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Home >> Nissan-Datsun >> 2014 >> Juke SL, FWD, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0441 To P1212 >> DTC P0507: ISC System >> Diagnosis Procedure

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 error-detected parts.

  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: Replace ECM. Refer to "REMOVAL AND INSTALLATION ".

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