Inspection Using an Oscilloscope (Reference)

Pattern 1 

Fig 1: Brake Fluid Level Switch Signal Pattern 1

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• Terminal:
  • Brake fluid level switch signal: 2Q (+) ↔ground (-)
  • Washer level switch signal: 2S (+) ↔ground (-)
• Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range