AAN ECU Internal Schematic

[Richard J Lebens]

For some reason the internal design of this type of thing is a closely
guarded secret.

I know it won't do you any good (911 DME) but look at what this guy
did.  It sounds like he took a beeper and traced out the schematic
manually.  Could you imagine how long that would take.  Maybe you and
several other 20vT buds could split it up and reverse engineer it and
post it on the Internet.

http://frwilk.com/944dme/ then to Download schematic



--- fdekat <fdekat at sentex.net> wrote:
> Hello Mihnea:
>
> I suspect that you are correct.
> However, I'm looking at repairing an ECU that had a 'catastrophic
> failure',
> rather than reprogramming...
>
> Regards,
>
>   -Frank de Kat-
>
> --- Mihnea Cotet <mik at info.fundp.ac.be> wrote:
> > Frank,
> >
> >
> > IMHO, finding information on how to program the ECU's chips is
> easier than
> > finding an internal schematic, of whatever 20vt ECU...
> >
> > Good luck though, maybe someone has this for you (and I'd like to
> have a
> > copy thereof myself as well in this case)
> >
> > Cheers,
> >
> > Mihnea
> >
> >
> > At 19:38 17/03/2003 -0500, Frank de Kat wrote:
> > >--
> > >
> > >Hello All:
> > >
> > >I'm trying to find a schematic diagram of the INTERNAL circuitry
> of the
> ECU
> > >used on the 1993-1997
> > >
> > >S4/S6 models, for the AAN code motor (No distributor).
> > >
> > >Not a diagram showing how the ECU is hooked up, but the schematic
> of the
> > >internals of the ECU itself.
> > >
> > >Any thoughts as to where one may find such a diagram?
> > >
> > >
> > >
> > >
> > >Regards,
> > >
> > >Frank de Kat
>


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