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Home >> Infiniti >> 2022 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostics) (1 Of 2) >> Component/Circuit Diagnosis >> Battery Current Sensor >> Component Inspection
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Component Inspection

  1. CHECK BATTERY CURRENT SENSOR 
    1. Turn ignition switch OFF.
    2. Reconnect harness connectors disconnected.
    3. Disconnect battery negative cable.
      GNSJPBIA3287Z-287Courtesy of NISSAN NORTH AMERICA, INC.

      SYMBOL : To body ground

    4. Install jumper cable between battery negative terminal and body ground.
    5. Turn ignition switch ON.
    6. Check the voltage between ECM harness connector terminals under the following conditions.

      ECM

      Voltage (V)

      Connector

      +

      -

      Terminal

      Terminal

      F91

      38

      (Battery current sensor signal)

      43

      Approx. 2.5

      Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to How To Check .

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace battery negative cable assembly.