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Home >> Infiniti >> 2008 >> G35 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS P0850 Through P2A03 >> 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-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, 300mV at least once. 

    Without CONSULT-III 

    1. Start engine and let it idle.
    2. Check the voltage between ECM harness connector and ground.
      TERMINALS VOLTAGE REFERENCE

      ECM Ground Voltage
      Connector Terminal
      F102 91 (Battery current sensor signal) Ground Above 2.3V at least once

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDURE ".