How to figure out if a car can do the diagnostic by obd2 diagnostic tool

Are you asking if acertain scan tool will work with your car?Or are you asking something else?

there are 3 step you get to know if the your car can test by obd2 diagnostic tool
1. the year of vehicle , mostly after 1996
2. check out the System Information Label of your car
3. View the vehicle owner's manual or ask your dealer directly
Japanese