FULL-AUTO AIR CONDITIONER FUNCTION[MZ-CD 1.6 (Y6)]
id0740b3100600
Block Diagram
am3zzn00000502
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1
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Ambient temperature sensor
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2
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ECT sensor
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3
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Cabin temperature sensor
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4
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Solar radiation sensor
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5
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PJB and instrument cluster
|
6
|
Climate control unit
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7
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Airflow temperature control
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8
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Airflow volume control
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9
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Airflow mode control
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10
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Air intake control
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11
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A/C compressor control
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12
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PTC heater
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13
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Air mix actuator
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14
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Power MOS FET
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15
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Blower motor
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16
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Airflow mode actuator
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17
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Air intake actuator
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18
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Refrigerant pressure switch
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19
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A/C compressor cycling switch
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20
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HI pressure
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21
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Medium pressure
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22
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A/C cut control
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23
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A/C relay
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24
|
Magnetic clutch
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25
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Main fan control
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Control Table
Basic control |
Control description |
Correction control |
---|---|---|
Airflow temperature control
|
Airflow temperature automatic control
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• Air intake correction
• A/C correction
• PTC heater on/off control
• PTC heater correction
• MAX HOT and MAX COLD correction
• Engine coolant temperature correction
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Airflow volume control
|
Airflow volume automatic control
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• Engine coolant temperature correction (warm-up correction)
• Vehicle speed correction
• Mild start correction
• MAX HOT and MAX COLD correction
• Window fogging prevention correction at start
• Starting compensation correction
• Defroster correction
• Starting burnt-out prevention function
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Airflow volume manual control
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• Defroster correction
• Starting burnt-out prevention function
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Airflow mode control
|
Airflow mode automatic control
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• Ambient temperature correction
• Engine coolant temperature correction (warm-up correction)
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Airflow mode manual control
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―
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Air intake control
|
Air intake automatic control
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• MAX COLD correction
• Defroster correction
• Ambient temperature correction
• A/C OFF correction
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Air intake manual control
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• Defroster correction
|
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A/C compressor control
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A/C compressor automatic control
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• Defroster correction
• Ambient temperature correction
• MAX COLD correction
• Window fogging prevention correction at start
|
A/C compressor manual control
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• Defroster correction
• Ambient temperature correction
• Window fogging prevention correction at start
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Supplementary function |
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Fail-safe function
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Sensor signal delay function
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On-board diagnostic function
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Control Type Transition by Switch Operation
Airflow temperature control, airflow volume control
Operation switch |
Airflow temperature control |
Airflow volume control |
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---|---|---|---|---|---|---|---|---|---|---|---|---|
Control prior to switch operation |
Control prior to switch operation |
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Automatic control |
Automatic control |
Defroster correction |
Manual control |
|||||||||
OFF |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
|||||
OFF switch
|
Automatic control
|
OFF
|
OFF
|
OFF
|
||||||||
AUTO switch
|
Automatic control
|
Automatic control
|
Automatic control
|
Automatic control
|
||||||||
Airflow volume control dial
|
+
|
Automatic control
|
Manual control*2
|
Manual control*2
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
7
|
-
|
Automatic control
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Manual control*3
|
Manual control*3
|
1
|
1
|
1
|
2
|
3
|
4
|
5
|
6
|
|
VENT switch
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Automatic control
|
Automatic control
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*5
|
No change
|
||||||||
BI-LEVEL switch
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Automatic control
|
Automatic control
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*5
|
No change
|
||||||||
HEAT switch
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Automatic control
|
Automatic control
|
*5
|
No change
|
||||||||
HEAT/DEF switch
|
Automatic control
|
Automatic control
|
*5
|
No change
|
||||||||
DEFROSTER switch
|
Automatic control
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Defroster correction
|
No change
|
Defroster correction
|
||||||||
A/C switch
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Automatic control
|
Automatic control
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No change
|
No change
|
||||||||
REC switch
|
Automatic control
|
Automatic control
|
No change
|
No change
|
||||||||
Temperature setting dial*1
|
15.0
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MAX COLD
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MAX HI
|
MAX HI
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No change
|
|||||||
15.5—28.5
|
Automatic control
|
Automatic control
|
No change
|
No change
|
||||||||
29.0
|
MAX HOT
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AUTO HI*4
|
AUTO HI
|
No change
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Airflow mode control, air intake control, A/C compressor control
Operation switch |
Airflow mode control |
Air intake control |
A/C compressor control |
||||
---|---|---|---|---|---|---|---|
Control prior to switch operation |
Control prior to switch operation |
Control prior to switch operation |
|||||
Automatic control |
Manual control |
Automatic control |
Manual control |
Automatic control |
Manual control |
||
OFF switch
|
Fixed at mode before turned OFF*2
|
No change*2
|
Fixed at mode before turned OFF*2
|
No change*2
|
OFF
|
OFF
|
|
AUTO switch
|
Automatic control
|
Automatic control
|
Automatic control
|
Automatic control
|
Automatic control
|
Automatic control
|
|
Airflow volume control dial
|
+
|
Automatic control
|
No change
|
Automatic control
|
No change
|
Automatic control
|
No change
|
-
|
Automatic control
|
No change
|
Automatic control
|
No change
|
Automatic control
|
No change
|
|
VENT switch
|
No change*2
|
No change*2
|
Automatic control
|
No change*2
|
Automatic control
|
DEFROSTER*3
|
|
BI-LEVEL switch
|
No change*2
|
No change*2
|
Automatic control
|
No change*2
|
Automatic control
|
DEFROSTER*3
|
|
HEAT switch
|
No change*2
|
No change*2
|
Automatic control
|
No change*2
|
Automatic control
|
DEFROSTER*3
|
|
HEAT/DEF switch
|
No change*2
|
No change*2
|
Automatic control
|
No change*2
|
Automatic control
|
DEFROSTER*3
|
|
DEFROSTER switch
|
DEFROSTER
|
DEFROSTER
|
Defroster correction
|
Defroster correction
|
Defroster correction
|
Defroster correction
|
|
A/C switch
|
Automatic control
|
No change
|
Automatic control
|
No change
|
A/C→OFF
OFF→A/C*4
|
A/C→OFF
OFF→A/C*4
|
|
REC switch
|
Automatic control
|
No change
|
FRESH→REC
REC→FRESH
|
FRESH→REC
REC→FRESH
|
Automatic control
|
No change
|
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Temperature setting dial*1
|
15.0
|
Automatic control
|
No change
|
Automatic control
|
No change
|
Automatic control
|
No change
|
15.5—28.5
|
Automatic control
|
No change
|
Automatic control
|
No change
|
Automatic control
|
No change
|
|
29.0
|
Automatic control
|
No change
|
Automatic control
|
No change
|
Automatic control
|
No change
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