Operation CHARM: Car repair manuals for everyone.

Oscilloscope Patterns and Waveforms

OCV control signal




- PCM terminals: 4S(+)-Body ground(-)
- Oscilloscope setting: 2.5 V/DIV (Y), 1 minute/DIV (X), DC range
- Vehicle condition: Idle after warm up (no load, P/S off, A/C off)