Pattern 1

Fig 1: FBCM Terminals Voltage Oscilloscope Graph

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