Nissan Cube. Manual — part 544
HAC-14
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
COMPRESSOR CONTROL FUNCTION
Magnet clutch
Refrigerant pressure sensor
A/C control (A/C auto amp.)
In-vehicle sensor
Blower motor
Air mix door motor
Power transistor
Intake sensor
Mode door motor
Intake door motor
Component
Description
AUTOMATIC AIR CONDITIONING SYSTEM
HAC-15
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
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AUTOMATIC AIR CONDITIONING SYSTEM
System Diagram
INFOID:0000000009950972
System Description
INFOID:0000000009950973
OUTLINE
• Automatic air conditioner system is controlled by each function of A/C auto amp., ECM, BCM and IPDM E/R.
Control by A/C auto amp.
- Air outlet control
- Temperature control
- Air inlet control
- Air flow control
- Compressor control
- Door motor control (LCU communication control)
Control by BCM
- Compressor control
Control by ECM
- Cooling fan control. Refer to
.
- Air conditioning cut control. Refer to
- Compressor control
Control by IPDM E/R
- Relay control. Refer to
(WITH I-KEY) or
(WITH-
OUT I-KEY).
- Cooling fan control. Refer to
(WITH I-KEY) or
(WITHOUT I-KEY).
• Each A/C system can be operated by A/C controller (built-in A/C auto amp.).
JPIIA1652GB
HAC-16
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
AUTOMATIC AIR CONDITIONING SYSTEM
OPERATION
Controller (A/C Control)
For USA
For Canada
Switch Operation
JPIIA1668ZZ
1.
DEF switch
2.
Fan control switch
3.
OFF switch
4.
MODE switch
5.
REC switch
6.
FRE switch
7.
A/C switch
8.
Temperature control switch
9.
AUTO switch
10. Rear window defogger switch
11.
A/C display
JPIIA1653ZZ
1.
DEF switch
2.
Fan control switch
3.
OFF switch
4.
MODE switch
5.
REC switch
6.
FRE switch
7.
A/C switch
8.
Temperature control switch
9.
AUTO switch
10. Rear window defogger switch
11.
A/C display
AUTOMATIC AIR CONDITIONING SYSTEM
HAC-17
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
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DEF switch
• DEF switch indicator is turned ON
⇔
OFF by pressing DEF switch each time.
• When DEF switch is operated while air conditioner system is activated, the system becomes the
following states.
- Compressor: ON
- Air inlet: Fresh air intake
- Blower fan: Auto control (if blower fan is set to manual mode before pressing DEF switch, it be-
comes manual mode)
- When DEF mode set to OFF, air conditioner system returns previous condition which is set to DEF
mode.
• When DEF switch is operated while air conditioner system is inactivation, the system becomes the
following states.
- Air conditioner system: ON
- Compressor: ON
- Air inlet: Fresh air intake
- Blower fan: Auto control
• When DEF mode set to OFF, all air conditioner system is OFF.
NOTE:
When DEF mode is set to ON during auto control of air conditioner system, the system becomes man-
ual control.
Fan control switch
Fan speed is selected within a range between 1st – 7th speed by pressing this switch.
NOTE:
• When air conditioner system is OFF, air conditioner system is set to ON by pressing this switch.
• When fan control switch is operated during auto control of air conditioner system, the system be-
comes manual mode.
OFF switch
• Air conditioner system is turned OFF by pressing this switch.
• When the air conditioner system becomes OFF, air inlet and outlet are set as follows:
- Air inlet: FRE (except REC is manually selected)
- Air outlet: FOOT
Mode switch
• Mode position is changed in order of VENT
⇒
B/L
⇒
FOOT
⇒
D/F
⇒
VENT by operating this
switch each time.
• When D/F is selected while blower motor is activated, air conditioner system becomes the following
states.
- Compressor: ON
- Air inlet: Fresh air intake
NOTE:
When MODE switch is operated during auto control of air conditioner system, the system becomes
manual mode.
REC switch
Air inlet is selected to recirculation (REC) by pressing this switch.
• REC indicator ON
• FRE indicator OFF
NOTE:
• Even if the air conditioner system is OFF, air inlet can be selected.
• When mode position is D/F or DEF, recirculation (REC) cannot be selected.
• When REC switch is selected, the compressor is turned ON.
• When REC indicator is ON, pressing the REC switch for approximately 1.5 seconds or more, and
then the FRE and REC switch indicators blink twice and the system is switched to the automatic
control.
FRE switch
Air inlet is selected to fresh air intake (FRE) by pressing this switch.
• FRE indicator: ON
• REC indicator: OFF
NOTE:
• Even if the air conditioner system is OFF, air inlet can be selected.
• When mode position is D/F or DEF, air inlet is set to FRE forcibly.
• When FRE indicator is ON, pressing the FRE switch for approximately 1.5 seconds or more, and
then the FRE and REC switch indicators blink twice and the system is switched to the automatic
control.
Temperature control
switch
Setting temperature is selected within a range between 18
°
C (60
°
F) – 32
°
C (90
°
F) by pressing this
switch.
•
: Increase
•
: Decrease
NOTE:
Even if air conditioner system is OFF, setting temperature can be selected by pressing these switch.
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