Nissan Altima (L34) 2019-2024 Owners Manual: Variable voltage control system
CAUTION
Do not ground accessories directly to
the battery terminal. Doing so will
bypass the variable voltage control
system and the vehicle battery may
not charge completely.
Use electrical accessories with the
engine running to avoid discharging
the vehicle battery.
Your vehicle is equipped with a variable
voltage control system. This system measures
the amount of electrical discharge
from the battery and controls voltage generated
by the generator.
The current sensor is located near the battery
along the negative battery cable. If you
add electrical accessories to your vehicle,
be sure to ground them to a suitable body
ground such as the frame or engine block
area.
Drive belt
Automatic tensioner pulley
Generator pulley
Water pump pulley
Air conditioner compressor pulley
Crankshaft pulley
WARNING
Be sure the ignition switch is in the OFF
or LOCK position before servicing drive
belt. The engine could rotate unexpectedly.
1. Visually inspect the belt for signs of unusual
wear, cuts, or fraying. If the belt is in
poor condition, have it replaced. It is recommended
that you visit a NISSAN
dealer for this service.
If the battery is labeled "do not open" it is
maintenance free and battery fluid
should not be checked. It is recommended
that you visit a NISSAN dealer or
a qualified specialist workshop to co ...
Replacing spark plugs
Iridium-tipped spark plugs
It is not necessary to replace iridium-tipped A
spark plugs as frequently as conventional
type spark plugs because they
last much longer. Follow the m ...
Battery
Spark plugs