Nissan Versa (N17): 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:

Noise, vibration and harshness (NVH) troubleshooting
NVH troubleshooting Chart Locate the area where noise occurs. Confirm the type of noise. Specify the operating condition of engine. Check specified noise source If necessary, repair or replace these parts. Location of noise Type of noise Operating condition of ...

Electric ignition system
ELECTRIC IGNITION SYSTEM : System Diagram ELECTRIC IGNITION SYSTEM : System Description INPUT/OUTPUT SIGNAL CHART Sensor Input signal to ECM ECM function Actuator Crankshaft position sensor (POS) Engine speed*3 Piston position Ignition timing control Igni ...

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