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Hyundai Equus: Air Quality Sensor (AQS) Description and Operation - Air Conditioning System - Heating, Ventilation and Air Conditioning - Hyundai Equus VI 2009-2022 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 LCD monitor Components and Components Location
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    Head Up Display Information
    1. Cruise setting speed 2. Lane Departure Warning System (LDWS) information (if equipped) 3. Advanced Smart Cruise Control (ASCC) information (if equipped) 4. Road signs 5. Speedometer 6. Tur ...

    Steering Wheel Remote Controller (SWRC) Troubleshooting
    Initialization and Troubleshooting Procedures 1. Initialization Procedure : Disconnect (connector or battery) for 30 seconds (time required for internal condenser discharge), then reconnect the p ...

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