Hyundai Ioniq (AE): Windshield Defrosting and Defogging / Auto Defogging System
Auto defogging system reduces the possibility of fogging up the inside of the windshield by automatically sensing the moisture on inside the windshield.
The auto defogging system operates when the heater or air conditioning is on.
When the Auto Defogging System operates, the indicator will illuminate.
If high levels of moisture are sensed in the vehicle, the Auto Defogging System will operate in the following order:
Step 1 : Outside air position
Step 2 : Operating the air conditioning
Step 3 : Blowing air toward the windshield
Step 4 : Increasing air flow toward the windshield
If the air conditioning is off or recirculated air position is manually selected while Auto Defogging System is ON, the Auto Defogging System Indicator will blink 3 times to signal that the manual operation has been canceled.
To cancel or reset the Auto Defogging System
Press the front windshield defroster button for 3 seconds when the Engine Start/Stop button is in the ON position. When the Auto Defogging System is canceled, the ADS OFF symbol will blink 3 times and ADS OFF will be displayed on the climate control information screen.
When the Auto Defogging System is reset, the ADS OFF symbol will blink 6 times without a signal.
Information
- When the air conditioning is turned on by Auto defogging system, if you try to turn off the air conditioning, the indicator will blink 3 times and the air conditioning will not be turned off.
- For efficiency, do not select recirculated air position while the Auto defogging system is operating.
- When Auto defogging mode is selected, fan speed, temperature and intake mode which is adjusted manually are canceled for better defogging result.
NOTICE
Do not remove the sensor cover located on the upper end of the windshield glass.
Damage to system parts could occur and may not be covered by your vehicle warranty.
NOTICE To prevent damage to the conductors bonded to the inside surface of the rear window, never use sharp instruments or window cleaners containing abrasives to clean the window.
Automatic Ventilation When the Engine Start/Stop button is in the ON position or when the vehicle is in the ready () mode and temperature is below 59°F (15°C) with the recirculated air position selected more than five minutes, the air intake position will automatically change to the outside (fresh) air position.
Other information:
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: A/C Pressure Transducer. Description and operation
DescriptionThe A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed. Engine ECU stops the operation of the compressor when the temperature of refrigerant line is very high or very
Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual: Auto Defoging Actuator. Repair procedures
Inspection1.Turn the ignition switch OFF. 2.Disconnect the auto defogging connector. 3.Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 4. Verify that the auto defogging actuator operates to the close position when connected in reverse.
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