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Mazda
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2012
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3 Mazdaspeed, 2.3L Eng VIN 4
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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 2.3 DISI Turbo]
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Pcm Inspection
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Inspection Using An Oscilloscope (Reference)
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CKP sensor signal
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
CKP sensor signal
Fig 1: CKP Sensor Signal Waveform Graph
PCM terminals
2W (+)-body ground (-)
Oscilloscope setting
2 V/DIV (Y), 5 ms/DIV (X), DC range
Vehicle condition
Idle after warm up