Nissan Leaf. Instruction — part 760
OPERATION
HAC-43
< SYSTEM DESCRIPTION >
[AUTO A/C (WITH HEAT PUMP)]
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OPERATION
Description
INFOID:0000000010121767
• This A/C uses various sensors to detect temperature changes in the interior caused by factors such as
changes in ambient temperature and sunload. When the desired temperature is set, the discharge air tem-
perature, discharge air flow, and inlet/outlet changes are controlled automatically to maintain a constant inte-
rior temperature at all times.
• The air flow volume and switching of air inlets and air outlets can be selected instructionly without auto function.
While using auto function, it is still possible to select a particular item instructionly.
• It is possible to use A/C-Heater Timer (Climate Ctrl. Timer) or remote climate control to adjust the interior to
a comfortable temperature before entering the vehicle.
TABLE OF OPERATION CONDITIONS OF A/C SYSTEM FUNCTION OPERATED BY POWER
SWITCH OPERATION
Each of the A/C system functions is operative under the following conditions.
×:Operate —: Does not operate
• *1: The vehicles state of each power supply position is following state.
- LOCK/OFF: Power switch OFF
- ACC: Power switch ACC
- ON: Power switch ON (Not vehicle condition READY)
- READY: Shifting to vehicle condition READY (Transmitting the READY signal from BCM to VCM), or Vehicle
condition READY or running
• *2: When the power supply position is ON, cooling/heating function can be started only while charging is in
progress. After charging is complete, cooling/heating function operates continuously while maintaining the
status that EVSE is connected (the status that power supply from EVSE is allowed).
NOTE:
• Connecting EVSE when the vehicle is in READY state cancels READY state (ready indicator lamp turns
OFF), and power supply position changes to ON. At this time, cooling/heating function of A/C system stops,
and only ventilation function operates. When using cooling/heating function, turn power switch OFF, check
that charging is started, and then turn power switch ON again.
• When the power supply position is ON, if power supply from EVSE becomes not available due to the power
interruption, cooling/heating function operates as shown in the following items.
- Charging is in progress:
EV system maintained the activated status for 5 minutes after power supply from EVSE becomes not avail-
able. Therefore, cooling/heating function stops when power supply from EVSE becomes not available. Cool-
ing/heating function re-starts simultaneously when power supply from EVSE becomes available again within
5 minutes. After 5 minutes are passed, EV system stops. Cooling/heating function does not re-start.
- After charging is complete:
EV system stops. Cooling/heating function stops.
Switch Name and Function
INFOID:0000000010121768
AUTO A/C SYSTEM OPERATIONS AND DISPLAYS
Power supply position*
1
OFF
ACC
ON
READY
Ventilation function
—
—
×
×
Cooling/heating function
—
—
×*
2
×
A/C-Heater Timer (Climate Ctrl.
Timer) function
×
(Only when EVSE is
connected)
×
(Only when EVSE is
connected)
—
—
Remote climate control function
×
×
—
—
HAC-44
< SYSTEM DESCRIPTION >
[AUTO A/C (WITH HEAT PUMP)]
OPERATION
A/C Status Display (Inside Display)
A/C Controller
JSIIA1777GB
AUTO switch
Timer A/C indicator
Mode switch
HEAT switch
Temperature control switch
A/C switch
ON·OFF switch
Intake switch
Fan control switch
DEF switch
JMIIA2750ZZ
AUTO switch
• If the switch is pressed while the A/C is stopped, the switch indicator lamp turns ON, “AUTO” appears on the
display, and the A/C system status is as per the following items:
- Air inlet: Automatic control
- Air outlet: Automatic control
- Air flow: Automatic control
- Electric compressor: Automatic control
- PTC heater: Automatic control
- A/C system cooling/heating operation mode switching: Automatic control
• If the AUTO switch is pressed while the A/C is operating and AUTO switch indicator lamp is OFF, the AUTO
switch indicator lamp turns ON, “AUTO” appears on the display, and all controls switch to automatic control
status.
• Depending on the air conditioner system cooling/heating operation mode status during AUTO operation, the
A/C switch indicator lamp turns ON during cooling operation and the HEAT switch indicator lamp turns ON
during heating operation.
NOTE:
• The AUTO switch indicator lamp turns ON or OFF linked to the “AUTO” indicator on the display.
• When air outlet or air flow is instructionly operated while AUTO switch indicator lamp is ON, AUTO switch indi-
cator lamp turns OFF. However, automatic control continues for functions other than those whose switch is
operated.
Timer A/C indicator
• Timer A/C indicator blinks while A/C-Heater Timer or remote climate control is operated.
• Turned ON when the A/C-heater timer is reserved.
OPERATION
HAC-45
< SYSTEM DESCRIPTION >
[AUTO A/C (WITH HEAT PUMP)]
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Mode switch
When each MODE switch is pressed, air outlet is switched and VENT, B/L, FOOT, or D/F can be selected man-
ually.
