Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)




IGT signal
- PCM terminal
- IGT1 26 (+) - 103 (-)
- IGT2 1 (+) - 103 (-)
- IGT3 52 (+) - 103 (-)
- IGT4 27 (+) - 103 (-)
- IGT5 78 (+) - 103 (-)
- IGT6 82 (+) - 103 (-)

- Oscilloscope setting: 2V/DIV (Y), 10ms/DIV (X), DC range
- Vehicle condition: idle after warm up




NE signal
- PCM terminal: 21 (+) - 22 (-)
- Oscilloscope setting: 4V/DIV (Y), 2.5ms/DIV (X), AC range
- Vehicle condition: idle after warm up