Nissan Teana J32. Instruction — part 688
COMPRESSOR CONTROL FUNCTION
HAC-121
< FUNCTION DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
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F
G
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A
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HAC
N
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Component
Description
Refrigerant pressure sensor
Compressor
Ambient sensor
Intake door motor
Air mix door motor (driver side)
Air mix door motor (passenger side)
Mode door motor
Sunload sensor
In-vehicle sensor
A/C auto amp.
Intake sensor
Blower motor
HAC-122
< FUNCTION DIAGNOSIS >
[WITH 7 INCH DISPLAY]
AUTOMATIC AIR CONDITIONER SYSTEM
AUTOMATIC AIR CONDITIONER SYSTEM
WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM
WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : System Diagram
INFOID:0000000003884702
CONTROL SYSTEM
The control system consists of input sensors, switches, the A/C auto amp. (microcomputer) and outputs. The
relationship of these components is as shown in the figure below:
WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : System Description
INFOID:0000000003884704
CONTROL OPERATION
Display
The operation status of the system is displayed on the screen.
JPIIA1020GB
JSIIA0058GB
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-123
< FUNCTION DIAGNOSIS >
[WITH 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
A/C Control
MODE Switch
The air discharge outlets are controlled with this switch.
Temperature Control Dial (Driver Side)
The set temperature is increased or decreased with this dial.
Temperature Control Dial (Passenger Side)
• The set temperature is increased or decreased with this dial.
• When the temperature control dial is turned, DUAL switch indicator is turned ON.
AUTO Switch
• The compressor, intake door, 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 the AUTO switch, air inlet, air outlet, fan speed, and discharge air temperature are automati-
cally controlled.
Defroster (DEF) Switch
Mode doors are set to the defrost position with this switch. Also, intake door is set to the outside air position,
and compressor turns ON.
A/C Switch
Compressor turns 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 Control Dial
The blower speed is instructionly controlled with this dial. Seven speeds are available for instruction control (as
shown on the display screen).
OFF Switch
Compressor and blower turn OFF, air inlet sets to FRE, and mode the position is set to foot position.
Rear Window Defogger Switch
When indicator is ON, rear window is defogged.
Recirculation (REC) Switch
• When REC switch is ON, REC switch indicator turns ON, and air inlet is fixed to REC.
• When REC switch is pressed for approximately 1.5 seconds or longer, REC and FRE switch indicators blink
twice. Then, automatic control mode is entered. Inlet status is displayed even during automatic control.
JPIIA1006ZZ
1.
Temperature control dial (passenger
side)
2.
MODE switch
3.
Fresh (FRE) switch
4.
Fan control dial
5.
Recirculation (REC) switch
6.
A/C switch
7.
Temperature control dial (driver side) 8.
AUTO switch
9.
Defroster (DEF) switch
10. OFF switch
11.
Rear window defogger switch
12. DUAL switch
HAC-124
< FUNCTION DIAGNOSIS >
[WITH 7 INCH DISPLAY]
AUTOMATIC AIR CONDITIONER SYSTEM
• When FRE switch is turned ON, REC switch is automatically turned OFF (fixed to FRE mode). REC mode
can be re-entered by pressing REC switch again.
Fresh (FRE) Switch
• When FRE switch is ON, FRE switch indicator turns ON, and air inlet is fixed to FRE.
• When FRE switch is pressed for approximately 1.5 seconds or longer, REC and FRE switch indicators blink
twice. Then, automatic control mode is entered. Inlet status is displayed even during automatic control.
• When REC switch is turned ON, FRE switch is automatically turned OFF (fixed to REC mode). FRE mode
can be re-entered by pressing FRE switch again.
DUAL Switch
• When the DUAL switch indicator is ON, the driver side and passenger side, temperature can each be set
independently.
• When the DUAL switch indicator is OFF, the driver side setting temperature is applied to both sides.
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