Nissan Versa (N17): Positive crankcase ventilation

Nissan Versa 2nd generation (N17) Service Manual / Engine / Engine control system (EC) / 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. Refer to EM, "Exploded View".

CHECK PCV VALVE

EVAP leak check

Inspection CAUTION: Do not use compressed air or a high pressure pump. Do not exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in EVAP system. NOTE: Do not start engine. Improp ...

Removal and installation

ECM Exploded View 1. ECM bracket 2. ECM  : Vehicle front Removal and Installation CAUTION: Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to EC-122, "Work Procedure". ...

Other materials:

Exhaust system
Exploded View 1. Heated oxygen sensor 2 2. Catalyst cover (upper) 3. Seal bearing 4. Catalyst cover (lower) 5. Spring 6. Spring 7. Mounting rubber 8. Main muffler 9. Ring gasket 10. Center muffler 11. Mounting rubber 12. Seal bearing 13. Exhaust front tube Removal and Installation WARNIN ...

Compressor does not operate
Description SYMPTOM Compressor does not operate. Diagnosis Procedure NOTE: Perform self-diagnosis with CONSULT before performing symptom diagnosis. If any malfunction result or DTC is detected, perform the corresponding diagnosis. Check that refrigerant system is fully charged. If t ...

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