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 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 ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Mass Air Flow Sensor (MAFS)
- Description
MAFS uses a hot-film type sensing element to measure the mass of intake
air entering the engine, and send the signal to ECM.A large amount of
intake air represents acceleration or high load conditions while a small
amount of intake air represents deceleration or idle. The ECM ...
