Hyundai Tucson: Intake actuator

Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual / Heating, Ventilation and Air Conditioning (HVAC) / Blower / Intake actuator


  1. Intake actuator


  1. Turn the ignition switch OFF.
  2. Disconnect the intake actuator connector.
  3. Verify that the intake actuator operates to the fresh air position when connecting 12V to terminal 3 and grounding terminal 4.

    Verify that the intake actuator operates to the recirculated air position when connected in reverse.

  1. -
  2. -
  3. Recirculated air
  4. Fresh air
  5. Sensor ground
  6. Feedback signal
  7. Sensor (+ 5V)
  1. Connect the intake actuator connector.
  2. Turn the ignition switch ON.
  3. Check the voltage between terminal 5 and 6.

* It will feedback the current position of the actuator to controls.

* It will feedback the current position of the actuator to controls.

  1. If the intake actuator does not operate well, substitute with a known-good intake actuator and check for proper operation.
  2. Replace the intake actuator if it is proved that there is a problem with it.


  1. Disconnect the negative (-) battery terminal.
  2. Remove the main crash pad assembly.

    (Refer to Body (Interior and Exterior) - "Main Crash Pad Assembly")

  3. Disconnect the intake actuator connector (A) and loosen the mounting screws and remove the intake actuator (B).

  1. Install in the reverse order of removal.



    Component Connector Pin Function Replacement Disconnect the negative (-) battery terminal. Remove the front monitor. (Refer to Body Electrical System - "Front Monitor") Remove the heater & AJC control unit (A).

     Advanced Driver Assistance System (ADAS)

     General Information

    Description System Description Advanced Driver Assistance System (ADAS) analyzes the exterior environment of a vehicle and driver status to provide visibility / display / guide / warning for driving and parking. System Configuration Sp


     Main Function

    Static Braking Mode The operation and the cancellation at the stop condition of the vehicle (1) The operation condition: Pull the EPB switch irrespective of the brake pedal pressed condition. (Pull). The Vehicle speed <= 3kph (2

     Electronic Parking Brake (EPB)

    Applying the parking brake To apply EPB (Electronic Parking Brake): Depress and hold the brake pedal. Pull up the EPB switch. Make sure the Parking Brake warning light comes on. EPB (Electronic Parking Brake) may be automatically app