Oscilloscope Patterns and Waveforms

Fuel injection control




- PCM terminals
- Fuel Injection No.1: 2BB(+)-body ground(-)
- Fuel Injection No.2: 2BC(+)-body ground(-)
- Fuel Injection No.3: 2BD(+)-body ground(-)
- Fuel Injection No.4: 2AZ(+)-body ground(-)

- Oscilloscope setting: 4 V/DIV (Y), 10 minutes/DIV (X), DC range
- Vehicle condition: Idle after warm up (no load, P/S off, A/C off)