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Home >> Kia >> 2020 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 285 (Brake System) >> Stop Lamp Switch >> Repair Procedures >> Inspection >> 2. GDS Data Analysis
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2. GDS Data Analysis

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
  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.

      G12602705Courtesy of HYUNDAI MOTOR AMERICA
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