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3 s Sport, 2.5L Eng VIN 9, Automatic Trans
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Section 593 (Control System [Body Control Module])
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Body Control Module (BCM) Inspection
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Inspection Using an Oscilloscope (Reference)
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Inspection Using an Oscilloscope (Reference)
WARNING:
This page is about a different car, the 2013 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Intruder Sensor Signal Waveform
Terminal connected: 5N (+)-Body ground (-)
Oscilloscope setting: 5 V/DIV (Y): 5 s/DIV (X), DC range