Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)




CKP sensor signal
(+)
PCM terminals
- 21 (+) - 25 (-)

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

Vehicle condition
- Idle after warm up (no load)




(-)
PCM terminals
- 22 (+) - 25 (-)

Oscilloscope setting
- 5 V/DIV (Y), 5 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (no load)