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:

Hazard warning flasher switch
Push the switch on to warn other drivers when you must stop or park under emergency conditions. All turn signal lights flash. WARNING If stopping for an emergency, be sure to move the vehicle well off the road. Do not use the hazard warning flashers while moving on the highway unl ...

EVAP control system pressure sensor
Exploded View 1. EVAP control system pressure sensor 2. O-ring 3. EVAP canister Removal and Installation NOTE: The EVAP canister system pressure sensor can be removed without removing the EVAP canister. REMOVAL Remove the EVAP canister protector cover. Disconnect EVAP canister purg ...

Categories


© 2017-2025 Copyright www.niveguide.com
0.0052