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Home >> Nissan-Datsun >> 2010 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0643 To P2A00 >> P1554 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.
    4. Install jumper cable (A) between battery negative terminal and body ground.
      Fig 1: Identifying Battery Negative Terminal And Jumper Cable
      G05914673Courtesy of NISSAN MOTOR CO., U.S.A.
    5. Turn ignition switch ON.
    6. Check the voltage between ECM harness connector and ground.
    TERMINAL VOLTAGE REFERENCE CHART

    ECM Voltage
    Connector + -
    Terminal Terminal
    F8 58 (Battery current sensor signal) 68 Approx. 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 negative cable assembly.