Kia Cee'd: Engine Control System / Knock Sensor (KS) Description and operation

Kia Cee'd JD Service Manual / Fuel System / 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 Capacitance (pF) 950 ~ 1,350 Resistance (MΩ) 4.87 ...

Other information:

Kia Cee'd JD Owners Manual: Heating
1. Set the mode to the position. 2. Set the air intake control to the outside (fresh) air position. 3. Set the temperature control to the desired position. 4. Set the fan speed control to the desired speed. 5. If dehumidified heating is desired, turn the air conditioning system on. • ...

Kia Cee'd JD Service Manual: Components and components location
Components   1.  Timing chain 2.  Timing chain guide 3.  Timing chain arm 4.  Timing chain auto tensioner 5.  Timing chain cover 6.  Drive belt idler 7.  Water pump gasket 8.  Water pump ...

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