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Home >> Nissan-Datsun >> 2018 >> Versa Note S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 3) >> 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 

    SYMBOL 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.

    SYMBOL 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 .