Hyundai Kona: ISG (Idle Stop and Go) system / The battery sensor deactivation

The battery sensor is deactivated, when the battery is disconnected from the negative pole for maintenance purpose.

In this case, the ISG system is limitedly operated due to the battery sensor deactivation. Thus, the driver needs to take the following procedures to reactivate the battery sensor after disconnecting the battery.

ISG system malfunction
The ISG system may not operate: When there is a malfunction with the ISG sensors or the ISG system. The followings occur, when there is a malfunction with the ISG system: The auto stop indicator () ...

Prerequisites to reactivate the battery sensor
Keep the engine in the OFF status for 4 hours, and attempt to restart the engine 3 to 4 times for the batterysensor reactivation. Pay extreme caution not to connect any accessories (i.e. navigation a ...

Other information:

Hyundai Kona (OS) 2018-2024 Service Manual: Heater & A/C Control Unit (Manual) Repair procedures
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel. (Refer to Crash Pad - "Crash Pad Lower Panel") 3. Remove the cr ...

Hyundai Kona (OS) 2018-2024 Service Manual: Turn Signal Lamp Repair procedures
Removal Front turn signal lamp 1. Disconnect the negative (-) battery terminal. 2. Remove the Daytime Running Light (DRL). (Refer to Lighting system - "Daytime Running Light (DRL)" ) ...

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