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Old 04 Oct 2009, 09:54 am
TomP
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Default Re: Honda Civic Speedometer not working after replacing VSS

Teresa wrote:

> I have a 1994 Honda Civic Ex automatic coupe.
>
> About 3 years ago my check engine light came on and my speedometer
> would only work once in awhile (everything else on the instrument
> panel worked fine). It would randomly start working and then randomly
> stop working while driving. I replaced the VSS and the check engine
> light went off and the speedometer worked once again.
>
> A few months ago the speedometer started acting up once again, only
> this time the check engine light did not come on. Initially I
> purchased a rebuild VSS so I thought maybe that was the issue so I
> replaced the VSS once again with a brand new one. It is still only
> working randomly after installing a new VSS.
>
> Any ideas on what this could be? I don't seem to have any other issues
> with the car other than the speedometer not working.
>
> Thanks..


The symptom you describe above could be caused by the following:
1. faulty power or ground system for the meter itself
2. increased resistance in the VSS circuit; between the meter and the
VSS. (Because you say there is no MIL on or DTC stored, a short to power
or ground on that circuit is unlikely.)
3. faulty meter


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