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 |
Hyundai Creta GS 2014-2023 Service Manual: Fender Garnish: Repair procedures
Replacement
•
Put on gloves to protect your hands.
•
When ...
Lincoln Nautilus 2018-2023 Owners Manual: Mislock
What Is Mislock
Mislock is a locking feature that warns you
if your vehicle has not locked.
Mislock Limitations
When you press the lock button once, the
direction indicators do not flash if:
Any door or the liftgate is open.
The hood is open.
If you switch mislock off, the horn does not
sound ...