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Home >> Mazda >> 2016 >> CX-3 Sport, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Service Information) >> Pcm Inspection >> Inspection Using An Oscilloscope (Reference) >> A/F sensor heater control signal
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A/F sensor heater control signal

Fig 1: A/F Sensor Heater Control Signal Voltage Graph
G10969065Courtesy of MAZDA MOTORS CORP.

PCM terminals 

Oscilloscope setting 

Vehicle condition