Kia Niro: Engine Control System / Knock Sensor (KS) Description and operation

Description

Knocking is a phenomenon characterized by undesirable vibration and noise that 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, and the sensor produces voltage signal to ECM. On receipt of this signal, ECM will control the ignition timing by retarding the ignition timing and then advancing the ignition timing when the knocking disappears. This sequential control can improve engine power, torque and fuel economy.

Knock Sensor (KS) Specifications
Specification Item Specification Capacitance (pF) 850 - 1,150 ...

Knock Sensor (KS) Schematic diagrams
Circuit Diagram Harness Connector ...

Other information:

Kia Niro (DE HEV) Owners Manual: Applying the parking brake
To engage the parking brake, first apply the foot brake and then depress the parking brake pedal down as far as possible. CAUTION Driving with the parking brake applied will cause excessive brake pad (or lining) and brake rotor wear. Do not operate the parking brake while the vehicle i ...

Kia Niro (DE HEV) Owners Manual: Starting the Hybrid System
1.Carry the smart key into the vehicle. 2.Make sure the parking brake is firmly applied. 3.Place the shift lever in the P(Park) position. In N (neutral) position, you can not start the vehicle. 4.Depress the brake pedal. 5.Press the engine start/stop button or turn the ignition switch to the ON ...

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