By providing a universal terminal which includes hardware and an application which are both capable of automatically collecting controller area network (CAN) data of a vehicle from an on-board diagnostic version II (OBD-II) scanner or a connector regardless of vehicle types and a method thereof, anyone can obtain vehicle data regardless of vehicle types. The hardware of the terminal includes: a vehicle communication unit (10); a power determining unit (20); a protocol determining unit (30); a calculation/analysis determining unit (40); a database unit (50); a file storage unit (60); a file transmission unit (70); an external communication unit (80); and a display unit (90). In addition, the application includes a communication module, a determining module, a file management module, a security module, and a display control module.
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