New Prom

[Programmer]

Well...that's really just indicating that the "diagnostic system" is working
correctly. A code 12 really just indicates NO RPM signal yet--and should
flash
3 times--then flash any existing PCM codes. If the PROM is incorrect or even
missing, the CE flashes rapidly at KOEO without ALDL shorted.

Lyndon.
-----Original Message-----
From: Kevin Crain <kevin at warpten.com>
To: gmecm at diy-efi.org <gmecm at diy-efi.org>
Date: November 4, 2000 7:42 AM
Subject: Re: New Prom


>Seems like applying the 'ol ALDL jumper, moving the key to "RUN", and
observing the check eng light flashing "12" repeatedly indicates the ECM is
executing the .bin.
>
>Anyone disagree?
>
>-Kevin
>
>At 01:20 AM 11/4/00 -0600, you wrote:
>>>>>
>
>
>    What is the easiest way to tell if the new prom is being used? I have
successfully created my first chip (I think) and I just want to double check
before I head out with Diacom for tuning.
>
>    Dan - Newbie
>
>
>    <<<<
>
>
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