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:

DTC/Circuit diagnosis
U0073 COMMUNICATION BUS A OFF DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes U0073 COMM BUS A OFF (Control Module Communication Bus A Off) TCM communication blockage lasts for 2 sec ...

VDC OFF Indicator lamp
Description Component Function Check 1.CHECK VDC OFF INDICATOR LAMP FUNCTION Check that VDC OFF indicator lamp in combination meter turns ON for approximately 2 seconds after ignition switch is turned ON. Is the inspection result normal? YES >> Inspection End. NO >> Proc ...

Power generation voltage variable control system
System Diagram System Description Power generation variable voltage control system has been adopted. By varying the voltage to the generator, engine load due to power generation of the generator is reduced and fuel consumption is decreased. NOTE: When any malfunction is detected in the ...

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