Oscilloscope Patterns and Waveforms

Fuel injection signals




- PCM terminals
- No.l: 21 (+) - body ground (-)
- No.2: 2J (+) - body ground (-)
- No.3: 2K (+) - body ground (-)
- No.4: 2E (+) - body ground (-)
- No.5: 2F (+) - body ground (-)
- No.6: 2G (+) - body ground (-)

- Oscilloscope setting: 2.5 V/DIV (Y), 10 minutes/DIV (X), DC range
- Vehicle condition: Idle after warm up (no load).