One of the main ways to know if your car is OBD1 or OBD2 is by the year that it was manufactured.
Starting in 1996 OBD2 was required to be used by all manufacturers.
So if your car is from before 1995 or older, it most likely has an OBD1.
Whereas OBD2 scan tools can be used on any car that is OBD2.
Where is my car OBD port?
The OBD-II port is usually located under the dashboard, beneath the steering wheel column (1 – 3 in the diagram below). If not located beneath the steering column, look for the port in the areas indicated by numbers 4 – 9. For additional info, check out these Hum FAQs.
Does every car have an OBD port?
Virtually every new car sold in the U.S. over the past 20 years follows the OBD II standard. OBD II cars have a port — usually located under the dashboard on the driver’s side — that devices can plug into and connect to a car’s computer.
What cars are compatible with obd2?
List of Compatible OBD2 and ELM 327 Vehicles Tested
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Photo in the article by “Wikimedia Commons”