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Mazda
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2017
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5 GS, Automatic Trans
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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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HO2S heater control
HO2S heater control
Courtesy of MAZDA MOTORS CORP.
PCM terminals
2B (+)-body ground (-)
Oscilloscope setting
5 V/DIV (Y), 1 s/DIV (X), DC range
Vehicle condition
Idle (after warm up)
Courtesy of MAZDA MOTORS CORP.