July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Inspection Using an Oscilloscope

Power window main switch: 2D, 2F (+) <==> ground (-)
Power window motor: B, C (+) <==> ground (-)
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range

Fig 1: Power Window Motor Voltage Pattern
Courtesy of MAZDA MOTORS CORP.