Hyundai Accent Manuals

Hyundai Accent: Variable Intake Solenoid 
(VIS) Valve. Description and Operation - Engine Control System - Engine Control/Fuel System - Hyundai Accent 2010-2019 Service ManualHyundai Accent: 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


Installation
• Install the component with the specified torques. • ...

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

See also:

Installation
1. Installation is the reverse of removal. 2. Tighten the HECU mounting bolts and nuts to the specified torque. 3. ...

Installation
1. Install the BCM. 2. Install the crash pad lower panel. ...

Removal
1. Turn ignition switch OFF. 2. Disconnect the brake fluid level switch connector (A) from the reservoir. 3. ...

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