ford Workshop Repair Guides

Ford Workshop Service and Repair Manuals

Sensors and Switches - Restraint Systems > < Fixed Steering Column|Page 634
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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). 

Sensors and Switches - Restraint Systems > < Fixed Steering Column|Page 634