Nissan Sentra 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.
Automatic intake air control
In the AUTO mode, the intake air will be controlled
automatically. To manually control the intake
air, press the 
air recirculation
button.
To return to the automatic control mode, press
and hold 
the air recirculation
button or
press and hold 
the fresh air
intake button
for about 2 seconds. The indicator lights (both air
recirculation and fresh air intake buttons) will
flash twice, and then the intake air will be controlled
automatically.
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 (if so equipped) defroster switch” in the “Instruments and controls” section of this manual.
Automatic operation
Heating (A/C OFF)
The air conditioner does not activate. When you
need to heat only, use this mode.
Press the A/C button. (A/C OFF will be
displayed and A/C indicator will turn off.)
Use the ...
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:
Low tire pressure warning lamp does not turn on
Low Tire pessure Warning Lamp Does Not Come On When Ignition Switch Is
Turned On
Note:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display t ...
Additional service when replacing ecm
Description
When replacing ECM, the following procedure must be performed. (For details,
refer to EC-135, "Work Procedure".)
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform t ...
P0122, P0123 TP Sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0122 or P0123 is displayed with DTC P0643, first perform the
trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible caus ...
