Hi Robert,

Yes it's for a Miata, more specifically an MX5 (they don't get called miata
over here)

It's a 2001 NB8B model, no wiring diagrams available unfortunately, I have
downloaded the NB8A wiring diagram from that site so hopefully it shouldn't
be too different.

Thanks for the pinout though, I hadn't been able to find one of them...

Regards

Liam

> -----Original Message-----
> From: Robert Ussery [SMTP:uavscience@FRII.COM]
> Sent: Wednesday, February 25, 2004 4:08 PM
> To:   PICLIST@MITVMA.MIT.EDU
> Subject:      Re: [EE]:Automotive Diagnostic Connector
>
> >-----Original Message-----
> >From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]
> >On Behalf Of Liam O'Hagan
> >Sent: Tuesday, February 24, 2004 4:47 PM
> >To: PICLIST@MITVMA.MIT.EDU
> >Subject: Re: [PICLIST] [EE]:Automotive Diagnostic Connector
> >
> >Hrmm I've just had a closer look at it and it doesn't appear to be an
> OBDII
> >connector....
> >
> >Here's an outline: http://www.miata.net/garage/images/diagpins.gif
>
> Are you working with a Miata? What year?
>
> I believe the diagram you linked to is the connector under the hood just
> above the left shock tower - definitely NOT an OBDII connector.
>
> Here's a photo of the actual connector:
> http://www.miata.net/garage/diag_cu.jpg
>
> The following page gives a detailed description of the pinout:
> http://members.iinet.net.au/%7Eple/
> The fourth page of this .pdf shows what they all connect to:
> http://www.madracki.com/miata/images/wiring/92diag.pdf
> (BTW, it looks like they have documentation for nearly all years... just
> change the "92diag.pdf" to "xxdiag.pdf", xx being your year.)
>
> While the connector on the page is from an MX-6, not a Miata, it is
> identical to the Miata's AFAIK, except that the Miata (my Miata, at least)
> doesn't have pins in all the positions (i.e., some connector holes are
> empty). In any case, I'm pretty sure the GND, TEN, and IG signals are in
> the
> same place.
>
> I'm not sure what you want to use the connector for, but here's a good
> description of how to get diagnostic codes out of it:
> http://www.miata.net/garage/faultcodes.html
>
>
> Later Miatas (>= 1996) DO have an OBDII connector, but it's located in the
> cockpit, under the dash on either the right or left side. It should be
> open,
> and fairly easy to see.
>
> - Robert
> Silver 1992 Miata :-)))
>
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