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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 [Power Window System]
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Inspection Using an Oscilloscope
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Inspection Using an Oscilloscope
Fig 1: Power Window Voltage Characteristics
Courtesy of MAZDA MOTORS CORP.
Power window main switch: 2D (+), 2F (+) ↔ ground (-)
Power window motor (LH): B (+), F (+) ↔ ground (-)
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range
Courtesy of MAZDA MOTORS CORP.