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Pattern 1

Fig 1: FBCM Terminal Voltage Wave Pattern

Courtesy of MAZDA MOTORS CORP.

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