VIN Control method of VINVehicle Identification Number input system

摘要

The present invention relates to a control method of a VIN input system. A method of controlling a VIN input system according to an embodiment of the present invention includes: receiving, by an external diagnostic unit, vehicle specification information from a vehicle controller; determining, by the external diagnostic device, whether re-entry of the vehicle identification number assigned to the vehicle is permitted by using the vehicle specification information; transmitting, by the external diagnostic device, a first signal instructing input to a non-volatile memory allowing re-entry of the vehicle identification number to the vehicle controller when the vehicle identification number is permitted to be re-entered; and when re-entry of the vehicle identification number is not permitted, the external diagnostic device transmits to the vehicle controller the first signal and a second signal instructing an input to a nonvolatile memory in which re-entry of the vehicle identification number is not permitted. to do; may include.