April 5, 2026: LEMON Manuals is launched! Read the announcement.

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