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: Consumer information
This consumer information has been prepared in accordance with regulations issued by the National Highway Traffic Safety Administration of the U.S. Department of Transportation.Your HYUNDAI dealer will help answer any questions you may have as you read this information. HYUNDAI motor vehicles ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Components and Components Location
Components Location 1. Overdrive clutch (OD/C)2. One way clutch (OWC)3. Low & Reverse brake (LR/B)4. Underdrive brake (UD/B)5. 26 brake(26/B)6. 35R clutch (35R/C)7. Damper clutch (D/C) ...

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