Re: 749 question(s)

[Steven Ciciora <ciciora@Ciciora.com>]

The latest Circuit Cellar Inc mag. has just the article for you.  See
http://www.circuitcellar.com.

- Steve

On Sun, 1 Oct 2000, Lou wrote:

> 
>   Is there anywhere that I can get information on OBD-II communications?
> I would like to build an OBD-II to rs232 interface, and monitor my car's
> info. I have seen lots of products for sale that do this, but being an
> engineer geek, I want to understand exactly how OBD-II communications work.
> Is it RS-232 UART framing? Is it synchronous data like a T-1  Is there a set
> of
> (standard) commands, like "give me water temp" "adjust O2 calibration"
> and things like that. Basically, Where can I get info to learn this stuff? I
> hit
> the SAE web page, but they want to charge $$ for the standards, and
> having read ICD's before, I know how useless the can be sometimes,
> So, I put the question to you folks, the undisputed experts in reverse
> engineering automotive fuel systems.
> 
>   Any help or links would be greatly appreciated.
> 
>   Thanks !!!
> 
>   ---Lou
> 
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