Waveform 4
Knock sensor
KNOCK SENSOR WAVEFORM REFERENCE
| ECM Terminal Names | Between KNK1 and EKNK |
| Tester Ranges | 1 V/DIV., 1 msec./DIV. |
| Conditions | Engine speed maintained at 4,000 rpm after warming up engine |
HINT:
- The wavelength becomes shorter as the engine rpm increases.
- The waveforms and amplitudes displayed differ slightly depending on the vehicle.