Hyundai Kona: ISG (Idle Stop & Go) System / Description and operation

Hyundai Kona (OS) 2018-2025 Service Manual / Engine Control / Fuel System / ISG (Idle Stop & Go) System / Description and operation

Description

Idle Stop & Go (ISG) function automatically switches off the engine when the car is at a standstill if the and starts it again as soon as the brake pedal is released. This not only reduces fuel consumption, it also lowers emissions. Idle Stop & Go (ISG) function also has a built-in sensitivity to driving safety and comfort. The engine is not switched off if certain conditions relating to safety and comfort have not been fulfilled (For example, when the engine oil is still cold, when the battery is running low or when the outside temperature is below 3°C). It can be deactivated by pressing the ISG OFF switch on the crash pad lower panel.Sample scenario: switching off the engine at a standstill at a red traffic light or in stop-and-go traffic.

Operation

1.	Vehicle moving.

2.	Gear is engaged. The accelerator pedal is pressed.

3.	The engine is running.

4.	The driver brakes until the vehicle comes to a standstill.

5.	The driver engages neutral and releases the clutch pedal.

6.	The engine stops. The symbol "AUTO STOP" lights up in the instrument cluster.

7.	The driver wants to continue the journey.

8.	The driver presses the clutch pedal. The engine starts.

9.	The gear can be engaged and the journey continued. The symbol "AUTO STOP" goes out.

ISG (Idle Stop & Go) System

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Components and components location

Components Location 1. Battery sensor 2. Brake Booster Vacuum Pressure Sensor (BBVPS) 3. AGM battery 4. DC/DC Converter [200W] 5. DC/DC Converter [450W] ...

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