Methods and systems are provided for diagnosing an intake air temperature sensor in a hybrid electric vehicle. An engine temperature is compared to each of an intake air temperature sensed before an engine start but after sufficient engine soak, as well as an intake air temperature sensed after selected vehicle operating conditions have elapsed since the engine start. Based on discrepancies between the air temperature and the engine temperature, degradation of the sensor is determined.


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    Title :

    Inlet air temperature sensor diagnostics


    Contributors:

    Publication date :

    2015-08-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F02B INTERNAL-COMBUSTION PISTON ENGINES , Brennkraftmaschinen mit innerer Verbrennung mit Verdrängerwirkung



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