Hyundai Equus: Auto Defogging Sensor Description and Operation
Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Auto Defogging Sensor Description and Operation
Second generation VI (2009–2025) / Hyundai Equus VI 2009-2025 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:
Sunroof Glass Repair procedures
Replacement
•
Put on glove to protect your hands.
1.
Remove both sides of the decoration cover (A).
2.
Loosen the mounting screws, then remove the glass (A) by ...
PGS Unit (Back & Blinde Unit) Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the glove box housing (A).
(Refer to Body - "Crach Pad")
3.
Remove the glove box housing connector (A).
4.
Remove t ...
Compressor oil Repair procedures
Oil Specification
1.
The HFC-134a system requires synthetic (PAG) compressor oil
whereas the R-12 system requires mineral compressor oil. The two oils
must never be mixed.
2.
Compressor (P ...
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