ON-VEHICLE DEVICE, MANAGEMENT DEVICE, DETERIORATION DETERMINATION METHOD, CHANGE FACTOR DISCRIMINATION METHOD, ABNORMALITY FACTOR DISCRIMINATION METHOD, AND ABNORMALITY FACTOR DISCRIMINATION PROGRAM

摘要

This on-vehicle device is provided with: a measurement unit that measures a characteristic of a transmission path in an on-vehicle network mounted on a vehicle; an acquisition unit that acquires deterioration information related to deterioration of the transmission path corresponding to the characteristic measured by the measurement unit; and a determination unit that, on the basis of the characteristic measured by the measurement unit and the deterioration information acquired by the acquisition unit, determines the degree of deterioration of the transmission path.