Mazda 626 Station Wagon, Workshop Manual, Page: 542 / 577

FULL-AUTO AIR CONDITIONER CONTROL SYSTEM
A I R F L O W T E M P E R A T U R E C O N T R O L
• Airflow temperature is controlled by the air mix actuator so that passenger compartment temperature remains
at the target temperature.
A
TEMP
?
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1 Set temperature
2 Sunlight intensity
3 Ambient temperature
4 Cabin temperature
5 Airflow mode
6
Air intake mode
7
A/C compressor control condition
8 Signals
9 Climate control unit
10
Output
11
Feedback
12 Air mix actuator
13 Operation
14 Air mix door
15
Airflow temperature changes
16 Coolant temperature
C o r r e c t i o n
C o o l a n t t e m p e r a t u r e c o r r e c t io n ( R F T u r b o o n ly )
• There are cases where the engine coolant temperature is lowered when continuously idling in extremely low
outside temperatures. To prevent lower airflow temperature in this situation, the climate control unit adjusts the
air mix actuator opening to HOT according to the engine coolant temperature.
U -8