I have the 1999 edition of SAE-HS3000 which contains the bulk of OBD-II
if anyone is interested. The only thing I don't have is ISO-9141-2
which describes the electrical characteristics of the connection from
the computer to the plug. Not a big problem as there are working
designs published on the internet for this relatively trivial part of
the whole OBD-II puzzle.
Think hard before you reply to this if wanting to borrow/buy my copy as
it is a very difficult read and about 250 pages...
Shane
jon@dakota-truck.net wrote:
>"Brian Fitchett" <fitchett@chem.utah.edu> wrote:
>
>: This is just a hypothetical question..... If you knew what pins in the plug
>: were for couldnt you just write a program in something like LabView (to make
>: programming easy and have pretty graphs to see everything)?? We use LabView
>: nearly exclusively in our lab (duh) for controlling our lasers,
>: potentiostats, various electronic gizmos..... just an idea.
>
>
> Yep, you could (and most of the aftermarket software packages
>available have graphing abilities), but unfortunately its not quite that
>simple due to the protocols used. I did some research on it because I
>was planning on building a code reader, but I ended up dropping the idea
>due to getting a headache reading up on all the differnet protocols,
>subprotocols, etc. It would probably have made more sense if I had
>purchased the official ISO manuals describing the standards, but I
>didn't want to spend a bazillion dollars for something that I wasn't
>even sure I wanted to do. :-)
>
>
>
>
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