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Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)




CMP sensor signal
(+)
PCM terminals

- 2J (+) - 2H (-)

Oscilloscope setting
- 1 V/DIV (Y), 10 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (engine speed approx. 700 rpm, no load, P/S off, A/C off)




(-)
PCM terminals

- 2M (+) - 2H (-)

Oscilloscope setting
- 1 V/DIV (Y), 10 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (engine speed approx. 700 rpm, no load, P/S off, A/C off)