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Home >> Nissan-Datsun >> 2017 >> Quest SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (3 Of 3) >> DTC / Circuit Diagnosis >> DTC P1554: Battery Current Sensor >> Component Function Check >> Diagnostic Test
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Diagnostic Test

  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 STEP 2. 

  2. PERFORM COMPONENT FUNCTION CHECK

    G-20With 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. 

    G-21Without CONSULT 

    1. Start engine and let it idle.
    2. Check voltage between ECM harness connector terminals under the following conditions.
      ECM Voltage (V)
      Connector + -
      Terminal Terminal
      F8 69
      (Battery current sensor signal)      		 64
      (Sensor ground)      		 Above 2.3 at least once

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Proceed to DIAGNOSIS PROCEDURE 

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