Oscilloscope Patterns and Waveforms

INSPECTION USING AN OSCILLOSCOPE (REFERENCE)




Fuel Injector Control Signal
- PCM terminal:
- No.1: 4Q(+) - 4AB(-)
- No.2: 4U(+) - 4AB(-)
- No.3: 4Y(+) - 4AB(-)
- No.4: 4AC(+) - 4AB(-)
- No.5: 4AG(+) - 4AB(-)
- No.6: 4AK(+) - 4AB(-)