Nissan Sentra Owners Manual: Fog light switch (if so equipped)
To turn the fog lights on, turn the headlight switch
to the
position, then turn the
fog light
switch to the 
position.
If the headlight switch is in the AUTO position and the fog light switch is moved to the ON position, both the fog lights and the headlights (including all other outside lights) will turn on.
To turn the fog lights off, turn the fog light switch to the OFF position.
Using the fog light switch in AUTO mode forces the headlights to come on, even if the light sensor has not activated them. The fog lights automatically turn off when the high beam headlights are selected.
Turn signal switch
Turn signal
Move the lever up or down to signal the
turning direction. When the turn is completed,
the turn signal cancels automatically.
Lane change signal
To signal a lane change, ...
Horn
To sound the horn, push near the horn icon on the
steering wheel.
WARNINGDo not disassemble the horn. Doing so
could affect proper operation of the
supplemental front air bag system. ...
Other materials:
P0139 HO2S2
DTC Logic
DTC DETECTION LOGIC
The heated oxygen sensor 2 has a much longer switching time
between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen
storage capacity of the three way catalyst 1 causes the longer
switching time. To judge the malfunctions of heated oxygen sensor
2, ...
Main line between dlc and hvac circuit
Diagnosis Procedure
1.Check harness continuity (open circuit)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
Ecm
A/c auto amp.
Check the continuity between the data link connector and the a/c ...
Wiring diagram
Interior room lamp control system
Wiring diagram
Illumination
Wiring diagram
...
