KIA Niro: Air Ventilation Seat

Air Ventilation Seat Components and components location

  1. Ventilation seat blower
  2. Ventilation seat unit (Assist seat only)

Circuit Diagram



Ventilation Blower

  1. Disconnect the negative (-) battery terminal.
  2. Remove the front seat assembly.

    (Refer to Body - "Front Seat Assembly")

  3. Disconnect the ventilation blower connector (A).

  1. Remove the ventilation blower ducts (A) after removing the screw and clips.

  1. Remove the blower fan (A) after removing the screws.

Ventilation Seat Unit

Ventilation Seat Unit

  1. Disconnect the negative (-) battery terminal.
  2. Remove the assist front seat assembly.

    (Refer to Body - "Front Seat Assembly")

  3. Remove the front seat cushion cover.

    (Refer to Body - "Front Seat Cushion Cover")

  4. Remove the front seat cushion panel (A) after loosening the mounting bolts.

  1. Disconnect the ventilation seat unit connectors (A).

  1. Remove the ventilation seat unit (A) after loosening the mounting screws.



  1. Install in the reverse order of removal.


Ventilation Seat Diagnostic Mode

Ventilated seat is largely composed of seat ventilation unit for control, switch for input and blower for output.

The diagnostic mode for checking normal operation of these three components has the following functions.

  1. Operate seat heater switch to enter diagnostic mode.
  2. Enter diagnostic mode by referring to below timing chart and explanation.
  3. Press seat heater switch as below.

(1) Press seat heater switch for over 3 seconds.

(2) Release the switch for less than 3 seconds, and press again for 1.5-3 seconds.

(3) Release the switch for less than 3 seconds, and press again for over 3 seconds.

  1. Diagnostic mode will start immediately after 3 LED lamps of seat heater switch (Low, Mid, High) blink once.

(1) In self-diagnostic mode, only the seat heater switch LED lamps will operate.

(2) If two or more errors are detected, the lamps will blink in sequence with intervals of 2 seconds for each error code.

  1. After entering diagnostic mode, check LED blinking status to check errors.

  1. Inspect cause of failure indicated by LED status.
  2. Trouble code will be recorded by seat ventilation unit.
  3. When the passenger side seat heater switch is pressed for over 5 seconds, the LED will blink 4 times and trouble code will be deleted.
  4. Switch "OFF" ignition to exit diagnostic mode of ventilated seat.
  5. Switch "ON" ignition and check that seat ventilation system works properly. To check trouble code, refer to step 2 again.


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