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2015
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CX-5 Touring, AWD
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Repair and Diagnosis
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Section 39 (Control System [Body Control Module])
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Front Body Control Module (FBCM) Inspection
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Inspection Using an Oscilloscope (Reference)
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WARNING:
This page is about a different car, the 2013 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
Terminal:
Brake fluid level signal: 2Q (+) <==> ground (-)
Washer level signal: 2S (+) <==> ground (-)
Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range
Fig 1: Brake And Washer Fluid Level Signal Voltage Waveform