Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)

Fuel injection signals




- PCM terminals
- No.1:76(+) - 26(-)
- No.2: 50 (+) - 26 (-)
- No.3: 75 (+) - 26 (-)
- No.4: 49 (+) - 26 (-)
- No.5: 74 (+) - 26 (-)
- No.6: 48 (+) - 26 (-)

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

- Vehicle condition
- Idle after warm up (no load)