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Home >> Hyundai >> 2017 >> Elantra Eco >> Repair and Diagnosis >> Electrical >> Charging Systems >> Idle Stop And Go (ISG) System >> Brake Switch >> Repair Procedures >> Inspection >> GDS Data Analysis

GDS Data Analysis

  1. Analyze GDS data and confirm if there is anything wrong with the stop lamp switch.
    1. Connect the GDS to the self-diagnosis connector.
    2. Turn the spark switch on
    3. Step on the brake pedal.
    4. Inspect the "brake switch" category that displays the "sensor data" GDS.

      Normal waveform:  The pressure sensor signal value will change according to the brake ON/OFF switch.

    Fig 1: Scantool Display - Normal Waveform
    G12020788Courtesy of HYUNDAI MOTOR AMERICA
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