Mike's Workshop Manuals
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Mazda
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2012
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3 s Sport, 2.5L Eng VIN 6, Automatic Trans
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Engine Control System [MZR 2.0, MZR 2.5]
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Pcm Inspection
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Inspection Using An Oscilloscope (Reference)
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CMP signal
CMP signal
Fig 1: CMP Signal Waveform Graph
PCM terminals
2S(+)-body ground(-)
Oscilloscope setting
1 V/DIV (Y), 25 ms/DIV (X), DC range
Vehicle condition
Idle after warm up