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Home >> Nissan-Datsun >> 2009 >> Maxima SV >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1225 To P2A03 >> 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 12.8 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

    With CONSULT-III 

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

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

    Without CONSULT-III 

    1. Start engine and let it idle.
    2. Check voltage between ECM harness connector terminals under the following conditions.
    VOLTAGE SPECIFICATION

    ECM Voltage (V)
    Connector Terminal Terminal
    + -
    F13 42 (Battery current sensor signal) 44 (Sensor ground) Above 2.3 at least once
    Fig 1: Checking Voltage Between ECM Harness Connector Terminals
    G05869921Courtesy of NISSAN MOTOR CO., U.S.A.

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDURE "

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