Hyundai Equus: Air Quality Sensor (AQS) Description and Operation
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Air Quality Sensor (AQS) Description and Operation
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / 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:
Hazard Lamp Switch Repair procedures
Inspection
1.
Check "IPM" input/output specification of hazard lamp switch
using the GDS. If the specification is abnormal, replace the hazard
switch module.
2.
Select option "Input/output ...
Opening the Fuel Filler Lid
1. Turn the engine off.
2. Push the fuel filler lid opener button located on the driver’s door. Then the
fuel filler lid slowly open (1).
3. To remove the fuel tank cap (2), turn it counterclock ...
High mounted stop light
1. Remove the rear seat
5 Seater
1.Disconnect the negative battery cable.
2.Remove the rear seat cushion.
3.Loosen the mounting bolts, then remove the rear seat back.
4.Disconnect the conne ...
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