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CONTROL SYSTEM U–29 U Airflow Volume Manual Control • The blower motor (airflow) has seven speeds and is operated by the fan switch. End Of Sie AIRFLOW MODE CONTROL A6E854001044T06 • Airflow mode is controlled by the airflow mode actuator to improve efficiency, heating, and A/C comfort. . Fan speed Switch operation Control device Blower motor voltage 1st Airflow volume automatic control, manual 2nd (– → manual 1st Power MOS FET 4.4 (V) 2nd Airflow volume automatic control, manual 1st → manual 2nd Power MOS FET 6.1 (V) 3rd Airflow volume automatic control, manual 2nd → manual 3rd Power MOS FET 7.8 (V) 4th Airflow volume automatic control, manual 3rd → manual 4th Power MOS FET 9.5 (V) 5th Airflow volume automatic control, manual 4th → manual 5th Power MOS FET 10.8 (V) 6th Airflow volume automatic control, manual 5th → manual 6th Power MOS FET 12.1 (V) 7th Airflow volume automatic control, manual 6th → manual 7th Power MOS FET B+ A6E8540T045 1 MODE switch 2 Evaporator temperature 3 Ambient temperature 4 Sunlight intensity 5 Coolant temperature 6 Cabin temperature 7 Air mix actuator opening degree 8 A/C compressor control condition 9 Signals 10 Climate control unit 11 Output 12 Feedback 13 Airflow modeactuator 14 Operation 15 Airflow mode doors 16 Airflow mode changes |