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Mazda
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2017
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CX-5 Grand Select, AWD
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Pcm Inspection
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Without Using the M-MDS
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Inspection Using An Oscilloscope (Reference)
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Engine oil control signal
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
Engine oil control signal
Fig 1: Engine Oil Control Wave Pattern Signal
Courtesy of MAZDA MOTORS CORP.
PCM terminals
1AS(+)-body ground(-)
Oscilloscope setting
5 V/DIV (Y), 1 ms/DIV (X), DC range
Vehicle condition
Idle after warm up