Thread: PCI and OBD
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Old 02-16-2006, 05:10 PM   #2
unixxx
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Join Date: Sep 2005
Location: CA, USA
Posts: 73
It seems that my vehicle's PCI bus extends the J1979 message standard (the J1979 standard has a 3 byte message header and has no in-frame response bytes):

Messages Header (1-3 bytes)
Data Bytes (multiple bytes)
Cyclic Redundancy Check (1 byte)
In-Frame Response (multiple bytes)
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Intel Pentium M Dothan 750 1.8GHz 533MHz 2MB
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