Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)

CKP sensor signal

(+)
PCM terminals
- 2D(+) - 2H(-)

Oscilloscope setting
- 2 V/DIV (Y), 4 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (engine speed approx. 650 rpm, no load, P/S off, A/C off)




(-)
PCM terminals
- 2G(+) - 2H(-)

Oscilloscope setting
- 2 V/DIV (Y), 4 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (engine speed approx. 650 rpm, no load, P/S off, A/C off)