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Inspection Using An Oscilloscope (Reference) CKP
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CMP
Inspection Using An Oscilloscope (Reference) CKP: CMP
PCM terminal: 28 (+)-2 (-)
Oscilloscope setting: 0.5V/DIV (Y), 10ms/DIV (X), AC range
Vehicle condition: idle after warm up
Fig 1: Identifying CMP Signal Waveform
Courtesy of MAZDA MOTORS CORP.