Re: What model ECM is this ?

[bearbvd@cmn.net (Greg Hermann)]

>Bruce, thanks for the reply ..
>
>Yes the ECM for the C4 Corvettes is in the engine bay.
>I cannot use my Diacom Plus because this is a pure race designed ZR-1
>and because of that G.M engineering removed the other processor (CCM) and
>all smog functions, etc. Thus no communcations via DLC connector, maybe a
>Tech I
>
>but not sure on that.
>Since the only part of the car that is stock is the frame and rear end,
>its hard
>to tell where all the
>parts like the ECM began life.
>
>John

Any chance it's one of the Delphi race units then??

Greg
>
>Bruce Plecan wrote:
>
>> Is there a series of numbers like 1228331, on a white paper tag on the
>> outside?.
>> Is this a water resistant ecm, as in mounted under the hood?.
>> Barring another opinion, I'd use the 1227730 info as a guide for what you
>> have...
>> The only way I know to actually absolutely verify what you think is going on
>> is to burn a chip, and try it with diacom+ running, or build a ecm bench.
>> Short cut to burning prom is a eprom emulator, but $$.
>> Grumpy
>>
>> | The ECM in my Snakeskinner ZR-1 Corvette has these numbers on the PCB
>> towards
>> | the end where E-prom sits.
>> | By barcode : 309023101908316
>> | Corner of PCB is : IE315 P-5
>> | More towards center : 61C315 P-8 ( I think its an 8 )
>> | So which model is it, what processor does it use ?
>> | Also I downloaded this disassembler off of the TunerCat website and I can
>> not
>> | tell if its disassembling correctly.
>> | Which proocessor do I choose and is there any thing I have to change in
>> the
>> | setup screen ?
>> | Can I tell if the output code is correct ?
>> | Thanks,
>> |              John Rovner