Re: Speedo scaler

["nacelp" <nacelp@bright.net>]

That's what I needed to know, thanks
Grumpy

Subject: Re: Speedo scaler
> Grumpy,
> If you are asking what it does, The VSS signal puts out 40
> Pulses per driveshaft revolution. The Speedometer/odometer
> expects 4004 pulses per mile. The speedo scales do this math
> to get an accurate signal for the Speedo.
>
> Ken
>
> PCMdoc wrote:
> >
> > The actual calculations are in chips. What I did was set up a test bench
with a
> > fixed VSS going in, and changed each scaler as I plotted the results.
This let
> > me figure out how it worked.
> >
> >                 Ken
> >
> > nacelp wrote:
> > >
> > > That helps
> > > Scaling is giving different weights to valves for corrections, right?.
> > > Grumpy
> > >
> > > > Grumpy,
> > > > Don't quite know what your question is.
> > > >
> > > > In the 8051, there are several different scale factors used with the
VSS,
> > > There
> > > > are actually two different computers in the PCM. They have seperate
> > > Scaling
> > > > routines and very different ways of scaling. The Speedometer Scaling
is
> > > actually
> > > > seperate from the scaling for all of the internal Transmission
functions.
> > > >
> > > > Ken
> > > >
> > > > nacelp wrote:
> > > > >
> > > > > Can someone give me a clue about speedo scaler in a flask prom pcm
> > > means?.
> > > > > Grumpy
> > > > >
>

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