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Section 11 (Engine Control System (VIN Y))
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Pcm Inspection
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Inspection Using An Oscilloscope (Reference)
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A/F Sensor Heater Control Signal
A/F Sensor Heater Control Signal
WARNING:
This page is about a different variant/trim than selected.
Fig 1: A/F Sensor Heater Control Output Voltage Signal Graph
Courtesy of MAZDA MOTORS CORP.
PCM terminals
1 BY(+)-body ground(-)
Oscilloscope setting
5 V/DIV (Y), 50 ms/DIV (X), DC range
Vehicle condition
Idle after warm up
Courtesy of MAZDA MOTORS CORP.