Nissan Sentra B18 (2020-2025) Service Manual: Operation

1.

AUTO switch

2.

Temperature control dial (Driver side)

3.

Display

4.

Heated seat switches ¹

5.

Temperature control dial (Passenger side)

6.

SYNC switch

7.

A/C switch

8.

Recirculation switch

9.

MODE switch

10.

Fan switch

11.

Heated steering wheel switch ²

12.

Rear window and outside mirror defroster switch ³

13.

Front DEF switch

14.

ON/OFF switch

AUTO switch

Turns the switch indicator lamp and "AUTO" indicator on the display ON, and then front air conditioning system becomes the following states:

• Air inlet: Automatic control

• Air outlet: Automatic control

• Blower fan: Automatic control

• A/C compressor: ON

Under certain conditions A/C compressor may be prohibited. Refer to Compressor Control.

Front defroster switch

Turns defroster mode (switch indicator) between ON ⇔ OFF each time.

When defroster switch is pressed while front air conditioning system is in the ON position.

• When defroster mode is turned ON, front air conditioning system becomes the following states:

  • Air inlet: Fresh air intake

  • Air outlet: DEF

  • Blower fan: Automatic control (If fan speed other than AUTO is selected before pressing defroster switch, fan speed is manual control.)

  • A/C compressor: ON

• When defroster mode is turned OFF, front air conditioning system state returns to the previous state before defroster mode is selected. But, the following states are continued:

  • Air inlet: Fresh air intake

  • A/C compressor: ON

When defroster switch is pressed while front air conditioning system is in the OFF position.

• When defroster mode is turned ON, front air conditioning system becomes the following states:

  • Air inlet: Fresh air intake

  • Air outlet: Defroster

  • Blower fan: Automatic control

  • A/C compressor: ON

• When defroster mode is turned OFF, entire front air conditioning system is set to auto mode.

When defroster mode turns ON while front air conditioning system is in automatic control (“AUTO” is indicated), automatic control is released (“AUTO” turns OFF).

Rear window and outside mirror defroster switch^*

When this mode is selected, the indicator lamp turns ON. The rear window and the door mirrors will defrost.

SYNC switch

When the SYNC mode is selected, the "SYNC" switch indicator lamp turns ON. Left, rear and right ventilation temperature separately changes between ON ⇔ OFF each time this switch is pressed while blower motor is operated

• SYNC switch operation is not accepted when DEF mode is ON.

Fan switch (UP/DOWN)

Blower fan speed is manually controlled with these switches. Seven speeds are available for manual control (as shown on the display screen).

• When fan switch is pressed while front air conditioning system is in OFF, front air conditioning system is activated. (A/C compressor control state returns to the previous state before front air conditioning system OFF.)

• When fan switch is pressed while front air conditioning system is in automatic control (“AUTO” is indicated), automatic control is released (“AUTO” turns OFF).

A/C switch

A/C compressor control (switch indicator) changes between ON ⇔ OFF each time this switch is pressed while blower motor is operated.

• A/C switch cannot be turned ON when blower motor is OFF.

• A/C switch cannot be turned OFF when air outlet is D/F or DEF.

• Air inlet changes to fresh air intake when A/C switch is turned OFF while air inlet is set to recirculation.

MODE switch

Selects air outlet sequentially from VENT ⇒ B/L ⇒ FOOT ⇒ D/F ⇒ VENT each time.

• When front air conditioning system is in the OFF position, air outlet can be selected.

• When MODE switch is pressed while front air conditioning system is in automatic control (“AUTO” is indicated), automatic control is released (“AUTO” turns OFF).

ON/OFF switch

• Turns front air conditioning system ON/OFF.

• When front air conditioning system turns OFF, air inlet and air outlet become the automatic control.

Recirculation switch

Air inlet changes to recirculation (REC) when this switch is pressed.

• Recirculation switch indicator ON: Recirculation

• Recirculation switch indicator OFF: Fresh air intake

• When front air conditioning system is in the OFF position, air inlet can be selected.

• When MODE switch and DEF switch is in the D/F or DEF position, air inlet cannot be selected to recirculation (REC).

Temperature control dial (Driver side)

Setting temperature is selected using this dial within a range between 60°F or 61°F (18°C) and 89°F or 90°F (32°C) at a rate of 1.0°F (0.5°C) per adjustment.

When air conditioning system is OFF, setting temperature can be selected only while air conditioning system status screen [only when MODE switch (driver side) is pressed] is indicated on display.

Temperature control dial (Passenger side)

• Outlet air flow temperature of passenger side can be changed without changing outlet air flow temperature of driver side.

• Setting temperature is selected using this dial within a range between 60°F or 61°F (18°C) and 89°F or 90°F (32°C) at a rate of 1.0°F (0.5°C) per adjustment.

• When air conditioning system is OFF, setting temperature can be selected only while air conditioning system status screen [only when MODE switch (passenger side) is pressed] is indicated on display.

• When DEF mode is ON, temperature control dial (passenger side) is inoperative.