Oscilloscope Patterns and Waveforms

INSPECTION USING AN OSCILLOSCOPE (REFERENCE)




CMP sensor signal

(+)

PCM terminals
- 2U(+) - 2AA(-)

Oscilloscope setting
- 1 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (engine speed approx. 650 rpm, no load)

(-)




PCM terminals
- 2V(+) - 2AA(-)

Oscilloscope setting
- 1 V/DIV (Y), 25 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (engine speed approx. 650 rpm, no load)