Oscilloscope Patterns and Waveforms

CKP sensor signal (+)




- PCM terminals: 2Y (+)-body ground (-)
- Oscilloscope setting: 2 V/DIV (Y), 10 minutes/DIV (X), DC range
- Vehicle condition: Idle after warm up (engine speed approx. 650 rpm, no load)

CKP sensor signal (-)




- PCM terminals: 2Z (+)-body ground (-)
- Oscilloscope setting: 2 V/DIV (Y), 10 minutes/DIV (X), DC range
- Vehicle condition: Idle after warm up (engine speed approx. 650 rpm, no load)