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:

P0712 Transmission fluid temperature sensor A
DTC Logic DTC DETECTION LOGIC DTC Trouble diagnosis name DTC detection condition Possible causes P0712 Transmission Fluid Temperature Sensor "A" Circuit Low Under the following diagnosis conditions, the A/T fluid temperature identified by TCM is 180C (3 ...

Evaporator
Removal and Installation REMOVAL Remove A/C unit assembly. Refer to HA "Removal and Installation". Disassemble A/C unit assembly and the evaporator assembly. Remove thermo control amp. from evaporator assembly. CAUTION: If reusing the evaporator, mark the location of the the ...

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