Hyundai Equus: Auto Defogging Sensor Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Auto Defogging Sensor Description and Operation
Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Auto Defogging Sensor Description and Operation
| Description |
The auto defogging sensor is installed on the front window
glass. The sensor judges and sends signal if moisture occurs to blow out
wind for defogging. The air conditioner control module receives signal
from the sensor and restrains moisture and eliminate defog by
controlling the intake actuator, A/C, auto defogging actuator, blower
motor rpm, and mode actuator.
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 ...
Auto Defogging Sensor Repair procedures
Inspection
To inspect and diagnose the sensor, refer to Self-Diagnosis procedure and DTC guide.
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Using a screwdriver or remov ...
See also:
Components and Components Location
Components
1. BSD (Blind Spot Detection) switch module (ON/OFF switch & state LED)2. Speaker (Built in the cluster)3. Head Up Display (HUD)4. BSD warning lamp (Built in the outside mirror)5. ...
Limousine Rear Body
Rear body
Roof panel rear cornerSide outer panel rear cornerRear parkage tray panel tooling hole(O23)Side outer panel rear cornerTooling hole (14X10)Tooling hole (O10)
...
Troubleshooting
Troubleshooting
Category Error symptoms inspection item Detailed inspection item Related partsLighting
•
HUD not working
•
Lighting brightness not automatically controlled (no diff ...
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