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Home >> Nissan-Datsun >> 2024 >> Armada SL, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> Engine (ECM) >> DTC P1554: Battery Current Sensor >> Confirmation Procedure

Confirmation Procedure

  1. PRECONDITIONING 
    NOTE: Use Component Function Check to check the overall function of the battery current sensor circuit. During this check, a 1st trip DTC might not be confirmed.

    TESTING CONDITION:

    • Before performing the following procedure, confirm that battery voltage is 12.8 V or more 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
    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, 300 mV at least once.

    SYMBOL WITHOUT CONSULT

    1. Start engine and let it idle.
    2. Check the voltage between ECM harness connector terminals as per the following.
      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      F91 38
      (Battery current sensor signal)      		 43 Approx. 2.5

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Refer to DTC Diagnosis Procedure .

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