Construction

► The flat type knock sensor is installed on the engine through the stud bolt installed on the cylinder block. For this reason, a hole for the stud bolt is running through in the center of the sensor.

► Inside of the sensor, a steel weight is located on the upper portion and a piezoelectric element is located under the weight through the insulator.

► The open/short circuit detection resistor is integrated.

Steel Weight

Insulator

Piezoelectric Element

Open Circuit Detection Resistor

Open Circuit Detection Resistor

Insulator

Piezoelectric Element

Piezoelectric Element

Vibration Plate

Piezoelectric Element

Vibration Plate

Flat Type Knock Sensor (Non-Resonant Type)

Conventional Type Knock Sensor (Resonant Type)

214CE01

214CE02

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