Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)





HO2S signal (front, RH/LH)
- PCM terminal: 18, 19 (+) - 20 (-)
- Oscilloscope setting: 0.2 V/DIV (Y), 200 ms/DIV (X), DC range
- Vehicle condition: idle after warm up