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A/F sensor heater control signal
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
A/F sensor heater control signal
Fig 1: A/F Sensor Heater Control Signal Waveform
Courtesy of MAZDA MOTORS CORP.
PCM terminals
1BY(+)-body ground(-)
Oscilloscope setting
5 V/DIV (Y), 50 ms/DIV (X), DC range
Vehicle condition
Idle after warm up