Mazda 2002 Millenia Spezifikationen PDF herunterladen (Seite 337)

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U18

CONTROL SYSTEM

A/C Compressor Control

• The center panel sends an A/C signal to the PCM via the refrigerant pressure switch based on signals sent

from the A/C switch, fan switch and evaporator temperature sensor.

• The PCM controls the A/C relay and IAC valve based on the input signal from the center panel.

A/C signal on/off control

• The center panel turns the A/C signal (magnetic clutch) on and off based on the temperature of the air passing

through the evaporator when the A/C and fan switches are on. This keeps the evaporator surface temperature

within the specified range, preventing the evaporator from freezing while the fan switch and A/C switch are

turned on.

End Of Sie

A6E8540T049

1 Evaporator temperature sensor

2 A/C signal

3 Center panel

4Output

5 A/C relay

6 Magnetic clutch

7IAC valve

A6E8540T047

1 A/C signal on/off decision

2 Evaporator temperature sensor

3 A/C signal

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