Nissan Juke Service and Repair Manual : Positive crankcase ventilation

Inspection

1.CHECK PCV VALVE

With engine running at idle, remove PCV valve from rocker cover. A properly working valve makes a hissing noise as air passes through it. A strong vacuum should be felt immediately when a finger is placed over valve inlet.

Is the inspection result normal? YES >> INSPECTION END

NO >> Replace PCV valve.

Removal and installation


    Evaporative emission system
    Inspection 1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections, chafing and deterioration. 2. Check EVAP canister as follows: a. Block port (B) ...

    Other materials:

    P2127, P2128 APP sensor
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test. 1. Turn ignition switch OFF and wait at least 10 seconds. 2. Turn ignition swit ...

    P0778 pressure control solenoid B
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE NOTE: If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before performing the next test. After the repair, perform the following procedure to confirm the ...

    Cooling fan
    Diagnosis Procedure 1.CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E38. Refer to Ground Inspection in GI-44, "Circuit Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2.CHE ...