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Mazda
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2014
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3 SV, 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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Inspection Using An Oscilloscope (Reference)
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HO2S heater control signal
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Vehicle condition
Vehicle condition
Idle (immediately after starting engine)
Fig 1: HO2S Heater Control Signal Waveform
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.