Inspection Using an Oscilloscope (Reference)
WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
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