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 Service Manual: Joint Assembly (Transaxle side)
    - Removal     • Drive shaft joints require special grease, so do not add any other type of grease. • When replacing the boot band, it must be a new one. 1.Remove the front drive shaft.(Refer to Driveshaft Assembly - "Front Driveshaft") 2.Remove the transaxle side large ...

    Hyundai Tucson (NX4) 2022-2026 Service Manual: UD Clutch Control Solenoid Valve (UD/C_VFS)
    - Description • UD Clutch control solenoid valve is a Variable Force Solenoid (VFS) type. • When TCM supplies variable current to solenoid valve, hydraulic pressure of UD clutch is controlled directly by solenoid valve. - Components Location 1. 28 Brake control solenoid valve ...

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