Nissan Sentra B18 (2020-2025) Service Manual: System Setting
Temperature Setting Trimmer
Description
If the temperature felt by the customer is different than the airflow temperature controlled by the temperature setting, the auto amplifier control temperature can be adjusted to compensate for the temperature setting.
How to set
CONSULT
Select “TEMP SET CORRECT” in “Work support” mode of “HVAC”.
|
Work support items |
Display (°F) |
Display (°C) |
|---|---|---|
|
TEMP SET CORRECT |
6 |
3.0 |
|
5 |
2.5 |
|
|
4 |
2.0 |
|
|
3 |
1.5 |
|
|
2 |
1.0 |
|
|
1 |
0.5 |
|
|
0 (initial status) |
0 (initial status) |
|
|
−1 |
−0.5 |
|
|
−2 |
−1.0 |
|
|
−3 |
−1.5 |
|
|
−4 |
−2.0 |
|
|
−5 |
−2.5 |
|
|
−6 |
−3.0 |
-
When the temperature setting is set to 77°F (25.0°C) and −6°F (−3.0°C), the temperature controlled by auto amp. is 77°F (25.0°C) −6°F (−3.0°C) = 71°F (22.0°C) and the temperature becomes lower than the temperature setting.
-
When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of the difference between the temperature setting and control temperature may be cancelled.
Inlet Port Memory Function (fre)
Description
-
If the ignition switch is placed to the OFF position while the FRE (
) switch is set to ON (fresh air intake),
“Perform the memory” or “Do not perform the memory” of the FRE () switch
ON (fresh air intake) condition
can be selected. -
If “Perform the memory” was set, the FRE (
) switch will be ON (fresh air
intake)
when placing the ignition switch to the ON position again. -
If “Do not perform the memory” was set, the air inlets will be controlled automatically when placing the ignition switch to the ON position again.
How to set
CONSULT
Select “FRE MEMORY SET” in “Work support” mode of “HVAC”.
|
Work support items |
Display |
Setting |
|---|---|---|
|
FRE MEMORY SET |
WITHOUT |
Perform the memory of manual FRE |
|
WITH (initial status) |
Do not perform the memory of manual FRE (auto control) |
When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of the FRE switch memory function may be cancelled.
Inlet Port Memory Function (rec)
Description
-
If the ignition switch is placed to the OFF position while the REC (
) switch is set to ON (recirculation),
“Perform the memory” or “Do not perform the memory” of the REC () switch
ON (recirculation) condition
can be selected. -
If “Perform the memory” was set, the REC (
) switch will be ON
(recirculation) when
placing the ignition switch to the ON position again. -
If “Do not perform the memory” was set, the air inlets will be controlled automatically when placing the ignition switch to the ON position again.
How to set
CONSULT
Select “REC MEMORY SET” in “Work support” mode of “HVAC”.
|
Work support items |
Display |
Setting |
|---|---|---|
|
REC MEMORY SET |
WITHOUT (initial status) |
Perform the memory of manual REC |
|
WITH |
Do not perform the memory of manual REC (auto control) |
When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of the REC switch memory function may be cancelled.
Target Evaporator Temp Upper Limit
DESCRIPTION
Set the target evaporator temperature upper limit.
HOW TO SET
CONSULT
Select “TARGET EVAPORATOR TEMP UPPER LIMIT SETTING” in “Work support” mode of “HVAC”.
|
Work support items |
Display |
|---|---|
|
TARGET EVAPORATOR TEMP UPPER LIMIT SETTING |
Initial Setting |
|
Low |
|
|
Middle |
|
|
High |
Foot Position Setting Trimmer
DESCRIPTION
In FOOT mode, the air blowing to DEF can change ON/OFF.
HOW TO SET
CONSULT
Select “BLOW SET” in “Work support” mode of “HVAC”.
|
Work support items |
Display |
Defroster door position |
|
|---|---|---|---|
|
Auto control |
Manual control |
||
|
BLOW SET |
Mode1 (initial status) |
OPEN |
CLOSE |
|
Mode2 |
OPEN |
OPEN |
|
|
Mode3 |
CLOSE |
OPEN |
|
|
Mode4 |
CLOSE |
CLOSE |
|
When the battery cable is disconnected from the negative terminal or when the battery voltage becomes 10V or less, the setting of the discharge air mix ratio in FOOT mode may be cancelled.
Operation Inspection
Work Procedure
Work Procedure
DESCRIPTION
The purpose of the operational check is to check
that the individual system operates normally.
...
Door Motor Starting Position Reset
Description
Description
Reset signal is transmitted from A/C auto amp. to
air mix door motor and mode door motor. Starting position reset can
be performed.
Note: ...
Other materials:
Warning lights
Anti-lock
Braking
System (ABS) warning light
When the ignition switch is placed in the ON
position, the Anti-lock Braking System (ABS)
warning light illuminates and then turns off. This
indicates the ABS is operational.
If the ABS warning light illuminates while the
engine is running or ...
Camshaft
Exploded View
Camshaft position sensor (EXH)
O-ring
Camshaft bracket
Camshaft (EXH)
Camshaft sprocket (EXH)
Camshaft sprocket (INT)
Camshaft (INT)
Valve lifter (EXH)
Valve lifter (INT)
Signal plate (INT)
Signal plate (EXH)
O-ring
Camshaft position sensor (INT)
A. ...
Sunshade
Exploded View
Sunshade
Moonroof unit assembly
Sunshade stopper (LH/RH)
Front
Removal and Installation
REMOVAL
Remove the headlining. Refer to INT-40, "Removal and Installation".
Remove the sunshade stoppers (1) (LH/RH) from the moonroof
unit assembly side rails (2) ...
