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Mazda
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2009
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6 i SV, 2.5 A
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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 (L5)
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Pcm Inspection [L5]
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Inspection Using An Oscilloscope (Reference)
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CMP sensor signal
CMP sensor signal
Fig 1: CMP Sensor Signal Waveform Graph
Courtesy of MAZDA MOTORS CORP.
PCM terminals
2S(+)-body ground(-)
Oscilloscope setting
1 V/DIV (Y), 25 ms/DIV (X), DC range
Vehicle condition
Idle after warm up