no.
cars 95.5(i say 95.5 because there's some that are still obd1, some obd2) and up have obd2 ports.(this applies to most cars)
if you want to check some of the sensors in the car live, check/reset ecu codes and things like that though, you can use the nissan consult.
zerothread?id=160080 <<believe the guy still sells'em, not sure though so contact him, i bought mine from him and its really good quality, then just get some software(there's a link on 2nd page to some free software).