Re: EPROM burning

[rr <RRauscher@nni.com>]

Dan,

On the ftp server there is a file called tcc.lst. This is commented
code from a '730 v6 rwd bin.  It might cover some of your questions.

BobR.


Dan Plaskett wrote:

> Thanks Bruce,
>
> I have a better understanding now but still can't understand the 4 tables.
> The unlock vs mph I get.  If the TPS is above the table value the TCC
> unlocks, but what does the the Lock TPS vs mph do?  Does the TCC lock up
> unless the TPS is above that value?  Sorry to be so dense but I want to make
> sure I've got this right.  Any tips for figuring out values for the tables?
>
> Thanks
>
> Dan
>
> ----- Original Message -----
> From: "Bruce Plecan" <nacelp@bright.net>
> To: <gmecm@diy-efi.org>
> Sent: Friday, June 16, 2000 10:45 AM
> Subject: Re: EPROM burning
>
> >
> > > I'm using a 1227165 ECM. Need some help
> > > understanding the operation of the TCC.  Using the TunerCat software and
> > the
> > > $32 calibration I have read chips from TPIS, Hypertech, ADS, Stock 1986
> > > Corvette and a number of others.  I can't seem to make any sense out of
> > > disparate ways they handle the ECM Constant Fields, TCC Unlock (low
> > gears),
> >
> > What speed the TCC Unlocks when coasting.
> >
> > > TCC Lock (low gears),
> >
> > *normal* MPH it engages (non PE)
> >
> >  TCC Unlock (not low gears)
> >
> > High gear unlock when coasting
> >
> > , and TCC Lock (not low
> > > gears).
> >
> > When it locks in high gear MPH
> >
> > Also am having trouble understanding the TPS vs MPH tables for
> > > those 4.
> >
> > When in excess of that TPS value the ecm unlocks the TCC
> > Grumpy
> >
> >   Anybody that can provide some help in the way of an explanation of
> > > the theory or working of this part of the program?  Thanks,
> > >
> > > Dan Plaskett

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