Hyundai Kona: Seat Electrical / Power Seat Motor Repair procedures

Inspection
Power Seat Motor
1.
Disconnect the connectors for each motor.
[Slide Motor]

[Rear Height Motor]

[Front Height Motor]

[Reclining 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.
[Driver / Assist]

[Reclining Motor Limit Switch]
  
The power seat motor(IMS specification) mounted in this vehicle uses the hole sensor to calculate the maximum operation distance, so it does not require limit switch.
But, NON- IMS specification driver seat and passenger seat have limit switches in the motor in the back of the chairs.
1.
Disconnect the limit switch and operate the limit switch.
2.
Check for continuity between the terminals.
3.
Make sure that the seat operation is normal in the reverse after the maximum operation.
4.
If there is an abnormality, replace the limit switch.

Remove
Front Seat
1.
Disconnect the battery terminals.
2.
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
Power Seat Motor Components and components location
Component Location 1. Lumber support motor (Horizontal) 2. Rear height motor 3. Reclining motor 4. Slide motor 5. Front height motor 6. ...

Power Seat Control Switch Schematic diagrams
Circuit Diagram ...

Other information:

Hyundai Kona (OS) 2018-2021 Owners Manual: Non-operational conditions of Parking Distance Warning (Reverse/Forward) system
Parking Distance Warning (Reverse/Forward) system may not operate normally when: Moisture is frozen to the sensor. Sensor is covered with foreign matter, such as snow or water, or the sensor cover is blocked. There is a possibility of Parking Distance Warning (Reverse/Forward) system malfuncti ...

Hyundai Kona (OS) 2018-2021 Service Manual: Gear Actuator Assembly Repair procedures
Removal 1. Remove the air cleaner assembly and air duct. (Refer to Engine Mechanical System - "Air Cleaner") 2. Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery") ...

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