Nissan Pathfinder (2008 year). Manual — part 433
HAC-8
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
FUNCTION INFORMATION
FUNCTION DIAGNOSIS
FUNCTION INFORMATION
Component Part Location
INFOID:0000000001366685
ENGINE COMPARTMENT
VQ40DE
WJIA2270E
1.
Heater pump relay E144
2.
Refrigerant pressure sensor E48
(View with battery removed)
⇐
: Front
3.
Ambient sensor E1 (View with grille
removed)
4.
A/C Compressor F3
5.
Heater pump E141
FUNCTION INFORMATION
HAC-9
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
VK56DE
PASSENGER COMPARTMENT
AWIIA0220ZZ
1.
Refrigerant pressure sensor E48
(View with battery removed)
⇐
: Front
2.
Ambient sensorE1 (View with grille
removed)
3.
A/C Compressor F3
4.
Water valve F68
HAC-10
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
FUNCTION INFORMATION
1.
A/C Auto amp. M49, M50
2.
In-vehicle sensor M32
3.
Intake sensor M146
4.
Intake door motor M58
5.
Variable blower control (front)
M122
6.
Air mix door motor (driver) M147
7.
Mode door motor (front) M142
8.
Air mix door motor (passenger)
M143
9.
Optical sensor M145
⇐
:Front
⇐
AWIIA0221ZZ
FUNCTION INFORMATION
HAC-11
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
REAR PASSENGER COMPARTMENT
Symptom Table
INFOID:0000000001366686
1.
Rear air control (front) R2
2.
Air mix door motor (rear) B155
3.
Rear blower motor B501
4.
Variable blower control (rear) B133
5.
Rear air control (rear) M208
AWIIA0222ZZ
Symptom
Reference Page
A/C system does not come on.
Go to Trouble Diagnosis Procedure for A/C System.
A/C system display is malfunctioning (with
NAVI).
Go to Navigation System.
A/C system display is malfunctioning (without
NAVI).
Go to Mid-level Audio System.
A/C system cannot be controlled.
Go to Self-diagnosis Function.
Air outlet does not change.
Go to Trouble Diagnosis Procedure for Mode Door Motor.
Mode door motor is malfunctioning.
Discharge air temperature does not change.
Go to Trouble Diagnosis Procedure for Air Mix Door Motor.
Air mix door motor is malfunctioning.
HAC-12
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
FUNCTION INFORMATION
Intake door does not change.
Go to Trouble Diagnosis Procedure for Intake Door Motor.
Intake door motor is malfunctioning.
Front blower motor operation is malfunction-
ing.
Go to Trouble Diagnosis Procedure for Front Blower Motor.
Rear blower motor operation is malfunction-
ing.
Go to Trouble Diagnosis Procedure for Rear Blower Motor.
Rear discharge air temperature and/or air
outlet does not change.
Go to Trouble Diagnosis Procedure for Rear Air Control circuit.
Magnet clutch does not engage.
Go to Trouble Diagnosis Procedure for Magnet Clutch.
Insufficient cooling
Go to Trouble Diagnosis Procedure for Insufficient Cooling.
Insufficient heating
Go to Trouble Diagnosis Procedure for Insufficient Heating.
Noise
Go to Trouble Diagnosis Procedure for Noise.
Self-diagnosis cannot be performed.
Go to Trouble Diagnosis Procedure for Self-diagnosis.
Memory function does not operate.
Go to Trouble Diagnosis Procedure for Memory Function.
Symptom
Reference Page
REFRIGERATION SYSTEM
HAC-13
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
REFRIGERATION SYSTEM
Refrigerant Cycle
INFOID:0000000001366687
.
Refrigerant System Protection
INFOID:0000000001366688
HAC-14
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
AUTOMATIC AIR CONDITIONER SYSTEM
AUTOMATIC AIR CONDITIONER SYSTEM
Control System Diagram
INFOID:0000000001366689
CONTROL SYSTEM
The control system consists of input sensors, switches, the A/C auto amp. (microcomputer) and outputs.
The relationship of these components is shown in the figure below:
Control System Description
INFOID:0000000001366690
CONTROL OPERATION
AWIIA0223GB
AUTOMATIC AIR CONDITIONER SYSTEM
HAC-15
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
A/C Auto Amp.
DISPLAY SCREEN
Displays the operational status of the system.
AUTO SWITCH
• Pressing the AUTO switch will illuminate the LED and "Auto" will be visible on the display. The A/C indicator
will illuminate.
• The A/C compressor, intake door, air mix doors, outlet 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 oper-
ator.
• When pressing AUTO switch, air inlet, air outlet, blower speed, and discharge air temperature are automati-
cally controlled.
• A partial AUTO mode can be achieved by only changing the blower speed or by changing the mode position.
If both the blower speed and the mode positions are changed, the AUTO mode will be cancelled.
TEMPERATURE CONTROL DIAL (DRIVER)
Increases or decreases the set temperature.
TEMPERATURE CONTROL DIAL (PASSENGER)
Increases or decreases the set temperature.
RECIRCULATION (
) SWITCH
• When REC switch is ON, REC switch indicator turns ON, and air inlet is set to REC.
• When REC switch is turned OFF, or when compressor is turned from ON to OFF, REC switch is automati-
cally turned OFF. REC mode can be re-entered by pressing REC switch again.
• REC switch is not operated when DEF switch is turned ON, at the D/F position, or in floor position.
DEFROSTER (
) SWITCH
Positions the air outlet doors to the defrost position. Also positions the intake doors to the outside air position,
and turns A/C compressor ON.
REAR WINDOW DEFOGGER SWITCH
When switch is ON, rear window and door mirrors are defogged.
OFF SWITCH
The A/C compressor and blower are OFF, the intake doors are set to the outside air position, and the air outlet
doors are set to the foot (75% foot and 25% defrost) position.
A/C SWITCH
The compressor is ON or OFF.
(Pressing the A/C switch when the AUTO switch is ON will turn off the A/C switch and compressor.)
MODE SWITCH
Controls the air discharge outlets.
AWIIA0081ZZ
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст