128838 ANFK ECM infos????

[Programmer]

Similarities in code, too ??

Lyndon.
----- Original Message -----
From: <WEG1192 at aol.com>
To: <gmecm at diy-efi.org>
Sent: Monday, July 23, 2001 5:17 PM
Subject: Re: 128838 ANFK ECM infos????


> << Volker wrote:
>  >
>  > -----BEGIN PGP SIGNED MESSAGE-----
>  > Hash: SHA1
>  >
>  > Hi folks!
>  >
>  > I've got an Isuzu Rodeo 1992 3.1l V6 which is being operated by a
>  > 122838 (ANFK) ECM (I don't know if it important but this one is
>  > controlling a Model 220 TBI).
>  >
>  > This ECM does have a 12 Pin GM connector with pins A, B and E
>  > connected (other connectors are missing).
>  >
>  > Does anybody have some information about that ECM? I'm highly
>  > interested in the serial data stream protocol at ALDL. Also I don't
>  > have any info at all whether or not this ECM is supporting the 160
>  > baud or 8192 baud interface (it's my guess that it's the 160 baud I/F
>  > because I found the pin E to drive the 160 baud line at all documents
>  > I found on the net).
>  >
>  > The same ECM has been widely used in GM cars (years 1988 to 1993 or
>  > so), for example Pontiac, Chevrolet and GMC cars should have the same
>  > ECM.
>  >
>  > Again, does anybody have some (or lots! *s*) information about it? I
>  > want to build a scan tool for it or find a working one but w/o any
>  > knowlegde of the device..... you know!?
>  >
>  > Thanks,
>  >
>  > Volker
>  >
>  > Volker    /    >>
>
> My Actron III scantool works with this ECM part # using the 1989 Camaro
5.0L
> setting. My dad has a 1991 Rodeo. What you may want to do is swap in a
> 1227747 for re-tuning. The pinouts are very nearly identical.
>
> JW
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