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Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component Parts/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.
      GNSDB148325Courtesy of NISSAN NORTH AMERICA, INC.
    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 as per the following.
      ECM Voltage
      (Approx.)
      + -
      Connector Terminal Connector Terminal
      F143 56
      (Battery current sensor signal)      		 F143 29 2.3 V

      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.

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