FixVault
Home
›
Mazda
›
2017
›
3 Sport, 4D Hatchback, Automatic Trans
›
Repair and Diagnosis
›
Body & Frame
›
Windows
›
Symptom Troubleshooting - Power Window Systems
›
Driver-Side Door Glass Can Be Operated Manually But Cannot Be Operated Automatically [Power Window System]
›
Inspection Using an Oscilloscope
Inspection Using an Oscilloscope
Fig 1: Oscilloscope Signal Waveform - Power Window Main Switch
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