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".
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:
Key interlock cable
Exploded View
Shift selector assembly
Clip
Key interlock cable
Clip
Key cylinder
Removal and Installation
REMOVAL
CAUTION:
Always apply the parking brake before performing removal and
installation.
Remove the steering column cover, and the instrument lower panel LH.
R ...
P0451 EVAP Control system pressure sensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0451
EVAP SYS PRES SEN
(Evaporative emission system
pressure sensor/switch range/
performance)
ECM detects a sloshing signal fro ...
Event Data Recorders (EDR)
This vehicle is equipped with an Event Data Recorder
(EDR). The main purpose of an EDR is to
record, in certain crash or near crash-like situations,
such as an air bag deployment or hitting a
road obstacle, data that will assist in understanding
how a vehicle’s systems performed. The EDR
is ...
