GM ALDL interface

Terryk terryk at foothill.net
Tue Dec 9 03:22:00 GMT 1997


Good info!

Yes, we just call it baud as a habit. But the parallel port solution turned
out to be the best.


TK

----------
> From: Seanster <3sm79 at qlink.queensu.ca>
> To: diy_efi at esl.eng.ohio-state.edu
> Subject: Re: GM ALDL interface
> Date: Monday, December 08, 1997 9:34 AM
> 
> Hi folks. Sorry I wasnt paying attention already. I have created a web
page
> about the 160 bits/sec GM C3I ecu format.
> 
> Back in September I gathered all the information I could find on the net
and
> wrote a simple basic program to read off the aldl connector via parallel
port.
> 
> All the information I had I put on a web page.
> 
> http://qlink.queensu.ca/~3sm79/scantool/
> 
> My program is really, really lame but I was in a big hurry, and it worked
:)
> 
> PS. 160 baud is incorrect and misleading. The ecu output is raw digital
data,
> and it's just 160 bits per second, or 160 bps. There is a difference when
it
> comes down to implementation. I'm sure some will try to argue... :)
> 
> -Sean



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