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Home >> Nissan-Datsun >> 2014 >> Versa Note S, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P1554: Battery Current Sensor >> Component Function Check
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Component Function Check

  1. PRECONDITIONING 

    TESTING CONDITION: 

    • Before performing the following procedure, confirm that battery voltage is more than 12.8V at idle. 
    • Before performing the following procedure, confirm that all load switches and A/C switch are turned OFF. 

      : GO TO 2.

  2. PERFORM COMPONENT FUNCTION CHECK 

    With CONSULT 

    1. Start engine and let it idle.
    2. Select "BAT CUR SEN" in "DATA MONITOR" mode with CONSULT.
    3. Check "BAT CUR SEN" indication for 10 seconds.

      "BAT CUR SEN" should be above 2, 300mV at least once. 

    Without CONSULT 

    1. Start engine and let it idle.
    2. Check the voltage between ECM harness connector and ground.
      ECM Ground Voltage
      Connector Terminal
      F11 58 (Battery current sensor signal) Ground Above 2.3V at least once

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".