Kia Optima: Operation Principle
The CVVT has the mechanism rotating the rotor vane with hydraulic force generated by the engine oil supplied to the advance or retard chamber in accordance with the CVVT oil control valve control.
![[CVVT System Mode]](images/books/892/sbhec9116n.gif)
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance with
the ECM control signal which is calculated by the engine sp ...
[CVVT System Mode]
(1) Low Speed / Low Load
(2) Part Load
(3) Low Speed / High Load
(4) High Speed / High Load
...
See also:
Customer Complaint Analysis Check Sheet
There are several areas where a problem can occur: wiring harness, the radio, the
CD player, and speaker. Troubleshooting enables you to confine the problem to a
particular area.
...
Defroster
CAUTION
To prevent damage to the conductors bonded to the inside surface of the rear
window, never use sharp instruments or window cleaners containing abrasives to clean
the window.
✽ NO ...
Active eco system
Active ECO operation
Active ECO helps improve fuel efficiency by controlling the engine and transaxle.
But fuel-efficiency can be changed by the driver's driving habits and road conditions.
...