ALDL, again

[Ward Spoonemore]

Check out http://www.geocities.com/MotorCity/Shop/9938/
Ward

-----Original Message-----
From: owner-diy_efi at efi332.eng.ohio-state.edu
[mailto:owner-diy_efi at efi332.eng.ohio-state.edu]On Behalf Of
ECMnut at aol.com
Sent: Tuesday, March 02, 1999 7:44 PM
To: diy_efi at efi332.eng.ohio-state.edu
Subject: Re: ALDL, again


Allow me;
 GMC Syclone ECM, 1227749, 8192 baud, BC code is AYBM-4052
I have the same .
HTH  Mike V

> Most likely you are unaware that GM has around a hundred different diag
data
>  standards, There are four different data xmission standards, including
OBD
>  II. perhaps is you stated your needs ..... ECM P/N, and or broadcast code
>  ...
>  Ward
>
>  -----Original Message-----
>  From: owner-diy_efi at efi332.eng.ohio-state.edu
>  [mailto:owner-diy_efi at efi332.eng.ohio-state.edu]On Behalf Of Barry
>  Tisdale
>  Sent: Monday, March 01, 1999 7:23 PM
>  To: diy_efi at efi332.eng.ohio-state.edu
>  Subject: ALDL, again
>
>
>  Still working on the ALDL / PC thing.  I've gotten *several* copies of
the
>  GM paper on the diagnostic link; all are probably from the same source,
way
>  back when, as they all contain the same typos and inaccuracies.
>
>  Has anyone actually 'decoded' the actual data, i.e., converted the raw
data
>  into meaningful information?  Some of the calcs given in the GM paper are
>  just plain wrong.  Lots of data acronyms have no references elsewhere in
the
>  paper; I can only guess @ what's intended.  Some are obvious, many are
>  cryptic.
>
>  Anybody gone through this?  I'd like to help / collaborate w/ anyone on
>  this; hardware to get the data from ALDL to COM port is easy, works well.
>  Software to capture & log the data doesn't require a genius (after all, I
>  did it in QuickBasic).  Trouble is, "what do it all mean..."?
>
>  Any help *very* gladly accepted - thanks - Barry
>