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:

NISSAN Intelligent Key (if so equipped)
WARNING Radio waves could adversely affect electric medical equipment. Those who use a pacemaker should contact the electric medical equipment manufacturer for the possible influences before use. The Intelligent Key transmits radio waves when the buttons are pressed. The FAA ad ...

P1715 Input speed sensor
Description ECM receives input speed sensor signal from TCM via the CAN communication line. ECM uses this signal for engine control. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. If DTC P1715 is displa ...

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