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: Blade replacement
Front windshield wiper blade ■ Type A 1. Raise the wiper arm and slightly rotate the wiper blade assembly to expose the plastic locking clip. CAUTION Do not allow the wiper arm to fall against the windshield, since it may chip or crack the windshield. 2. Press the clip (1) and slide ...

Hyundai Tucson (LM) 2010-2015 Owners Manual: Automatic climate control system
To defog inside windshield 1. Set the fan speed to the desired position. 2. Select desired temperature. 3. Press the defroster button (). 4. The air conditioning will turn on according to the detected ambient temperature and outside (fresh) air position will be selected automatically. If th ...