Nissan Altima Owners Manual: Manual operation
Fan speed control
Press the fan control buttons 
to
manually
control the fan speed.
Press the AUTO button to return to automatic control of the fan speed.
Air recirculation
Press the 
air recirculation
button to recirculate
interior air inside the vehicle. The 
indicator light on the button will come on.
The air recirculation cannot be activated when
the air conditioner is in the 
front
defrosting
mode or the 
front defrosting and
foot outlet
mode.
Fresh air intake
Press the 
fresh air intake button
to draw
outside air into the passenger compartment.
The 
indicator light on the button
will come
on.
Air flow control
Pressing the MODE button manually controls air
flow and selects the air outlet:
— Air flows from center and side
vents.
— Air flows from center and side
vents and foot outlets.
— Air flows mainly from foot
outlets.
— Air flows from defroster and foot
outlets.
To turn system off Press the OFF button.
Rear window and outside mirror (if so equipped) defroster switch For more information about the rear window and outside mirror (if so equipped) defroster switch, see “Rear window and outside mirror defroster switch” in the “Instruments and controls” section of this manual.
Automatic operation
Cooling and/or dehumidified heating
(AUTO)
This mode may be used all year round as the
system automatically works to keep a constant
temperature. Air flow distribution and fan speed
are also cont ...
Operating tips
● When the engine coolant temperature and
outside air temperature are low, the air flow
from the foot outlets may not operate for a
maximum of 150 seconds. However, this is
not a malfunction ...
Other materials:
Air mix door motor
Description
SYSTEM DESCRIPTION
Component Parts
Air mix door control system components are:
• Front air control
• Air mix door motor (LCU)
System Operation
The front air control receives user inputs through its various dials and
switches. The front air control sends air
mix door, mode d ...
Refrigeration system
Component
1. Heater and cooling unit assembly
2. High-pressure pipe
3. High-pressure A/C service valve
4. Junction pipe
5. High-pressure flexible hose
6. Condenser and liquid tank
7. Air deflector RH (QR25DE shown,
VQ35DE similar)
8. Air deflector LH (QR25DE shown,
VQ35DE similar)
9. R ...
NISSAN Intelligent Key®
Your vehicle can only be driven with the Intelligent
Keys which are registered to your vehicle’s Intelligent
Key system components and NISSAN Vehicle
Immobilizer System components. As many
as 4 Intelligent Keys can be registered and used
with one vehicle. The new keys must be registered
by a ...
