Hyundai Tucson: Idle Stop and Go (ISG) System / ISG Malfunction
ISG system may not operate if:
- The Auto Stop (
.png)
)
indicator
illuminates in yellow on the
instrument cluster. - The ISG OFF button illuminates.
Contact an authorized HYUNDAI dealer for assistance.
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 ...
Calibrating the Battery Sensor
If the AGM battery is reconnected or
replaced, the ISG system does not
operate immediately. If you want to use
the system, the battery sensor needs to
be calibrated following the procedure.
1 ...
Other information:
Hyundai Tucson (NX4) 2022-2025 Service Manual: Air Cleaner
- Removal and installation
Air Cleaner Assembly
1.Disconnect the battery negative terminal.
2.Remove the engine cover.(Refer to Engine And Transaxle Assembly - “Engine Cover”)
3.Remove the air duct (A).
4.Remove the air cleaner assembly.(1)Disconnect the air flow sensor connector (A) ...
Hyundai Tucson (NX4) 2022-2025 Service Manual: Lumber Support System
- Removal
1.Disconnect the negative (-) battery terminal.
2.Remove the front seat back cover.(Refer to Body - "Front Seat Back Cover")
3.Disconnect motor connecotor (A).
4.Remove the front side airbag (A).
5.Remove the lumber support cable bracket after loosening mounting screws.
6.R ...
