A temperature sensor malfunction diagnosis apparatus is provided in a vehicle that includes a device, a refrigerant circuit, an electric pump, a battery, and a temperature sensor, and configured to diagnose malfunction of the temperature sensor. The temperature sensor malfunction diagnosis apparatus includes a pump driver and a malfunction diagnosis unit. The pump driver is configured to drive the electric pump after stopping of driving of the vehicle, on the basis of the battery as a power supply. The malfunction diagnosis unit is configured to perform a malfunction diagnosis of the temperature sensor, on a condition that a charged time reaches a temperature converging time of the temperature sensor while the electric pump is driven. The charged time is a time during which charging of the battery is performed from start of the charging of the battery.


    Access

    Download


    Export, share and cite



    Title :

    TEMPERATURE SENSOR MALFUNCTION DIAGNOSIS APPARATUS AND TEMPERATURE SENSOR MALFUNCTION DIAGNOSIS METHOD


    Contributors:

    Publication date :

    2020-10-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01K MEASURING TEMPERATURE , Messen der Temperatur / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR




    Malfunction diagnosis apparatus

    HISHINUMA YOSHIAKI / URUSHIZAKI NAOYUKI / SUGITA HIROKAZU et al. | European Patent Office | 2020

    Free access

    MALFUNCTION DIAGNOSIS METHOD AND MALFUNCTION DIAGNOSIS SYSTEM

    NAGASE TETSUYA | European Patent Office | 2016

    Free access

    MALFUNCTION DIAGNOSIS APPARATUS

    HISHINUMA YOSHIAKI / URUSHIZAKI NAOYUKI / SUGITA HIROKAZU et al. | European Patent Office | 2017

    Free access