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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brake System (Except HEV) >> Stop Lamp 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.

      G14526101Courtesy of HYUNDAI MOTOR AMERICA
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