Kia Sportage: Engine Control System / Variable Intake Solenoid (VIS) Valve Description and operation

Kia Sportage QL (2015-2025) Service Manual / Engine Control / Fuel System / Engine Control System / Variable Intake Solenoid (VIS) Valve Description and operation

Description

Variable Intake manifold Solenoid (VIS) valve is installed on the intake manifold. The VIS valve controls the vacuum modulator which activates a valve in the intake manifold. The ECM opens or closes this valve according to engine condition (Refer to below table).

Operation

Engine condition	VIS valve	Operation
Medium speed	OFF	Increasing engine performance in low engine speed by reducing intake interference among cylinders
Low / High speed	ON	Minimizing intake resistance by shortening intake manifold length and increasing area of air entrance

Variable Intake Solenoid (VIS) Valve Components and components location

Components 1. Variable Intake Solenoid (VIS) Valve 2. Variable Intake Solenoid (VIS) Actuator 3. Variable Intake Solenoid (VIS) Flap 4. Vacuum Hose ...

Variable Intake Solenoid (VIS) Valve Schematic diagrams

Circuit Diagram Harnness Connector ...

Other information:

Kia Sportage QL (2015-2025) Service Manual: Underdrive Brake Control Solenoid Valve (UD/B_VFS) Description and operation

Description • Underdrive brake control solenoid valve is a Variable Force Solenoid (VFS) type. • When TCM supplies variable current to solenoid valve, hydraulic pressure of underdrive brake is controlled by solenoid valve. ...

Kia Sportage QL (2015-2025) Service Manual: Injector Description and operation

Description The GDI injector is similar to a standard injector, but sprays fuel at a much higher pressure directly into the combustion chamber and has a swirl disc to get the fuel swirling as it exits the nozzle. This aids in atomization of the fuel. The ECM controls bo ...