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Inspection Using An Oscilloscope (Reference)
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HO2S signal (front, RH/LH)
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HO2S signal (front, RH/LH)
Fig 1: HO2S Signal (Front, RH/LH) Inspection By Using Oscilloscope (Reference)
Courtesy of MAZDA MOTORS CORP.
PCM terminal: 60, 87(+)-91(-)
Oscilloscope setting: 0.2V/DIV (Y), 200ms/DIV (X), DC range
Vehicle condition: idle after warm up
Courtesy of MAZDA MOTORS CORP.