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

Hyundai Tucson (LM) 2010-2015 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 (x)30.0 ~ 35.0 [20°C(68°F)] ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Outside light
Turn signal light and stop/tail light 1. Open the tailgate. 2. Loosen the lamp assembly retaining screws with a cross-tip screwdriver. 3. Remove the rear combination lamp assembly from the body of the vehicle. 4. Remove the socket from the assembly by turning the socket counterclockwise un ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Consumer information
This consumer information has been prepared in accordance with regulations issued by the National Highway Traffic Safety Administration of the U.S. Department of Transportation.Your HYUNDAI dealer will help answer any questions you may have as you read this information. HYUNDAI motor vehicles ...