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Hyundai Equus: Air Quality Sensor (AQS) Description and Operation - Air Conditioning System - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2025 Service ManualHyundai Equus: Air Quality Sensor (AQS) Description and Operation

Desciption
The Air Quality Sensor (AQS) is located at the center support in front of the engine radiator. It detects hazardous elements in ambient air providing output signal to the control.
AQS will detect sulfurous acid gas, carbon dioxide, carbon monoxide, hydrocarbon and allergen.
    Ambient Temperature Sensor Repair procedures
    Inspection 1. Turn the ignition switch OFF. 2. Remove the front bumper. (Refer to Body - "Front Bumper Cover") 3. Disconnect ambient temperature sensor. 4. Check the resistance of the ...

    Air Quality Sensor (AQS) Repair procedures
    Inspection 1. Turn the ignition switch OFF. 2. Connect the GDS. 3. Check the output voltage of AQS between terminal 2 and 3. 1. DC 12V( Ignition)2. Sensor ground3. AQS signal Specif ...

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    Ambient Temperature Sensor Repair procedures
    Inspection 1. Turn the ignition switch OFF. 2. Remove the front bumper. (Refer to Body - "Front Bumper Cover") 3. Disconnect ambient temperature sensor. 4. Check the resistance of the ...

    Crach Pad Center Panel Components and Components Location
    Component Location 1. Crash pad center panel ...

    Trip A/B
    ✽ NOTICE If you reset one of the tripmeter, elapsed time, and average vehicle speed, they will be reset all together. Tripmeter (1) The tripmeter is the total driving distance since t ...

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