Inspection Using an Oscilloscope (Reference)

Intruder sensor signal 

• Terminal connected: 5N (+)-Body ground (-)
• Oscilloscope setting: 5 V/DIV (Y): 5 s/DIV (X), DC range
  Fig 1: Oscilloscope Waveform Graph (Intruder Sensor Signal)

  Courtesy of MAZDA MOTORS CORP.