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Hyundai Equus: Air Quality Sensor (AQS) Description and Operation - Air Conditioning System - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2024 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 ...

    See also:

    Air Spring Description and Operation
    Description Because of the design layout, the air spring and the shock absorber (damper) is separated. The average (target) pressure of rear air spring for normal operation is around 8.5 bar. ...

    Hood Weatherstrip Repair procedures
    Replacement 1. Remove the glue on end of both sides before removing the hood weatherstrip (A).     • Be careful not to scratch the hood weatherstrip. 2. Installatio ...

    Cleaning the lap/shoulder belt webbing
    Clean the belt webbing with any mild soap solution recommended for cleaning upholstery or carpet. Follow the instructions provided with the soap. Do not bleach or re-dye the webbing because this m ...

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