subject: Re: [s-cars] Speedo Info Needed: how to calibrate/adjust
> > 
> > Hi Tom,
> > 
> > There is some instrument cluster coding in VAG-COM for 5 or 6
> > cylinder cars
> > IIRC.  That only affects the tachometer, though.  The speedometer
> is
> > driven
> > from the electronic pickup adapter on the transmission, and
> provides
> > input to
> > the ECU, but not vice-versa.  I haven't found anything in VAG-COM
> > that would
> > adjust the speedometer or odometer, in fact, it is designed to
> > prevent any
> > manipulation.
> > 
> > Looking at three speedometers, they all have the needle at rest
> just
> > below the
> > 0 mark as you describe.  I would have to believe the needle was
> > subjected to
> > impact g-forces that caused it to slip on the shaft.  A sudden
> impact
> > is usually a
> > factor in a s-car instrument cluster appearing on the market.
> > 
> > Perhaps this is desirable since you might be able to turn a
> speeding
> > citation
> > into a faulty equipment plea.
> > 
> > Tom
> > 
> > 
> > 
> > -----Original Message-----
> > > Date: Thu, 16 Aug 2007 19:19:12 -0600
> > > From: Tom Winter <tom at freeskier.com>
> > > Subject: [s-cars] Speedo Info Needed: how to calibrate/adjust
> > > To: <s-car-list at audifans.com>
> > > Message-ID: <C2EA53B0.3225%tom at freeskier.com>
> > > Content-Type: text/plain;	charset="US-ASCII"
> > >
> > > Hi team:
> > >
> > > Those of you with long memories may remember my instrument
> cluster
> > > woes. I
> > > was about to tear the cluster apart and get intimate with things
> like
> > > "electronics" but scored a used one and finally installed it.
> (the
> > > avant was
> > > sidelined getting the timing belt replaced, head rebuilt and an
> RS2
> > > exhaust
> > > manifold installed).
> > >
> > > As far as the "new" instrument cluster goes, the tach works, the
> > > temp gauge
> > > works, and no more flaky autocheck! In fact, it all works!!! And
> I am
> > > stoked.
> > >
> > > But the speedo registers 10mph lower than it should. Everything
> > > that could
> > > effect the readings is stock (ie. wheel size, etc.). Is there an
> > > easy way to
> > > crank up the needle on the MPH dial?
> > >
> > > To whit: my old speedo needle sits at just below the 0 mph mark
> > > when the car
> > > is at rest. This "new" one  sits much lower when the vehicle is
> not
> > > moving,
> > > pointing directly towards the left hand side of the " _" (flat
> > > part) at the
> > > bottom of the the MPH dial. My other speedo points much higher up
> > > to the
> > > left side of the bottom "_" (flat part) of the dial when at rest.
> > >
> > > I don't want to take apart the instrument cluster (or even remove
> it,
> > > seriously!), because my problems started when replacing the
> > > ignition switch.
> > > The I-cluster is testy! I suppose I'm dreaming when it comes to a
> > > simple
> > > fix! LOL!
> > >
> > > Thought I'd throw it out there, though. . ..   :-)
> > >
> > > Solutions?
> > >
> > > Tom
> > > '95 S6 Avant (10 mph slower than the rest of ya!)
> > 
> > >
> > _______________________________________________
> > S-CAR-List mailing list
> > S-CAR-List at audifans.com
> > http://www.audifans.com/mailman/listinfo/s-car-list
> 
> 
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> 


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