Nissan Sentra Service Manual: How to read wiring diagrams
Connector symbols
Most of connector symbols in wiring diagrams are shown from the terminal
side.
Connector symbols shown from the terminal side are enclosed by
a single line and followed by the direction mark.
...
Other materials:
OIL
Description
MAINTENANCE OF OIL LEVEL
The compressor oil is circulating in the system together with the
refrigerant. It is necessary to fill compressor
with oil when replacing A/C system parts or when a large amount of refrigerant
leakage is detected. It is important
to always maintain oil l ...
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 &g ...
AM radio reception
AM signals, because of their low frequency, can
bend around objects and skip along the ground.
In addition, the signals can be bounced off the
ionosphere and bent back to earth. Because of
these characteristics, AM signals are also subject
to interference as they travel from transmitter
to r ...
