Hyundai Kona: 4WD Control System / Repair procedures

Adjustment
1.
Description
The friction material inside the coupling will degrade over time. Therefore, corresponding compensation values must be referenced and entered after replacing the controller or the coupling.
2.
Compensation Requirement and Procedure.
1)
Simultaneous replacement of 4WD ECU (Controller) and coupling
• Does not require compensation.
2)
Replacement of coupling only
• Reset the 4WD ECU's (Controller) clutch learning.

3)
Replacement of 4WD ECU (Controller) only
• Before replacement : Check the ECU's clutch learning.

• After replacement: Enter the original ECU's clutch learning into the replacement ECU.

4WD Control System
...

4WD ECU Components and components location
Components Location 1. 4WD ECU ...

Other information:

Hyundai Kona (OS) 2018-2020 Service Manual: DC/DC Converter Description and operation
Description Due to the considerably more frequent occurrence of starting operations, the electrical load that occurs often leads to voltage dips in the vehicle network. In order to stabilize the power supply for certain voltage-sensitive electrical components, a DC/DC conve ...

Hyundai Kona (OS) 2018-2020 Service Manual: Ambient Temperature Sensor (ATS) Specifications
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