i have honda Preludia, in inside i put ingine accord 2.2 h22a ,2001 years.
and 3 weeks ago i bought ecu 37820-PCD-004 obd2b euro. from japan. ( they dont give me any pinout or datasheets.
so i just cant find a wiring
diagram anywhere as to how it is done, need help
Somebody please help me. if you have or you know something about it..

 

do a Google search for "honda obd2b pin out"

 

Try this out and see if you get any help from this. Good-luck on your wiring. http://www.ff-squad.com/technet/wiring.obd2b.htm