Kia Optima: 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
•
Do not remove the ca ...
Knock Sensor (KS) Specifications
Specification
ItemSpecificationCapacitance (pF)850 ~ 1,150
...
See also:
Vehicle identification number (VIN)
The vehicle identification number (VIN) is
the number used in registering your vehicle
and in all legal matters pertaining to
its ownership, etc.
VIN label
The VIN is also on a plate a ...
General Safety Information and Caution
Precautions
General Precautions
Please read the following precautions carefully before performing the airbag system
service.
Observe the instructions described in this manual, or the ...
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