Kia Rio: 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.

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:

Circuit Diagram
(M/T) (A/T) ...

Line Pressure Control Solenoid Valve Removal
   Replacing an on/off solenoid valve (SS-A, SS-B) does not require additional hydraulic pressure adjustment; however, the ...

Fail-Safe Mode
Item Fail-Safe ETC Motor Throttle valve stuck at 7° TPS TPS 1 fault ECM looks at TPS2 TPS 2 fault ECM looks at TPS ...