Hyundai Santa Fe: Variable Intake Solenoid (VIS) Valve. Description and Operation - Engine Control System - Engine Control/Fuel SystemHyundai Santa Fe: Variable Intake Solenoid (VIS) Valve. Description and Operation


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
Medium speed
Increasing engine performance in low engine speed by reducing intake interference among cylinders
Low / High speed
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 between the OCV terminals 1 and 2. 4. Check that the resistance is within the specification. Specification: ...

Variable Intake Solenoid (VIS) Valve. Specifications
Specification Item Specification Coil resistance (Ω) 30.0 ~ 35.0 [20°C(68°F)] ...

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