Hyundai Elantra (CN7): ISG (Idle Stop and Go) system / ISG System Malfunction

The ISG system may not operate:

When there is a malfunction with the ISG sensors or the ISG system.

The followings occur, when there is a malfunction with the ISG system:

  • The auto stop indicator ( ) will illuminate in yellow on the instrument cluster.
  • The light on the ISG OFF button will illuminate.

Information

  • When you cannot turn OFF the ISG OFF button indicator by pressing the ISG OFF button, or when the malfunction with the ISG system persists, contact an authorized HYUNDAI dealer.
  • You can turn off the ISG OFF button indicator by driving over 50 mph (80 km/h) for up to 2 hours with the fan speed below the 2nd position. If the ISG OFF button indicator remains ON, contact an authorized HYUNDAI dealer.

WARNING

When the engine is in auto stop mode, the engine may restart. Before leaving the vehicle or checking the engine compartment, stop the engine placing the ignition switch to the LOCK/OFF position or remove the ignition key.

    Press the ISG OFF button to deactivate the ISG system. Then, the ISG OFF button indicator illuminates. Press the ISG OFF button again to reactivate the ISG system.

    [A] : Battery sensor The battery sensor is deactivated, when the battery is disconnected from the negative pole for maintenance purpose. In this case, the ISG system is limitedly operated due to the battery sensor deactivation.

    Other information:

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Immobilizer Control Unit

    Components and components location Components (1)With Smart KeyConnector Pin Information Pin no Connector A Connector B Connector C Connector D Connector E 1ESCL

    Hyundai Elantra (CN7) 2021-2025 Service Manual: Intake Actuator

    Description and operation DescriptionThe intake actuator is located at the blower unit. It regulates the intake door by a signal from the control unit. Pressing the intake selection switch will shift between recirculation and fresh air modes. Components and components location Components Location1.

    Categories

     
    Copyright В© 2025 www.helantra7.com - 0.0189