Hyundai Tucson: Auto defogging actuator
Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Heating, Ventilation and Air Conditioning (HVAC) / Heater / Auto defogging actuator
Components Location
- Auto defogging actuator
Inspection
- Turn the ignition switch OFF.
- Disconnect the auto defogging connector.
- Verify that the auto defogging actuator operates to the open position when connecting 12V to terminal 3 and grounding terminal 6
Verify that the auto defogging actuator operates to the close position when connected in reverse.
- -
- -
- DEF (Close)
- DEF (Open)
- Sensor (+ 5V)
- Feedback signal
- Sensoer ground
- Connect the auto defogging actuator connector.
- Turn the ignition switch ON.
- Check the voltage between terminals 5 and 4.
* It will feedback the current position of the actuator to controls.
- If the measured voltage is not within specification, check the operation by replacing the existing auto defogging actuator with a new genuine part. After that, determine whether replacement of the auto defogging actuator is required or not.
- Replace the auto defogging actuator if it is proved that there is a problem with it.
Replacement
- Disconnect the negative (-) battery terminal.
- Remove the main crash pad assembly.
(Refer to Body (Interior and Exterior) - "Main Crash Pad Assembly")
- Disconenct the connector (A) and loosen the mounting screws and remove the auto defogging actuator (B).
- Install in the reverse order of removal.
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Intake duct case LH
Intake seal
Intake door(l)
Intake door(2)
Intake duct case RH
Climate control actuator
PWM blower module
B
Blower - Replacement
Disconnect the negative (-) battery terminal.
Recover the refrigerant with a recovery/recycling/charging station.
(Refer to Air conditioning System - "Repari procedures")
When the engine is cool, drain the engine coolant from the r
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Rear Driveshaft Assembly- Removal
Components
Rear drive shaft
Removal
WARNING
When lifting a vehicle using a lift, be careful not to damage the
lower parts of the vehicle (floor under cover,
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(Refer to General Information - "L
Coupling Assembly- Removal
Inspection
WARNING
All units are filled up with coupling fluid (ultra-low viscosity ATF)
prior to shipping. Inspection, fillup,
and replacement of coupling fluid is therefore not necessary (zero maintenance,
lifetime fluid).
Removal
WARNING
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Owner's Manual
- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual