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:

Malfunction indicator lamp
Component Function Check 1.CHECK MIL FUNCTION Turn ignition switch ON. Make sure that MIL lights up. Is the inspection result normal? YES >> INSPECTION END NO >> Go to EC, "Diagnosis Procedure". Diagnosis Procedure 1.CHECK DTC Check that DTC UXXXX is not display ...

Component parts
Component Parts Location 1. Crash zone sensor 2. Front door satellite sensor LH 3. Spiral cable 4. Front passenger air bag off indicator 5. Front LH seatbelt pre-tensioner Side air bag satellite sensor LH 6. Air bag diagnosis sensor unit 7. Front LH side air bag module 8. Seat belt buckle ...

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