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:

Additional service when replacing ECM
Description When replacing ECM, the following procedure must be performed. PROGRAMMING OPERATION NOTE: After replacing with a blank ECM, programming is required to write ECM information. Be sure to follow the procedure to perform the programming. Work Procedure 1.CHECK ECM PART NUMBER Che ...

Structure and operation
TRANSAXLE TRANSAXLE : Cross-Sectional View 1. Converter housing 2. Oil pump 3. Counter drive gear 4. Control valve 5. Oil pan 6. Primary pulley 7. Steel belt 8. Secondary pulley 9. Planetary gear (auxiliary gearbox) 10. Side cover 11. Transaxle case 12. Differential case 13. Final gear ...

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