KIA Niro: Seat Heater Repair procedures

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Body Electrical System / Seat Heater / Seat Heater Repair procedures

Inspection

Front Seat Heater

  1. Check for continuity and measure the resistance between power terminal (heater : 3, ventilation : 4) and ground terminal (6).

Standard value

Driver / Assists (cushion + back)

Heater seat : 1.77Ω+-10%/23ºC

Ventilation seat : 1.93Ω+-10%/23ºC

Rear Seat Heater

Rear Seat Heater

  1. Check for continuity and measure the resistance between terminals No 1 and No 4.

Standard value

Rear seat (Cushion only) : 3.16Ω+-10%/23ºC

Seat Heater Unit Diagnostic Mode

Seat Heater Unit Diagnostic Mode

  1. Enter diagnostic mode by operating the seat heater switch.
  2. Enter diagnostic mode by referring to the below description.
  • Keep pressing the seat heater switch for over 3 seconds and release the switch. Then, within 2 seconds, press the switch again for over 3 seconds.
  • When diagnostic mode is entered, all switch LEDs will blink once.
  1. After entering diagnostic mode, check cause of failure according to blinking or illumination of LEDs.

Driver Side / Passenger Side Seat Heater

1st Row Seat Heater Unit

2nd Row Seat Heater Unit

2nd Row Seat Heater Unit

  1. Check the defective area by the blinking pattern of LED lamps.
  2. Error is recorded by the seat heater unit.
  3. Error memory can be deleted by pressing the seat heater switch for over 5 seconds with the LED lamps blinking four times.
  4. Switching "OFF" the ignition will end the diagnostic mode for seat heater unit.
  5. Switch "ON" the ignition and check that seat heater system operates properly. To check the error code, refer to step 2 above.

Removal

Front Seat Heater Unit

  1. Remove the passenger seat assembly.

    (Refer to Body - "Front Seat assembly")

Warning

Before removing the passenger side seat assembly, pull upward to the maximum by pushing the front seat height adjusting switch (A).

  1. Remove the front seat cushion cover.

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

  2. Remove the front seat cushoin 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.

Rear Seat Heater Unit

Rear Seat Heater Unit

  1. Remove the rear seat cushion.

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

  2. Remove the rear seat heater unit (A) by loosening the screws.

Installation

Installation

  1. Install in the reverse order of removal.

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