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CONTROL SYSTEM U–21 U Outline of Control System • In the full-auto air conditioner system, the climate control unit carries out five basic types of controls based on Basic control Control description Correction Airflow temperature control Airflow temperature automatic • Air intake correction • A/C correction • MAX HOT and MAX COLD correction • Coolant temperature correction • Fail-safe function Airflow volume control Airflow volume automatic control • Coolant temperature correction (warm-up correction) • Mild start correction • MAX HOT and MAX COLD correction • Windshield mist prevention correction • Start compensation correction • Defroster correction • Fail-safe function Airflow volume manual control • Defroster correction • Fail-safe function Airflow mode control Airflow mode automatic control • Ambient temperature correction (European (L.H.D. • Coolant temperature correction • Fail-safe function Airflow mode manual control • Fail-safe function Air intake control Air intake automatic control • MAX COLD correction • Defroster correction • Ambient temperature correction • A/C OFF correction Air intake manual control • Defroster correction A/C compressor control A/C compressor automatic control • Defroster correction • Ambient temperature correction • Windshield mist prevention correction • MAX COLD correction A/C compressor manual control • Defroster correction • Ambient temperature correction • Windshield mist prevention correction Supplementary function Sensor fail-safe function Sensor signal delay function On-board diagnostic function |