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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 ...

    See also:

    Front fog light
    Fog lights are used to provide improved visibility and avoid accidents when visibility is poor due to fog, rain or snow etc. The fog lights will turn on when fog light switch (1) is turned to ...

    General Safety Information and Caution
    Precautions General Precautions Please read the following precautions carefully before performing the airbag system service. Observe the instructions described in this manual, or the airbags c ...

    Height Sensor Components and Components Location
    Components Front Height Sensor 1. Lever2. Braket3. Braket4. Height sensor5. Road Rear Height Sensor 1. Lever2. Height sensor3. Road4. Braket ...

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