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Home >> Nissan-Datsun >> 2010 >> Cube Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0181 To P0607 >> P0507 ISC System >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK PCV HOSE CONNECTION

    Confirm that PCV hose is connected correctly.

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Repair or replace.

  2. CHECK INTAKE AIR LEAK
    1. Start engine and let it idle.
    2. Listen for an intake air leak after the mass air flow sensor.

    Is intake air leak detected? 

    YES: Discover air leak location and repair.

    NO: GO TO 3.

  3. REPLACE ECM
    1. Stop engine.
    2. Replace ECM.
    3. Perform "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : SPECIAL REPAIR REQUIREMENT ".

    INSPECTION END

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