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Home >> Nissan-Datsun >> 2019 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (1.8L) (3 Of 4) >> DTC/Circuit Diagnosis >> DTC P1554: Battery Current Sensor >> Component Function Check

Component Function Check

  1. PRECONDITIONING 

    TESTING CONDITION:

    • Before performing the following procedure, confirm that battery voltage is more than 12.8 V 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 of "ENGINE" using CONSULT.
    3. Check "BAT CUR SEN" indication for 10 seconds.

      "BAT CUR SEN"

      : above 2, 300 mv at least once

    SYMBOL Without CONSULT

    1. Start engine and let it idle.
    2. Check the voltage between ECM harness connectors.

      ECM

      Voltage

      Connector

      +

      -

      Terminal

      F25

      63

      62

      Above 2.3 V at least once

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Proceed to Diagnosis Procedure .