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Sorry, can't help much. I'd do a general google search on "obd2 pin out diagram" to identify the different pins. The standard pre-2005 was ISO 9141 using the K/L lines for communication. If you do a search on your obd2 port not working, you may find someone who's debugged it in the past for the ISO 9141 standard vs. the CAN Bus standard (LVDS) used today.