Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)

Oil control valve (OCV) signal




- PCM terminal: 4D(+) <=> 4A(-)
- Oscilloscope setting: 2.0 V/DIV (Y), 0.5 ms/DIV (X), DC range
- Vehicle condition: Idling after warm-up (no electrical load).