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3 Sport, 4D Hatchback, Automatic Trans
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Symptom Troubleshooting - Power Window Systems
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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
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.
Courtesy of MAZDA MOTORS CORP.