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

Kia Cee'd JD Service Manual / 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).

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

CVVT Oil Control Valve (OCV) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the OCV connector. 3. Measure resistance betwee ...

Variable Intake Solenoid (VIS) Valve Specifications

Specification Item Specification Coil resistance (Ω) 30.0 ~ 35.0 [20°C(68°F)] ...

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Kia Cee'd JD Service Manual: Troubleshooting
Troubleshooting Symptom Suspect area Engine will not start or struggle to start Vapor hose damaged or disconnected Engine struggles to start Malfunction of the Purge Control Solenoid Valve ...