Oscilloscope Patterns and Waveforms
HO2S (front) heater control signal
PCM terminals
- 4AD(+)-Body ground(-)
Oscilloscope setting
- 2.5 V/DIV (Y), 20 ms/DIV (X), DC range
Vehicle condition
- Idle after engine start (no load, P/S off, A/C off)
PCM terminals
- 4AD(+)-Body ground(-)
Oscilloscope setting
- 2.5 V/DIV (Y), 20 ms/DIV (X), DC range
Vehicle condition
- Idle after engine start (no load, P/S off, A/C off)