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: Electric EGR Control Valve
- Description
The Electric EGR Control Valve is installed in between the EGR cooler
and the exhaust line and is a solenoid valve. This valve controls EGR
(Exhaust Gas Recirculation) amount by the ECM's duty control signal
depending on engine load and the need of intake air.The Exhaust Gas
...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Oil hydraulic Motor(Actuator)
- Description
The 4WD ECM controls the Pump Motor Pump (Actuator) to generating an
oil pressure. The pressure engages a multiple disk clutch to transfer
torque to the rear wheels. The torque to the rear wheels varies
according to the pressure on the clutch.
- Circuit Diagram
- ...
