Nissan Sentra Service Manual: Exterior lighting system symptoms
Symptom Table
Caution:
Perform the self-diagnosis with consult before the symptom diagnosis. Perform the trouble diagnosis if any dtc is detected.
Normal operating condition
Description
Auto light system
The auto light system may not turn the headlamp ON/OFF immediately after passing a dark area or a bright area (short tunnel, sky bridge, shadowed area etc.). This is normal.
Both side headlamps do not switch
to high beam
Description
The headlamps (both sides) do not switch to high beam when the lighting
switch is in the hi or pass setting.
Diagnosis procedure
1.Combination switch (lighting and turn signal switc ...
Other materials:
Structure and operation
Positive Crankcase Ventilation
This system returns blow-by gas to the intake manifold.
The positive crankcase ventilation (PCV) valve is provided to conduct crankcase
blow-by gas to the intake
manifold.
During partial throttle operation of the engine, the intake manifold sucks the
bl ...
Headlamp (lo) circuit
Description
The ipdm e/r (intelligent power distribution module engine room) controls the
headlamp low relay based on
inputs from the bcm over the can communication lines. When the headlamp low
relay is energized, power
flows through fuses 43 and 44, located in the ipdm e/r. Power then flows ...
NISSAN Intelligent Key® (if so equipped)
Replace the battery in the Intelligent Key as follows:
Remove the mechanical key from the Intelligent
Key.
Insert a small screwdriver A into the slit B
of the corner and twist it to separate the
upper part from the lower part. Use a cloth to
protect the casing.
Replace the battery wi ...
