Hyundai Kona: Engine Control System / Knock Sensor (KS) Description and operation

Description
Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking.
When knocking occurs, the vibration from the cylinder block is applied as pressure to the piezoelectric element. When a knock occurs, the sensor produces voltage signal. The ECM retards the ignition timing when knocking occurs. If the knocking disappears after retarding the ignition timing, the ECM will advance the ignition timing. This sequential control can improve engine power, torque and fuel economy.

Camshaft Position Sensor (CMPS) Repair procedures
Inspection 1. Check the signal waveform of the CMPS and CKPS using the GDS. Specification : Refer to "Wave Form" ...

Knock Sensor (KS) Specifications
Specification Item Specification Resistance (MΩ) 4.87 ...

Other information:

Hyundai Kona (OS) 2018-2020 Service Manual: Engine Cover Repair procedures
Removal and Installation 1. Remove the engine cover (A).    • Remove the engine cover on room temperature. ...

Hyundai Kona (OS) 2018-2020 Owners Manual: Air bag - supplemental restraint system
■ Left-Hand drive type The actual air bags in the vehicle may differ from the illustration. 1. Driver’s front air bag 2. Passenger’s front air bag 3. Side air bag* 4. Curtain air bag* 5. Front passenger air bag ON/OFF switch* ■ Right-Hand drive type The actual air bags in the vehicle may ...

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