Hyundai Kona: ISG (Idle Stop & Go) 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
  
•
After reconnecting the battery negative cable, ISG function does not operates until the system is stabilized, about 4 hours. If disconnecting the negative (-) battery cable from the battery during repair work for the vehicle equipped with AMS function, Battery sensor recalibration procedure should be performed after finishing the repair work.
1.
Install in the reverse order of removal.
DC/DC Converter Schematic diagrams
Circuit Diagram [200W] [450W] ...

ISG OFF Switch Description and operation
Description The ISG OFF switch on the floor console can be used to deactivate the ISG function. ...

Other information:

Hyundai Kona (OS) 2018-2026 Owners Manual: Emergency commodity
Your vehicle is equipped with emergency commodities to help you respond to emergency situation. Fire extinguisher If there is small fire and you know how to use the fire extinguisher, follow these steps carefully. 1. Pull out the safety pin at the top of the extinguisher that keeps the handle fro ...

Hyundai Kona (OS) 2018-2026 Service Manual: General information
Basic Service Symbols There are five primary symbols used to complement illustrations. These symbols indicated the materials to be applied to parts during service. Symbol Meaning Do not reuse the part. Replace a new o ...

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