Waveform 2
- Igniter IGT signal (from ECM to igniter)
- Igniter IGF signal (from igniter to ECM)
WAVEFORM 2 (IGNITER IGT SIGNAL)
| ECM Terminal Names | (a) Between IGT (1 to 4) and E1 (b) Between IGF1 and E1 |
| Tester Ranges | 2V/DIV, 20 msec./DIV |
| Conditions | Idling |
HINT:
The wavelength becomes shorter as the engine RPM increases.