Re: Anyone worked with nissan maxima ECU's?

Jonathan:
If your ECU is an Australian or Japanese market car (non OBDII) I can
suck the ROM data out for you. I can't tell you how to do it as the
Consult protocol info costed me too much.

Martin:
The same for S13, S14, not sure about S15, R32, R33, z32

Tom

--- In opendiag@yahoogroups.com, "Martin S" <martin.sniedze@t...>
wrote:
> I have pulled my Maxima (A32) ECU apart before, just to see if it
> used standard Eproms, which it doesn't. It has a combined 16 bit
ROM
> with a few bytes of RAM, J lead SMD package.
> It is possible to remove it and read it, modify and burn another (I
> have a friend you makes a living from such). Nissan can suck the
rom
> data out using the Consult-II system. There is also a Japanese
system
> called GRID that can do it. Also some ECU's (age?) may have an
unused
> header on the PCB for a ROM expansion board. Similar to the late
S13
> (240SX).
>
> If your car is post 1996 US built then OBDII might be a possiblity.
> On the Australian and Japanese market car it is NOT. Not even
current
> cars (I've tried).
>
> If you do much Nissan tinkering contact me off list as I am in a
> closed Nissan EFI discussion group as well.
> Martin
>
> --- In opendiag@yahoogroups.com, Jonathan <alfsang@y...> wrote:
> > Has anyone here done any work with the nissan maxima
> > ecu's?
> >
> > I've seen articles where ppl de-solder the
> > micro-controller from the board and extract the
> > program for other cars.
> >
> > The problem here is a company named unisia jecs (I
> > think it's a subsidiary of Toshiba) created the nissan
> > maxima ECU and they pretty much sanitized the chip
> > names from every essential chip on the board. So I
> > have no idea who the chip makers are?
> >
> > My ideal goal is to learn to write to the ECU. I think
> > I will need to learn their pass thru or enhanced
> > OBD-II parameters to achieve this?? Nissan does this
> > with a unit they call the consult-II. Anyone who has
> > any ideas to get me started please feel free to
> > suggest.
> >
> > thanks
> >
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Received on Wed Jul 16 23:31:10 2003