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:

EVAP canister
Exploded View 1. EVAP control system pressure sensor 2. O-ring 3. EVAP canister 4. Hose clamp 5. EVAP canister purge hose 6. EVAP vent line 7. O-ring 8. EVAP canister vent control valve 9. EVAP canister vent control valve hose A. Mount to vehicle bracket Removal and Installation NOTE: ...

Component parts
CVT CONTROL SYSTEM CVT CONTROL SYSTEM : Component Parts Location 1. IPDM E/R 2. TCM 3. Transmission range switch 4. Primary speed sensor 5. CVT unit 6. Output speed sensor 7. Secondary speed sensor 8. G sensor 9. Stop lamp switch 10. CVT shift selector 11. Overdrive control switch 12. Combi ...

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