Kia Cee'd JD Service Manual: Variable Intake Solenoid (VIS) Valve Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the VIS valve connector.
3.
Measure resistance between VIS valve terminals 1 and 2.
Specification: Refer to "Speci ...
Kia Cee'd JD Service Manual: CVVT (Continuously Variable Valve Timing) System Description and operation
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 speed and load.
By controlling CVVT, the valve over-lap or under-lap ...