It looks like I will be using com0com or parts of it to make a Virtual COM port to emulate ELM327 commands through the j2534 interface. That will be my first step. Why emulate the ELM? Do you have existing code that works with ELM and you want to accomplish with J2534? An elm adapter should be fair...

Interesting project. Question, where do you source interface for $25? For wiring of the ecu, you will need to trace wiring diagram for that year, power + ground + switch, and hook up CanH and CanL. As for comm's id work on generic OBD first with your interface as thats pretty much the same for alot ...