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Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (8 Of 12) >> DTC/Circuit Diagnosis >> DTC P1557: Battery Temperature Sensor >> Component Inspection (Main Battery Temperature Sensor)
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Component Inspection (Main Battery Temperature Sensor)

  1. CHECK BATTERY TEMPERATURE SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect battery current sensor (Battery temperature sensor) harness connector.
    3. Check the voltage between battery current sensor harness connector terminals.

      Battery current sensor

      Continuity

      +

      -

      Terminal

      2

      3

      Continuity with the resistance value 100 Ohm or more

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace battery current sensor (Battery temperature sensor). Refer to Removal and Installation .