OBDII finally in OZ?

[David A. Cooley]

I doubt it's OBD_II... you wouldn't be able to read it with just a plain
serial port hookup like the 8192 baud units use...


At 10:45 PM 6/23/99 +1000, you wrote:
>Hi All,
>
>        Well until last week I have been linking to all Australian late
>VR and VS PCM/ECM ecu's until this week. I hooked up the trusty laptop
>to a VT (which is the latest Holden Commodore)... I think it was
>released in 1997? Possibly later. Anyhow, I used the usual transmission
>codes of MSG_ID, MSG_LTH, MSG_MODE, ... message... and checksum as well
>as the usual theft deterrent codes present during operation. However
>such codes were not discovered, nor were compatible with this type of
>Vehicle. The transmission code is quite long, and continuous even during
>ignition off time. The code seems to "double-time", when ignition is
>turned on. I'm not quite sure if the transmission is set to 8192 nor
>sure about being possible OBDII or even the normal GM  protocol. Any
>help?
>
>This is what the transmission code looks like at 8192. (ignition turned
>off)
>A3, 11, 5C, FF, 40, 00, 00, 08, 00, 00, 4C, 08, 55, A3, 11, 5C, FF, 40,
>00, 00, 08, 00, 00, 4C, 08, 55 repeats...
>and at it's double rate when ignition turned on.
>11, 5C, FF, 40, 40, 00, 09, 00, 00, 0B, 08, 55, A3, 40, 58, FF, FF, FF,
>6B, 41, 63, 00, 00, 00, 49, 3C, 00, 04, 30, 00, 00, 00, 10, 07, 6B, 08,
>55, A3, 40, 58, 3D, 02, DC, 41, 63, 00, 00, 00, 49, 3C, 00, 21, 04, F0,
>00, 00, 10, 07, AB, 08, 55, A3, 40, 58, 3D, 4D, 02, DC, 41, 63, 00, 00,
>49, 3C, 00, 22, 05, F0, 19, 00, 00, 10, 07 repeats...
>Any suggestions?  Right baud rate?  Security Codes?  Any help?
>
>Note PCM : SERVICE NO 16234531   BCC CJDN-1927  PCB is marked "P8".
>
>Thanx guys.
>
>Andrew and Richard.
>

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           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
   Sponges grow in the ocean... Wonder how deep it would be if they didn't?!
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