To provide a failure diagnostic device capable of identifying a true failed portion for a short time without depending on experience of a mechanic.SOLUTION: A failure diagnostic device 10 for making a failure diagnosis on the basis of a failure code (DTC) recorded in an electronic control unit (ECU 82) of a vehicle 80 includes: a storage section 16 for storing system information 34 indicating systems of a plurality of failure codes related with each other; an identification section 22 for identifying a true failure code on the basis of the system information when the plurality of failure codes are recorded; and an output section (display section 18) for outputting an identification result obtained by the identification section 22.SELECTED DRAWING: Figure 2

    【課題】整備士の経験に左右されることなく短時間で真の故障箇所を特定することができる故障診断装置を提供する。【解決手段】本発明は、車両80の電子制御装置(ECU82)に記録される故障コード(DTC)に基づいて故障診断を行う故障診断装置10であって、互いに関連する複数の故障コードの系統を示す系統情報34を記憶する記憶部16と、複数の故障コードが記録される場合に、系統情報に基づいて真の故障コードを特定する特定部22と、特定部22の特定結果を出力する出力部(表示部18)と、を備える。【選択図】図2


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    Title :

    FAILURE DIAGNOSTIC DEVICE


    Additional title:

    故障診断装置


    Contributors:

    Publication date :

    2020-04-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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