Hyundai Kona: Seat Electrical / Lumber Support Units Repair procedures

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
3.
Remove the seat back.
(Refer to Body - "Front Seat Back Cover")
4.
Disconnect the lumber support motor connector (A).

5.
Remove the lumber support assembly (C) after disconnect the seat back spring (A) and cable (B).

Installation
1.
Install the lumbar support assembly.
2.
Install the seat back cover.
3.
Install the front seat assembly.
  
Make sure that the connectors are plugged in properly.
Check the rear lumbar support system.
Inspection
Lumbar Support Motor
1.
Disconnect the connectors for each motor.
[Lumbar Support Motor]

2.
With the battery connected directly to the motor terminals, check if the motors run smoothly.
3.
Reverse the connections and check that the motor turns in reverse.
4.
If there is an abnormality, replace the motors.

Air Ventilation Seat Repair procedures
Removal [Ventilation Blower] 1. Disconnect the negative (-) battery terminal. 2. Remove the front seat. ...

Fuses And Relays
...

Other information:

Hyundai Kona (OS) 2018-2021 Owners Manual: Climate control air filter
This filter is installed behind the glove box. It filters the dust or other pollutants that enter the vehicle through the heating and air conditioning system. We recommend that the climate control air filter be replaced by an authorized HYUNDAI dealer according to the maintenance schedule. If the ...

Hyundai Kona (OS) 2018-2021 Service Manual: Troubleshooting
Failure Diagnosis 1. In principle, ESP and TCS controls are prohibited in case of ABS failure. 2. When ESP or TCS fails, only the failed system control is prohibited. 3. However, when the solenoid valve relay s ...

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