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Home >> Nissan-Datsun >> 2016 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 3) >> DTC/Circuit Diagnosis >> DTC P1554: Battery Current Sensor >> Component Inspection (Battery Current Sensor) >> Diagnostic Test
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Diagnostic Test

  1. CHECK BATTERY CURRENT SENSOR

    1. Turn ignition switch OFF.
    2. Reconnect harness connectors disconnected.
    3. Disconnect battery negative cable.
    4. Install jumper cable between battery negative terminal and body ground.
      Fig 1: Installing Jumper Cable Between Battery Negative Terminal And Body Ground
      G06933077Courtesy of NISSAN NORTH AMERICA, INC.
    5. Turn ignition switch ON.
    6. Check the voltage between ECM harness connector terminals.
      ECM Voltage
      (Approx.)
      Connector + -
      Terminal
      F25 63 62 2.5 V

      Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to HOW TO HANDLE BATTERY .

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace battery current sensor. Refer to REMOVAL AND INSTALLATION .

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