Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Idle Stop and Go (ISG) System / ISG Malfunction

ISG system may not operate if:

  • The Auto Stop () 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) 2022-2026 Owner's Manual: Air Cleaner
    Filter Replacement The air cleaner filter can be cleaned for inspection using compressed air. Do not attempt to wash or rinse it, because water can damage the filter. If soiled, replace the air cleaner filter. 1. Pull up the air cleaner filter cover 1. 2. Pull down the lever to the ...

    Hyundai Tucson (NX4) 2022-2026 Service Manual: Torque Converter Clutch Control Solenoid Valve (T/CON_VFS)
    - Description • Torque converter control solenoid valve (T/CON_VFS) is attached to the valve body. • This variable force solenoid valve indirectly controls the hydraulic pressure inside the torque converter. - Components Location 1. 28 Brake control solenoid valve (28/B_VFS)2. 4 ...

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