SELF-DIAGNOSIS SYSTEM AND SELF-DIAGNOSIS METHOD OF VEHICLE

摘要

PROBLEM TO BE SOLVED: To determine whether a component is normal, faulty, or off-normal, and suppress unnecessary inspection or repair of the component that is off-normal and can be restored to a normal state.SOLUTION: A self-diagnosis system 20 of a vehicle that diagnoses by itself whether a sensor 11 (component) included in a vehicle 10 has an abnormality includes state recording means 22 that records sensor information J1 (component data) concerning the sensor 11 (component), and determination recording means 23 that determines whether the sensor 11 is normal, faulty, or off-normal and records the determination. Owing to the configuration, unnecessary inspection or repair of the sensor 11 that is off-normal and can be restored to a normal state can be suppressed.