Hyundai Tucson: Idle Stop and Go (ISG) System / ISG System Off
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Type A
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Type B
Press the ISG OFF button to turn off the ISG system. The ISG OFF button indicator illuminates. To use the system, press the ISG OFF button again.
ISG System Operation
Prerequisite for activation
The driver's seatbelt is fastened.
The driver's door and hood are closed.
The brake vacuum pressure is
adequate.
The battery sensor is activated and
the bat ...
Conditions that Restart the
Engine
The engine is automatically restarted if:
The brake vacuum pressure is low.
The engine has stopped for about 5
minutes.
The air conditioning is ON with the fan
speed set to a certain hig ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Owner's Manual: Motor Driven Power Steering
(MDPS) warning light. Charging system warning
light
Motor Driven Power Steering
(MDPS) warning light
This warning light illuminates:
When the ignition switch is in the ON
position. The Motor Driven Power
Steering warning light illuminates for
about 3 seconds and then goes off.
Whenever there is a malfunction with
the motor driv ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Schematic Diagrams
- Schematic Diagram
• The ISG system is strongly networked with the power management.
• In the event of battery replacement, disconnection of the battery
terminal or after changing the engine management system, the reference
data regarding the battery charge stat ...
