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

Hyundai Sonata YF 2011-2014 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).

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 between the ...

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

    See also:

    The Other Fuses And Relays Component. Repair procedures
    Inspection Power Relay Test (Type B) Check for continuity between the terminals. A : Two turn unlock relay 1. There should be continuity between the No.30 and No.87 ...

    Rail Pressure Sensor (RPS). Description and Operation
    Description Rail Pressure Sensor (RPS) is installed on the delivery pipe and measures the instantaneous fuel pressure in the delivery pipe. The sensing element (Semiconductor element) built ...

    High Pressure Fuel Pump. Repair procedures
    Removal In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be in ...