Kia Forte: CVVT (Continuously Variable Valve Timing) System 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 (Continuously Variable Valve Timing) System 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 ...

[CVVT System Mode]

(1) Low Speed / Low Load (2) Part Load (3) Low Speed / High Load (4) High Speed / High Load ...

See also:

Cooling Fan Specifications
Item Specification Fan type PULLER Fan speed control Resistor (HI-LOW-OFF) Air flow rate [㎥/h (yd³/h)] 1,700 (2,22 ...

Transaxle Oil Temperature Sensor Circuit Diagram
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Power windows (if equipped)
The ignition switch must be in the ON position for power windows to operate. Each door has a power window switch that controls the door’s window. The driver has a power window lock switch which can ...