Inspection Using an Oscilloscope

Fig 1: Power Window System Output Voltage Graph

Courtesy of MAZDA MOTORS CORP.

• 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