Operation CHARM: Car repair manuals for everyone.

Oscilloscope Patterns and Waveforms

OCV control signal




- PCM terminals: 2E(+)-body ground(-)
- Oscilloscope setting: 2 V/DIV (Y), 0.8 minutes/DIV (X), DC range.
- Vehicle condition: Idle after warm up (no load, P/S off, A/C off)