OBDII Scan tool

[Jim Pearl]

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YES by all means tell me as much as you can bout the OBDII! There's been =
an argument in the FORDNATICS about OBDII - some fool said it would =
"pose no problem" and had no limp home mode (bull). From what I've read =
SEMA lost their court battle with the companies to force them to release =
data on the systems. I want to learn as much about it as I can before I =
end up with on e in the future..!

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>From: 	Markus Strobl[SMTP:eusmsrt at exu.ericsson.se]
Sent: 	Tuesday, January 02, 1996 4:49 PM
To: 	diy_efi at coulomb.eng.ohio-state.edu
Subject: 	OBDII Scan tool


With the new OBDII standard, automakers have to conform to a
standard interface, as well as release information about their
system so that third party companies can build scan tools and
diagnostic systems. Atleast that my understanding after reading
the EPA home page and my service manual ('96 Camaro Z28).

Has anyone heard of a scan tool for OBDII cars? Who makes it?
Price?=20

I'm dying to get into my PCM... There's no field service mode=20
anymore like to older GM cars, so a scan tool is imperative.

Also, I remember some discussion about hooking up a PC to
the DLC (new name for the aldl, dlc=3D data link connector).
Something about non-standard baudrate?? But someone succeded,
I think. Can anyone refresh my memory?

I know this isn't diy efi in the strictest sence, but learning=20
about the new factory system can only improve our own efis, right?

Thanks for any h elp.

BTW, if anyone is interested I dug up some info on the OBDII
misfire detection and how it's tied into the ABS system and
why some 96 jap cars only come with automatic transmissions=20
because of it. If there's interest I'll post.


Markus Strobl                 96 Z28 6M. Borla, !CAGS, PEG2, QLC, CD=20
                              1LE driveshaft, K&N, T, leather, Black
Dallas, Texas                 14.09 @99.40    ----    27.5mpg @85mph




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