Hyundai Elantra: Engine Control System / Variable Intake Solenoid (VIS) Valve Description and Operation

Hyundai Elantra AD (2016-2020) 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 OCV terminals 1 and 2. 4. Check that the resistance is within the specifi ...

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

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location Windshield deicer system prevent windshield wiper from freezing in the winter season. It consists of deicer in the lower part of windshield, switch and relay. Body control module receives an input signal from the front defroster switch, then controls relay. When the fron ...

Hyundai Elantra AD (2016-2020) Owners Manual: Fan speed control, Air conditioning
Fan speed control Turn the knob to the right to increase the fan speed and airflow. Turn the knob to the left to decrease fan speed and airflow. Setting the fan speed control knob to the "0" position turns off the fan. Air conditioning Press the A/C button to turn the system on ( ...

© 2018-2021 www.helantraad.com