Description |
– |
the CVVT Oil Control Valve (OCV) which supplies the engine oil to the
cam phaser or runs out the engine oil from the cam phaser in accordance
with the ECM PWM (Pulse With Modulation) control signal,
|
– |
the CVVT Oil Temperature Sensor (OTS) which measures the engine oil
temperature,
|
– |
and the Cam Phaser which varies the cam phase by using the hydraulic
force of the engine oil.
|
Operation Principle |
[CVVT System Mode] |
(1) Low Speed / Low Load |
(2) Part Load |
|
|
(3) Low Speed / High Load |
(4) High Speed / High Load |
|
|
Driving Condition |
Exhaust Valve |
Intake Valve |
||
Valve Timing |
Effect |
Valve Timing |
Effect |
|
(1) Low Speed /Low Load |
Completely Advance |
* Valve Under-lap * Improvement of combustion stability |
Completely Retard |
* Valve Under-lap * Improvement of combustion stability |
(2) Part Load |
Retard |
* Increase of expansion work * Reduction of pumping loss * Reduction of HC |
Retard |
* Reduction of pumping loss |
(3) Low Speed /High Load |
Retard |
* Increase of expansion work |
Advance |
* Prevention of intake back flow (Improvement of volumetric efficiency)
|
(4) High Speed /High Load |
Advance |
* Reduction of pumping loss |
Retard |
* Improvement of volumetric efficiency |
Kia Cee'd JD Service Manual: Transmission Control Module (TCM) Description and operation
Description
The Transmission Control Module (TCM) is like the brain for the Dual Clutch
Transmission (DCT). It receives information from various sensors for a wide
range of transmission controls to provide an optimal driving environment for
the driver. The TCM is programmed ...
Kia Cee'd JD Owners Manual: Inside rearview mirror
Adjust the rearview mirror so that the
center view through the rear window is
seen. Make this adjustment before you
start driving.
WARNING - Rear visibility
Do not place objects in the rear
seat or cargo area which would
interfere with your vision out the
rear window.
WARNING
Do not ...