Hyundai Equus: Auto Defogging Sensor Description and Operation
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Heating, Ventilation and Air Conditioning / Air Conditioning System / Auto Defogging Sensor Description and Operation
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 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:
4&OD Clutch Control Solenoid Valve Description and Operation
Description
4&OD Clutch control solenoid valve is attached to the
valve body. This variable force solenoid valve directly controls the
hydraulic pressure inside the 4&OD Clutch. ...
Hill-start assist control (HAC)
A vehicle has the tendency to roll back on a steep hill when the driver begins
to accelerate after a stop. The Hill-start Assist Control (HAC) prevents the vehicle
from rolling back by operating t ...
Distance to distance vehicle sensor
The sensor detects distance to the vehicle ahead.
If the sensor is covered with dirt or other foreign matter, the vehicle to vehicle
distance control may not operate correctly.
Always keep the ...
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