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Pcm Inspection
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Inspection Using An Oscilloscope (Reference)
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CMP signal
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CMP signal
Fig 1: CMP Voltage Signal Waveform
Courtesy of MAZDA MOTORS CORP.
PCM terminals
2S(+) - body ground (-)
Oscilloscope setting
5 V/DIV (Y), 20 ms/DIV (X), DC range
Vehicle condition
idle (after warm up)