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Inspection Using an Oscilloscope (Reference)

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Power Window Motor Switch Voltage Graph

Courtesy of MAZDA MOTORS CORP.

Terminal:
2D, 2F(+) ↔ ground (-)
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range