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Mazda
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2005
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MX-5 Miata Base, Automatic
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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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SGC signal
SGC signal
Fig 1: SGC Signal - Oscilloscope Graph
Courtesy of MAZDA MOTORS CORP.
PCM terminal: 3V(+) <--> 4A(-)
Oscilloscope setting: 2.0 V/DIV (Y), 20 ms/DIV (X), DC range
Vehicle condition: Idling
Courtesy of MAZDA MOTORS CORP.