NOTE:
• Air outlet can be changed when air conditioner system is in the OFF position.
• When MODE switch is pressed while AUTO switch indicator lamp is indicated, air outlet automatic control is
released (AUTO switch indicator lamp turns OFF).
HEAT switch
• When the HEAT switch is pressed while the HEAT switch indicator lamp is OFF, the HEAT switch indicator
lamp turns ON and the air conditioner system switches to the following operation modes.
- A/C switch indicator lamp is ON: dehumidified heating
- A/C switch indicator lamp is OFF: heating
• When the HEAT switch is pressed while the HEAT switch indicator lamp is ON, the HEAT switch indicator
lamp turns OFF and the air conditioner system switches to the following operation modes.
- A/C switch indicator lamp is ON: cooling
- A/C switch indicator lamp is OFF: ventilating
• When the HEAT switch is pressed while the AUTO switch indicator lamp is ON, the AUTO switch indicator
lamp turns OFF and automatic control of air conditioner cooling/heating operation mode change is canceled
and it switches to instruction control.
Temperature control
switch
Operation of this switch sets the temperature setting in increments of 0.5
° within the range of 60° (18°C) to
(90
° (32°C).
•
: Increase temperature setting.
•
: Decrease temperature setting.
NOTE:
While the ventilation mode (A/C switch indicator lamp is OFF and HEAT switch indicator lamp is OFF) oper-
ates, the temperature disappears from the display and the temperature setting cannot be operated.
A/C switch
• When the A/C switch is pressed while the A/C switch indicator lamp is OFF, the A/C switch indicator lamp
turns ON. Then, the refrigerant cycle operates in the cooling (dehumidified) mode.
• When the A/C switch is pressed while the A/C switch indicator lamp is ON, the A/C switch indicator lamp
turns OFF and the refrigerant cycle stops operation in cooling (dehumidified) mode.
• When the A/C switch is pressed while the AUTO switch indicator lamp is ON, the AUTO switch indicator lamp
turns OFF and at the same time, automatic control of air conditioner cooling/heating operation mode change
is canceled and it switches to instruction control.
NOTE:
When blower fan motor is OFF, the refrigerant cycle does not operate. (Except for deice control)
ON/OFF switch
• If the ON/OFF switch is pressed while the A/C is operating, the PTC heater, electric compressor and blower
fan motor stops, and the outlets and inlets are set as per the following.
- Outlets: fixed in the same status as the ON/OFF switch is pressed
- Inlets: fresh air intake (when the inlet is controlled automatically)
• If the ON/OFF switch is pressed while A/C is stopped, the A/C turns ON with the same settings as before it
is stopped.
Intake switch
• Air inlet changes between recirculation (REC)
⇔ fresh air intake (FRE) each time intake switch is pressed.
- Indicator lamp ON: Recirculation
- Indicator lamp OFF: Fresh air intake
• Intake switch indicator lamp blinks 2 times and air inlet is set to automatic control when the intake switch is
pressed and held for 2 seconds or more.
• When the intake switch is pressed while the AUTO switch indicator lamp is ON, the AUTO switch indicator
lamp turns OFF, automatic control of the inlet is canceled, and it switches to instruction control.
NOTE:
Air inlet can be changed when air conditioning system is in OFF status.
HAC-46
< SYSTEM DESCRIPTION >
[AUTO A/C (WITH HEAT PUMP)]
OPERATION
Fan control switch
Air flow can be instructionly set within the range of speeds 1 - 7 using the fan control switch.
• +: Increase air flow.
•
−: Decrease air flow.
NOTE:
• When this switch is operated while A/C system is OFF, A/C system turns ON.
• Air flow automatic control is cancelled (AUTO switch indicator lamp turns OFF) when fan switch is operated
while AUTO switch indicator lamp is ON.
DEF switch
DEF mode (switch indicator lamp) changes between ON
⇔OFF each time DEF switch is pressed
• When switch is pressed while air conditioning system is in the ON position, DEF mode turns ON, air condi-
tioning system changes to the following status:
- Air outlet: DEF
- Air flow: Automatic control (If an air flow other than AUTO is selected before pressing DEF switch, blower
fan is instruction control.)
- Air inlet: Fresh air intake
- A/C switch indicator lamp: ON
- HEAT switch indicator lamp: ON
• When DEF mode turns OFF, air conditioner system state returns to the previous state before DEF mode was
selected.
• When switch is pressed while air conditioner system is in the OFF position, air conditioning system turns ON
and changes to the following status:
- Air outlet: DEF
- Air flow: Automatic control
- Air inlet: Fresh air intake
- A/C switch indicator lamp: ON
- HEAT switch indicator lamp: ON
• When DEF mode turns OFF, entire air conditioner system turns OFF.
NOTE:
When DEF mode is turned ON while AUTO switch indicator lamp is ON, AUTO switch indicator lamp turns
OFF. However, air flow automatic control continues. (This operation is excluded when airflow is set before DEF
switch is pressed.)
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