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Mazda
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2013
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CX-5 Grand Touring, 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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Inspection Using An Oscilloscope (Reference)
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Exhaust CMP signal
Exhaust CMP signal
PCM terminals
1T(+)-body ground(-)
Oscilloscope setting
2 V/DIV (Y), 20 ms/DIV (X), DC range
Vehicle condition
Idle (after warm up)
Fig 1: Exhaust CMP Signal Blinking Pattern