Infiniti G37 Coupe. Manual — part 760
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-29
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
PASSENGER COMPARTMENT
1.
Refrigerant pressure sensor
2.
Ambient sensor
3.
Compressor (magnet clutch)
4.
Compressor (ECV)
JSIIA0746ZZ
HAC-30
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
AUTOMATIC AIR CONDITIONER SYSTEM
WITHOUT LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CON-
1.
Intake door motor
2.
Mode door motor
3.
Air mix door motor
4.
Sunload sensor
5.
In-vehicle sensor
6.
Unified meter and A/C amp.
7.
Intake sensor
8.
Blower motor
JSIIA0122ZZ
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-31
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
TROL SYSTEM : Component Description
INFOID:0000000001675676
WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CON-
TROL SYSTEM
WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL
SYSTEM : System Diagram
INFOID:0000000001675677
CONTROL SYSTEM
The control system consists of input sensors, switches, unified meter and A/C amp. (microcomputer) and out-
puts. The relationship of these components is as shown in the figure below:
Component
Reference
Air mix door motor
HAC-70, "WITHOUT LEFT AND RIGHT VENTILATION TEMPER-
ATURE SEPARATELY CONTROL SYSTEM : Description"
Ambient sensor
Blower motor
HAC-77, "WITHOUT LEFT AND RIGHT VENTILATION TEMPER-
ATURE SEPARATELY CONTROL SYSTEM : Description"
Compressor
intake door motor
intake sensor
In-vehicle sensor
Mode door motor
Refrigerant pressure sensor
Sunload sensor
Unified meter and A/C amp.
JSIIA0750GB
HAC-32
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
AUTOMATIC AIR CONDITIONER SYSTEM
WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL
SYSTEM : System Description
INFOID:0000000001675678
CONTROL OPERATION
Display Screen
The operation status of the system is displayed on the screen.
Preset Switch
MODE Switch
The air discharge outlets is controlled with this switch.
Temperature Control Dial (Potentio Temperature Control) (Driver Side)
The set temperature is increased or decreased with this dial.
Temperature Control Dial (Potentio Temperature Control) (Passenger Side)
• The set temperature is increased or decreased with this dial.
• When the temperature control dial is turned, the DUAL switch indicator will automatically illuminate.
AUTO Switch
• The compressor, intake doors, air mix doors, mode doors and blower speed are automatically controlled so
that the in-vehicle temperature will reach, and be maintained at the set temperature selected by the operator.
• When pressing AUTO switch, air inlet, air outlet, fan speed, and discharge air temperature are automatically
controlled.
Defroster (DEF) Switch
Mode doors are set to the defrost position with this switch. Also, intake doors are set to the outside air position,
and compressor turns ON.
A/C Switch
Compressor is ON or OFF with this switch.
(Pressing the A/C switch when the A/C switch is ON turns OFF the A/C switch and compressor.)
FAN Switches
JSIIA0058GB
JSIIA0766GB
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