Oscilloscope Patterns and Waveforms

Inspection Using An Oscilloscope (Reference)




Generator output voltage signal PCM terminals
- 1AA (+) - 2AC (-)

Oscilloscope setting
- 2 V/DIV (Y), 2 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (engine speed approx. 700 rpm, no load, P/S off, A/C off)




Generator field coil control signal PCM terminals
- 1AD (+) - 1C (-)

Oscilloscope setting
- 0.5 V/DIV (Y), 1 ms/DIV (X), DC range

Vehicle condition
- Idle after warm up (engine speed approx. 700 rpm, no load, P/S off, A/C off)