Hyundai Tucson: 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” Removal     • DON’T remove the camshaft pos ...

Knock Sensor (KS) Specifications
Specification ItemSpecificationCapacitance (pF)850 ~ 1,150 ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Theft-alarm system
This system helps to protect your vehicle and valuables. The horn will sound and the hazard warning lights will blink continuously if any of the following occurs: - A door is opened without using the remote key or smart key. - The tailgate is opened without using the remote key or smart key. - ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Washer fluid
Checking the washer fluid level Check the fluid level in the washer fluid reservoir and add fluid if necessary. Plain water may be used if washer fluid is not available. However, use washer solvent with antifreeze characteristics in cold climates to prevent freezing. CAUTION To prevent se ...

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