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3 Sport, 4D Hatchback, Automatic Trans
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Symptom Troubleshooting - Power Window System
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Driver-Side Door Glass Can Be Operated Manually But Cannot Be Operated Automatically
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Inspection Using an Oscilloscope
Inspection Using an Oscilloscope
Fig 1: Power Window Main Switch Waveform
Courtesy of MACK TRUCKS, INC.
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