the nissan ecu

Paul Raley raleyp at UDel.Edu
Thu Oct 16 12:25:14 GMT 1997


I don't have any files per say.  I've gathered alot of info on the motorola
6802 chip including a simulator and pinout stuff.  Next I need to read
whats going on in theECU while operating.

Paul

Ashok Balasubramanian wrote:

> Hey do you have any ECU files for the nissans??
> if you want we can trade..
>
> Paul Raley wrote:
>
> > I've been rooting around in the archives and have come up with some
> > great info, but I need more.  I gathered that the Hitachi 40pin chips
> > in
> > the ecu were basically Motorola?  The part numbers,
> > 1)   HD6802WP
> > 2)  HD46510P
> > I gather the first one is a MC6802 (this is not the same as the
> > MC68020,
> > right? still learning designations), the second one I have no clue as
> > of
> > yet.  My intentions are to be able to reprogram the ECU, and I'm
> > learning as I go (baby steps).
> > The vehicle is a 86 300zx turbo (with upgraded compressor and
> > intercooler-what fun!!).  Can I purchase sockets for each chip and
> > solder them in place easily?
> > Does anyone have recommendations as to what direction I should go to
> > learn how to read the maps?
> > So far, I've found the instruction set summary for the 6802, and
> > couldn't find anything at Motorola's site.
> >
> > Thank You,
> > Paul Raley






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