Kia Sportage: Engine Control System / CVVT Oil Control Valve (OCV) Description and operation

Kia Sportage QL (2015-2021) Service Manual / Engine Control / Fuel System / Engine Control System / CVVT Oil Control Valve (OCV) Description and operation

Description
Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the 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 occurs, which makes better fuel economy and reduces exhaust gases (NOx, HC) and improves engine performance through reduction of pumping loss, internal EGR effect, improvement of combustion stability, improvement of volumetric efficiency, and increase of expansion work.
This system consist of
-the CVVT Oil Control Valve (OCV) which supplies the engine oil to the cam phaser or cuts the engine oil from the cam phaser in accordance with the ECM PWM (Pulse With Modulation) control signal,
-and the Cam Phaser which varies the cam phase by using the hydraulic force of the engine oil.
The engine oil getting out of the CVVT oil control valve varies the cam phase in the direction (Intake Advance/Exhaust Retard) or opposite direction (Intake Retard/Exhaust Advance) of the engine rotation by rotating the rotor connected with the camshaft inside the cam phaser.

CVVT Oil Control Valve (OCV) Specifications
Specification Item Specification Coil Resistance (Ω) 6.9 - 7.9 [20°C(68°F)] ...

CVVT Oil Control Valve (OCV) Schematic diagrams
Circuit Diagram Terminal Information Terminal Illustration Terminal Function No. Function Connected ...

Other information:

Kia Sportage QL (2015-2021) Owners Manual: To cancel cruise control, do one of the following


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Kia Sportage QL (2015-2021) Owners Manual: Closing the liftgate


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