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Home >> Hyundai >> 2021 >> Sonata SEL Plus >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Idle Stop & Go (ISG) System - 1.6L (Except HEV) >> Brake Switch >> Repair Procedures >> Inspection >> diagnostic tool Data Analysis

diagnostic tool Data Analysis

  1. Analyze diagnostic tool data and confirm if there is anything wrong with the stop lamp switch.
    1. Connect the diagnostic tool 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" diagnostic tool.

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

      G14625947Courtesy of HYUNDAI MOTOR AMERICA
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