Hyundai Elantra (CN7): Warning and Indicator Lights / Malfunction Indicator Lamp (MIL)

This warning light illuminates:

  • When you place the ignition switch to the ON position.
    -- The malfunction indicator light illuminates for about 3 seconds and then goes off.
  • Whenever there is a malfunction with either the emission control system or the engine or the vehicle powertrain. If this occurs, have the vehicle inspected by an authorized HYUNDAI dealer.

NOTICE

Driving with the Malfunction Indicator Lamp (MIL) on may cause damage to the emission control system which could affect drivability and/or fuel economy.

NOTICE

If the Malfunction Indicator Lamp (MIL) illuminates, potential catalytic converter damage is possible which could result in loss of engine power.

In this case, have the vehicle inspected by an authorized HYUNDAI dealer as soon as possible.

    This warning light illuminates: When you place the ignition switch to the ON position. -- The Electric Power Steering Warning light illuminates for about 3 seconds and then goes off.

    When this warning light illuminates while the engine is running, the battery is not being charged. Immediately turn OFF all electrical accessories.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Power Mosfet

    Description and operation DescriptionIt is installed to the DATC and adjusts the fan rpm by precisely controlling the voltage applied to the blower motor. Repair procedures Inspection1.Manually operate the control switch and measure the voltage of the blower motor.

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Smart Cruise Control (SCC) Switch

    Schematic diagrams Circuit DiagramTRIP / SCC / LFA Repair procedures Inspection1.Check for resistance between terminals in each switch position (LH).[LH : Audio + Hands free] Switch Resistance (±5%) SEEK Up430 ΩSEEK Down1.

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