Nissan Sentra manuals

Nissan Sentra Service Manual: 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 EC-15, "ENGINE CONTROL SYSTEM : Component Parts Location".

Removal and installation


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. Improper ...

Removal and installation
Ecm Exploded View ECM bracket ECM Engine mounting insulator bracket Removal and Installation CAUTION: Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to EC-135, "Work Pro ...

Other materials:

Troubleshooting guide
Symptom Possible Cause   When pushing the ignition switch to stop the engine The P (Park) warning light in the instrument panel illuminates and the inside chime sounds continuously. The shift lever is not in the P (Park) position. Make sure that the shift ...

C1120, C1122, C1124, C1126 ABS In valve system
DTC Logic Dtc detection logic DTC Display Item Malfunction detected condition Possible causes C1120 FR LH IN ABS SOL When a malfunction is detected in front LH ABS IN valve. Harness or connector ABS actuator and electric unit (control unit) ...

P0420 Three way catalyst function
DTC Logic DTC DETECTION LOGIC The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2. A three way catalyst (manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage c ...

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