Jdm b16a2 is obd1
usdm or jdm b16a3 is obd2

b16a2=92-95 jdm civic
b16a3=96-97 usdm delsol,99-00 jdm or usdm civic si

I'm not 100% sure if this is correct but you may want to check out the hybrid page. http://tech.hybridgarage.com