LT1 Prom editor project!
Roger Heflin
rah at horizon.hit.net
Mon Feb 8 15:49:12 GMT 1999
On Mon, 8 Feb 1999, Kurek, Larry wrote:
> >
> > Steve,
> > I have already started it in Visual Basic 6.0. I am
> > making it table driven. At
> > this point The tables are only internal. I need to see if I
> > can come up with
> > generic enough displays to fit all years of LT1 ie 93-97. If
> > I can make it
> > completely table driven I may spend the time to define the
> > tables and make them
> > loadable. The PCM's with transmission control have a lot of
> > tables and scaling
> > factors. If I were trying to just do a hex edit it would be
> > easy. I want to
> > present values in understandable units, and the Hex value.
> > Even Table graph's
> > where it makes sense.
> >
> > Ken
> >
>
> FWIW, the EEPROM ECM's were only used on 94-97 (LT1's...LS1's are a
> different beast...), and the 94-95 were OBDI and the 96-97 were OBDII. As I
> am sure you know, the LT1 was first used in 92 in the Vette's and the 92-93
> used a removable PROM carrier, similiar to the previous generation ECM's.
> Finally, the electronically controlled transmissions appeared in 94 as well,
> so I assume the 94+ auto flash was significantly different than the 6speed
> flash. Perhaps it would make more sense to disassemble a 6speed flash,
> interpret it, and then go ahead with an auto?
>
> TTYL!
So far I believe we have people working a 93 A4 (me), and a 94-95 A4,
I don't think anyone on the team has a manual. The 93 only has TCC
control through the ECM, though it does know what gear the car is in.
Roger
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