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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS) (5 OF 6)DTC/CIRCUIT DIAGNOSISDTC P1554: BATTERY CURRENT SENSORCOMPONENT INSPECTION (MAIN BATTERY CURRENT SENSOR)
2024 Nissan-Datsun Frontier SL, RWD

Component Inspection (Main Battery Current Sensor)

2024 Nissan-Datsun Frontier SL, RWDSECTION Component Inspection (Main Battery Current Sensor)
  1. CHECK BATTERY CURRENT SENSOR 
    1. Turn ignition switch OFF.
    2. Disconnect main battery negative cable.
      GNSDB110293Courtesy of NISSAN NORTH AMERICA, INC.
    3. Install jumper cable between main battery negative terminal and body ground.
    4. Turn ignition switch ON.
    5. Check the voltage between ECM harness connector and ground.
      ECM Voltage (Approx.)
      Connector + -
      Terminal
      F78 56 (Battery current sensor signal) 29 (Sensor ground) 2.5 V*

      *: Before measuring the terminal voltage, confirm that the main battery is fully charged. Refer to Work Flow .

    Is the inspection result normal?

    >>

    INSPECTION END

    >>

    Replace battery current sensor. Refer to Removal and Installation .

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.