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2011
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2 Touring, 1.5 Z, Standard
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Repair and Diagnosis
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Engine Control System MZR 1.5
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Pcm Inspection
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A/F sensor heater control signal
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Notes
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A/F sensor heater control signal: Notes
PCM terminals
2X (+)-Negative battery terminal (-)
Oscilloscope setting
5 V/DIV (Y), 50 ms/DIV (X), DC range
Vehicle condition
idle (after warm up)
Fig 1: A/F Sensor Heater Control Signal Chart
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.