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Home >> Infiniti >> 2021 >> QX50 Essential, 4WD >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater & Air Conditioning Control System (Diagnostics, Service Information) >> System Description >> Operation >> Automatic Air Conditioning System >> Switch Name and Function >> Operation And Display
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Operation And Display

Lower Touch Screen Display (Example) 

GNSDB121170Courtesy of NISSAN NORTH AMERICA, INC.

Controller (Integral switch) 

GNSAWIIA0163Z-163Courtesy of NISSAN NORTH AMERICA, INC.

SYMBOL

Temperature control switch (Driver side)

SYMBOL

AUTO switch

SYMBOL

Fan switch

SYMBOL

MODE switch

SYMBOL

CLIMATE switch

SYMBOL

ON/OFF switch

SYMBOL

DEF switch

SYMBOL

Intake switch

SYMBOL

Temperature control switch (Passenger side)

Switch Operation 

Switch name

Function

Temperature control switch (Driver side)

Setting temperature is selected using this switch within a range between 18.0 deg. C (60 deg. F or 61 deg. F) and 32.0 deg. C (89 deg. F or 90 deg. F) at a rate of 0.5 deg. C (1 deg. F) per adjustment.

  • SYMBOL Press: Setting temperature increases
  • SYMBOL Press: Setting temperature decreases
NOTE: When air conditioning system is OFF, setting temperature can not be selected.

AUTO switch

When this switch is pressed, switch indicator lamp and "AUTO" indicator on display, and then air conditioning system starts automatic control.

NOTE:
  • When air inlet is not selected manually, air inlet changes to automatic control.

Fan switch

Fan speed is selected within a range of 1st - 7th speed using this switch.

NOTE:
  • Air conditioning system turns ON when this switch is operated while air conditioning system is in OFF status.
  • Automatic air flow control is released ("AUTO" is not displayed) when this switch is pressed while air conditioning system is in automatic control ("AUTO" is displayed).

MODE switch

  • Air outlet can be changes from VENT => B/L => FOOT => D/F => VENT each time this switch is pressed.
NOTE:
  • Air outlet can be changed when air conditioning system is in the OFF position.
  • Automatic air outlet control is released ("AUTO" is not displayed) when this switch is pressed while air conditioning system is in automatic control ("AUTO" is displayed).

CLIMATE switch

"Climate" menu is indicated on display when this switch is pressed.

ON/OFF switch

  • When this switch is pressed while air conditioning system is operated, air conditioning system turns OFF.
  • When air conditioning system turns OFF, air inlet and air outlet become the following status.
    • Air outlet: FOOT
    • Air inlet: Fresh air intake
  • When this switch is pressed while air conditioning system is not operated, air conditioning system turns ON in the condition before turning OFF.

DEF switch

DEF mode (switch indicator lamp) changes between ON <=> OFF each time this switch is pressed.

When DEF switch is pressed while air conditioning system is in the ON position

  • When DEF mode turns ON, air conditioning system becomes the following status.
    • Air outlet: DEF
    • Air flow: Automatic control (If fan speed other than "AUTO" is selected before pressing DEF switch, fan speed is manual control)
    • Air inlet: Fresh air intake
    • Compressor: ON
      NOTE: A/C switch indicator is not changed from before turning ON DEF mode.
  • When DEF mode turns OFF, air conditioning system status returns to the previous status before DEF mode is selected. But, the following state is continued.
    • Air inlet: Fresh air intake
    • Compressor: ON
      NOTE: A/C switch indicator is not changed from before turning OFF DEF mode.

When DEF switch is pressed while air conditioning system is in the OFF position

  • Air conditioning system turns ON and becomes the following status.
    • Air outlet: DEF
    • Air flow: Automatic control
    • Air inlet: Fresh air intake
    • Compressor: ON
  • When DEF mode turns OFF, entire air conditioning system is set to auto mode.
NOTE: Automatic control is released when this switch is pressed while air conditioning system is in automatic control.

Intake switch

  • Air inlet changes between recirculation (REC) <=> fresh air intake (FRE) each time this switch is pressed.
    • Intake switch indicator lamp ON: Recirculation
    • Intake switch indicator lamp OFF: Fresh air intake
NOTE:
  • Air inlet can be changed when air conditioning system is in the OFF position.

Temperature control switch (Passenger side)

  • The system is set to LH/RH independent status ("DUAL" displays) by operating this switch. 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 switch within a range between 18.0 deg. C (60 deg. F or 61 deg. F) and 32.0 deg. C (89 deg. F or 90 deg. F) at a rate of 0.5 deg. C (1 deg. F) per adjustment.
    • SYMBOL Press: Setting temperature increases
    • SYMBOL Press: Setting temperature decreases
NOTE:
  • When air conditioning system is OFF, setting temperature can not be selected.
  • When DEF mode is ON, temperature control switch (passenger side) is inoperative.