Nissan Teana J32. Manual — part 664
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-25
< FUNCTION DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
PASSENGER COMPARTMENT
1.
Refrigerant pressure sensor
2.
Compressor (magnet clutch)
3.
Ambient sensor
JPIIA0992ZZ
HAC-26
< FUNCTION DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
AUTOMATIC AIR CONDITIONER SYSTEM
Component Description
INFOID:0000000003846304
1.
Intake door motor
2.
Air mix door motor (passenger side)
3.
Air mix door motor (driver side)
4.
Mode door motor
5.
Sunload sensor
6.
In-vehicle sensor
7.
A/C auto amp.
8.
Intake sensor
9.
Blower motor
JPIIA0997ZZ
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-27
< FUNCTION DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
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-28
< FUNCTION DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
MODE DOOR CONTROL SYSTEM
MODE DOOR CONTROL SYSTEM
System Diagram
INFOID:0000000003846309
System Description
INFOID:0000000003846310
The mode door is automatically controlled by the temperature setting, ambient temperature, in-vehicle temper-
ature, intake temperature and amount of sunload.
SYSTEM OPERATION
• The A/C auto amp. receives data from each of the sensors.
• The A/C auto amp. sends the air mix door, the mode door and the intake door opening angle data to the air
mix door motor LCUs, the mode door motor LCU and the intake door motor LCU.
• The air mix door motors, the mode door motor and the intake door motor read their respective signals
according to the address signal. Opening angle indication signals received from the A/C auto amp. and each
of the motor position sensors are compared by the LCUs in each door motor with the existing decision and
opening angles.
• Next, HOT/COLD, DEF/VENT, OPEN/SHUT or FRE/REC operations is selected. The newly selected data is
returned to the A/C auto amp.
Door Motor Circuit
Mode Door Control Specification
JPIIA0493GB
JSIIA1133GB
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