Well, yes, but see this web site:
http://www.obdii.com/connector.html
Unfortunately, different manufacturers use different protocols.
Josh
DOUG GILL 383-4291 wrote:
>
> I wrote:
> >>>All OBD-II vehicles use the same connector and you cannot flash
> >>> an OBD-II diagnostic trouble code (DTC). For example, P0300 is
> >>> a misfire code and the cars can't flash a "P".
> >>>
> >>> Mumbles
>
> KeS wrote:
> >> A) You're wrong. There are at least two common OBD-II
> >> connector configurations.
>
> Josh wrote:
> >They are actually all the same connector, but have different
> > pinouts. How silly. So much for standards.
>
> Well, actually, pins 2, 4, 5, and 16 are standardized.
> Pin 2 is the ECM/PCM data.
> Pin 4 is chassis ground.
> Pin 5 is signal ground to the ECM/PCM.
> Pin 16 is battery power.
>
> With the wide part of the connector at the top, the pins are
> numbered L-R 1-8 and the narrow part on the bottom is numbered L-R
> 9-16.
>
> \ 1 2 3 4 5 6 7 8 /
> \9 10 11 12 13 14 15 16/
>
> The other pins are manufacturer specific.
>
> Mumbles
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