Kia Sportage: Knock Sensor (KS): Description and Operation
Third generation SL (2010–2016) / Kia Sportage SL Service & Repair Manual / Engine Control / 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”
Removal
•
DON’T remove the camshaft ...
Knock Sensor (KS): Specifications
Specification
ItemSpecificationCapacitance (pF)850 ~ 1,150
...
Other Information:
Checking tire inflation pressure
Check your tires once a month or more.
Also, check the tire pressure of the spare tire.
How to check
Use a good quality gauge to check tire pressure. You can not tell if your tires
are properly i ...
Applying the parking brake
Foot type
To engage the parking brake, first apply the foot brake and then depress the
parking brake pedal down as far as possible.
Hand type
To engage the parking brake, first apply the foot ...
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