Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)




Fuel injection signals
PCM terminals
- No.1: 82 (+) - 25 (-)
- No.2: 83 (+) - 25 (-)
- No.3: 84 (+) - 25 (-)
- No.4: 85 (+) - 25 (-)

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

Vehicle condition
- Idle after warm up (no load)