A/C Amplifier Function; Defroster Control - Mazda RX-8 2004 Service Highlights

A/C AMPLIFIER FUNCTION

• Receives signals from the climate control unit and sends operation control signals to the actuators.
• A/C amplifier has defroster control.
CLIMATE
CONTROL
UNIT

Defroster Control

• To improve defrosting when the climate control unit airflow mode selector switch is turned to HEAT/DEF or the
defroster switch is on, the defroster control switches air intake to FRESH mode, and switches A/C to ON.
Airflow mode
(REC/FRESH switch pressed)
VENT, BI-LEVEL,
RECIRCULATE⇔FRESH
HEAT
HEAT/DEF,
DEFROSTER
End Of Sie
CONTROL SYSTEM
AIRFLOW MODE ACTUATOR
A/C AMPLIFIER
Air intake mode
FRESH
AIR MIX ACTUATOR
AIRFLOW TEMPERATURE CHANGES
AIRFLOW MODE CHANGES
AIR INTAKE ACTUATOR
AIR INTAKE MODE CHANGES
A/C ON/OFF
(A/C switch pressed)
A/C
OFF
ON
ON
CHU074061480S10
CHU0740S011
07–40
A/C illumination
OFF
ON
ON⇔OFF
07–40–7