Hyundai Kona: Charging System / DC/DC Converter Repair procedures

Hyundai Kona (OS) 2018-2025 Service Manual / Engine Electrical System / Charging System / DC/DC Converter Repair procedures

Removal

[200W]

1.	Turn the ignition switch OFF and disconnect the battery negative (-) terminal.

2.	Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel")

3.	Disconnect the DC/DC converter connector.

4.	Remove the DC/DC converter (B) after removing the nuts (A).

[450W]

1.	Turn the ignition switch OFF and disconnect the battery negative (-) terminal.

2.	Remove the heater & A/C control unit. (Refer to Heating, Ventilation and Air Conditioning - "Heater & A/C Control Unit")

3.	Disconnect the DC/DC converter connector (A).

4.	Remove the DC/DC converter (B) after removing the screw & nuts.

Installation

Install in the reverse order of removal.

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When the negative battery terminal is reconnected, the ISG function will not operate for about 4 hours until the system stabilizes.

If the negative (-) battery terminal has been disconnected from the battery during repair work for a vehicle equipped with ISG function, battery sensor recalibration procedure should be performed after the repair work.

(Refer to Charging System - "Battery Sensor")

DC/DC Converter Schematic diagrams

Circuit Diagram [200W] [450W] ...

Battery Specifications

Specification ▷AGM60L-DIN Item Specification Capacity [20 hr / 5 hr] (AH) 60/48 Cold Cranking Amperage (A) ...

Other information:

Hyundai Kona (OS) 2018-2025 Owners Manual: Tire Pressure Monitoring System (TPMS) (Type A)
(1) Low tire pressure telltale / TPMS malfunction indicator Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label. (If your vehicle ha ...

Hyundai Kona (OS) 2018-2025 Service Manual: Battery Sensor Repair procedures
Removal 1. Disconnect the battery negative (-) cable. 2. Turn the ignition switch OFF. 3. Disconnect the battery (-) terminal (A). Battery negative (-) terminal tightening nut : ...