Nissan March K13. Manual — part 368
HAC-6
< PRECAUTION >
[AUTOMATIC AIR CONDITIONER]
PRECAUTIONS
5.
When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn
the push-button ignition switch from ACC position to ON position, then to LOCK position. (The steering
wheel will lock when the push-button ignition switch is turned to LOCK position.)
6.
Perform self-diagnosis check of all control units using CONSULT-III.
COMPONENT PARTS
HAC-7
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
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SYSTEM DESCRIPTION
COMPONENT PARTS
AUTOMATIC AIR CONDITIONING SYSTEM
AUTOMATIC AIR CONDITIONING SYSTEM : Component Parts Location
INFOID:0000000006024012
AUTOMATIC AIR CONDITIONING SYSTEM : Component Description
INFOID:0000000006024013
1.
Sunload sensor
2.
Magnet clutch
3.
Refrigerant pressure sensor
4.
Ambient sensor
5.
A/C control (A/C auto amp.)
6.
In-vehicle sensor
7.
Blower motor
8.
Mode door motor
9.
Air mix door motor
10.
Intake door motor
11.
Fan control amp.
12.
Intake sensor
A.
Located in the right side of A/C
unit assembly
B.
Located in left side of A/C unit
assembly
C.
Located on the evaporator
JMIIA0687ZZ
Component
Description
Sunload sensor
Ambient sensor
Magnet clutch
HAC-10, "COMPRESSOR : Magnet Clutch"
Refrigerant pressure sensor
XX-XX, "*****"
A/C control (A/C auto amp.)
In-vehicle sensor
Blower motor
HAC-8
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONER]
COMPONENT PARTS
A/C UNIT ASSEMBLY
A/C UNIT ASSEMBLY : Air Mix Door Motor
INFOID:0000000006024035
• The air mix door motor (1) is installed to the A/C unit assembly.
• The step motor system is adopted for air mix door motor.
• When a drive signal is input from auto amp. to door motor, a step
motor built into the door the door motor rotates according to the
drive signal, and then stops at the position of target door.
A/C UNIT ASSEMBLY : Aspirator
INFOID:0000000006043954
The aspirator (1) generates the vacuum by the air blown from the A/
C unit assembly and draws the air of the passenger room to the in-
vehicle sensor area via the aspirator duct.
Air mix door motor
HAC-8, "A/C UNIT ASSEMBLY : Air Mix Door Motor"
Power transistor
HAC-9, "A/C UNIT ASSEMBLY : Blower Motor"
Intake sensor
HAC-9, "A/C UNIT ASSEMBLY : Intake Sensor"
Mode door motor
HAC-10, "A/C UNIT ASSEMBLY : Mode Door Motor"
Intake door motor
HAC-9, "A/C UNIT ASSEMBLY : Intake Door Motor"
Component
Description
: Vehicle front
JMIIA0695ZZ
: Vehicle front
JMIIA0693ZZ
RJIA1804E
COMPONENT PARTS
HAC-9
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
A/C UNIT ASSEMBLY : Blower Motor
INFOID:0000000006024044
• The blower motor (1) is installed in the RH side of A/C unit assem-
bly.
• The blower motor adopts the forcible air cooling system and one-
touch installation system without any screws.
A/C UNIT ASSEMBLY : Intake Door Motor
INFOID:0000000006024041
• The intake door motor (1) is installed to A/C unit assembly.
• The A/C auto amp. sends the control signal to Intake door motor.
When intake door motor receives the control signal, intake door is
moved to appropriate position by PBR (Potentio Balance Resistor)
opening angle indication signal.
A/C UNIT ASSEMBLY : Intake Sensor
INFOID:0000000006024029
COMPONENT DESCRIPTION
• Intake sensor (1) is located on the evaporator.
• The intake sensor converts the evaporator surface temperature
detected with thermistor into the voltage, and the A/C auto amp.
inputs this voltage.
INTAKE TEMPERATURE CORRECTION
• The A/C auto amp. inputs the temperature detected with the intake sensor as the evaporator surface tem-
perature.
• Perform the correction of the temperature detected with the intake sensor for air conditioner control.
• The A/C auto amp. performs the correction so that the recognition intake temperature changes depending
on the difference between the detected intake temperature and the recognition intake temperature. If the dif-
ference is large, the changing is early. The changing becomes slow as the difference becomes small.
: Vehicle front
JMIIA0698ZZ
: Vehicle front
JMIIA0697ZZ
JPIIA1749ZZ
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