Alternator: Testing and Inspection

Generator output voltage signal
- PCM terminal: 30(+) - 103(-)
- Oscilloscope setting: 2 V/DIV(Y), 5 ms/DIV(X), DC range
- Vehicle condition: idle after warm up




Generator field coil control signal
- PCM terminal: 53(+) - 103(-)
- Oscilloscope setting: 0.2 V/DIV(Y), 2 ms/DIV(X), DC range
- Vehicle condition: idle after warm up