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

Hyundai Kona (OS) 2018-2026 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) 2018-2026 Service Manual: Troubleshooting
Troubleshooting Problem Symptoms Table Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table below to help you find the cause of the probl ...

Hyundai Kona (OS) 2018-2026 Service Manual: Accelerator Position Sensor (APS) Specifications
Specification Accelerator Position Output Voltage (V) APS1 APS2 C.T 0.7 - 0.8 0.325 - 0.425 W.O.T 3.98 - 4.22 1.93 - 2.17 ...