Honda Motor Co., Ltd.
FAULT DIAGNOSIS DEVICE

Abstract:

Provided is a fault diagnosis device capable of identifying the true location of a fault in a short length of time, regardless of mechanic experience. The present invention is a fault diagnosis device that diagnoses faults on the basis of fault codes recorded in an electronic controller of a vehicle, the device comprising: a storage unit for storing system information representing a system of a plurality of fault codes that are related to each other; an identifying unit for identifying a true fault code on the basis of the system information when a plurality of fault codes are recorded; and an output unit for outputting the identification results of the identification unit.