Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)




Ignition coil control signals
PCM terminals
- No.1 cylinders: 26 (+) - 25 (-)
- No.2 cylinders: 1 (+) - 25 (-)
- No.3 cylinders: 52 (+) - 25 (-)
- No.4 cylinders: 27 (+) - 25 (-)
- No.5 cylinders: 78 (+) - 25 (-)
- No.6 cylinders: 82 (+) - 25 (-)

Oscilloscope setting
- 5 V/DIV (Y), 20 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (no load)