Oscilloscope Patterns and Waveforms
INSPECTION USING AN OSCILLOSCOPE (REFERENCE)
CKP sensor signal
(+)
PCM terminals
- 2Y(+) - 2AA(-)
Oscilloscope setting
- 2 V/DIV (Y), 10 ms/DIV (X), DC range
Vehicle condition
- Idle after warm up (engine speed approx. 650 rpm, no load)
(-)
PCM terminals
- 2Z(+) - 2AA(-)
Oscilloscope setting
- 2 V/DIV (Y), 10 ms/DIV (X), DC range
Vehicle condition
- Idle after warm up (engine speed approx. 650 rpm, no load)