Kia Picanto: Engine Control System / Knock Sensor (KS)
Specifications
Item
|
Specification
|
Resistance(MΩ)
| 4.87
|
Capacitance (pF)
| 850 - 1150
|
Type
| Piezo-electricity
|
Pin
| 2
|
Description and operation
Knocking
is a phenomenon characterized by undesirable vibration and noise that
can cause engine damage. Installed on the cylinder block, Knock Sensor
(KS) senses engine knocking.
When
knocking occurs, the vibration from the cylinder block is applied as
pressure to the piezoelectric element. When knocking 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.
Schematic diagrams
Repair procedures
| 1. | Turn the ignition switch OFF and disconnect the battery negative (-) terminal. |
| 2. | Remove the intake manifold.
(Refer to Engine Mechanical System - "Intake Manifold")
|
| 3. | Remove the delivery pipe.
(Refer to Fuel Delivery System - "Delivery Pipe")
|
| 4. | Remove the knock sensor (A) after loosening the mounting bolt.
Knock sensor mounting bolt:
18.6 - 23.5 N·m (1.9 - 2.4 kgf·m, 13.7 - 17.4 lb·ft) |
 |
| •
| Install the component to the specified torques. |
| •
| Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing. |
|
| 1. | Install in the reverse order of removal. |
Specifications
Camshaft Position Sensor (CMPS)
Item
Specification
Type Hall effect type Air Gap (mm) 0.5 - 1.5 Pin ...
Specifications
Specification
HO2S [Bank 1/Sensor 1]
Item
Specification
Heater Resistance (Ω) 2.5 - 4.0 [20°C(68°F)] ...
Other information:
Repair procedures
Replacement
1.Disconnect the negative (-) battery terminal.
2.Remove the heater unit.
(Refer to Heater - "Heater Unit")
3.Remove the heater core cover (A) after loosening the mounting screws.
4.Pull out the heater core (A) from the heater unit.
5.I ...
If your vehicle is FFV (Flex fuel vehicle),
it needs to be checked and the reservoir
should be filled in with the gasoline
for cold start when the outside temperature
is low (below 20°C).
The nominal capacity of the gasoline
reservoir for cold start is 0.8 liters and
the reservoir is ...
Camshaft Position Sensor (CMPS)
Heated Oxygen Sensor (HO2S)