Pattern 1

Fig 1: FBCM Oscilloscope Waveform Pattern 1

Courtesy of MAZDA MOTORS CORP.

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