.ecu/prom masks, some variants

Bruce Plecan nacelp at bright.net
Fri Jan 7 01:10:34 GMT 2000


You sure aboout the entry of 00?.
I've seen:
88  which is a 6 cyl variant
96  also 6 cyl
8D 8 cyl variant,
I just have TC Hac of 8D, so the rest is just "info.".
But, just splaining things for those that are new to the party.
At the TC webb site is a more complete listing of mask numbers.
Grumpy


| so, for the aujp variants the mask would
| be $8D. In the .ecu I have the mask id
| int he prom id section(winbin11) is  set
| equal to 0. what i am wondering is if
| the same tables in the same order are
| used in the'730 .bin's. if that is the
| case then all I would need to do is
| change the starting address locations in
| the .ecu file I have in order for it to
| match up correctly. if this is not the
| case-- where can i find a aujp or
| aujp1350.ecu file?
| thanks
| mike s.
|
|
| Bruce Plecan wrote:
| >
| > GM uses numerous different .bin files (code) for any given ecm..   For
the
| > 730s if you look at location 0008 that is the mask ID number.  The mask
is a
| > templete that when all the tables are laid out they line up with this..
| > Hence like in the 749 is one example where the 4 + 6 cylinder variants
| > (Syclone+Sunbird) use the same mask, but for very different applications
| > (Yet still both turbos).  On some apps., just going from F body to Y
Body
| > gets a new mask.
| > Grumpy
| >
|




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