Holly crap I feel like a total idiot for stearing you in the wrong direction. Check this out. Apparently 99-00 hx's are obd2a. Who would have thunk it? Idk. I just threw some of the other links on here for you as we'll. I don't want you car blowing up.
This is the thread about hx being obd2a
What is the difference between OBD2A and OBD2B? - ClubCivic.com - Honda Civic Forum
http://ff-squad.com/tech/ecu/ecu.plugs.jpg
This is the obd2a wiring
http://www.ff-squad.com/technet/wiri...schematics.gif
Obd2b (very different excluding hx's apparently)
http://www.ff-squad.com/technet/wiring.obd2b.htm