Knock Sensor: Description and Operation
Knock Sensor:
The knock sensor, Fig. 11, is a piezo-electric accelerator accelerometer. The sensor uses the resonant frequency to mechanically amplify the engine knock frequency (5-6 kHz).
The knock sensor, Fig. 11, is a piezo-electric accelerator accelerometer. The sensor uses the resonant frequency to mechanically amplify the engine knock frequency (5-6 kHz).