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

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:

    Specifications - Revised
    Specifications Description Specifications Limit General Type In-line, DOHC   Numbe ...

    Description and Operation
    Description Body Control Module (BCM) Function NoItemDescription1Washer Linked Wiper - If the washer switch is pressed ON for 0.06~0.2 second with the vehicle mode in IGN2, the wiper rela ...

    Automatic-dimming function
    Your mirror will automatically dim upon detecting glare from the vehicles traveling behind you. The auto-dimming function can be controlled by the Dimming ON/OFF Button: 1. Pressing and hold the bu ...