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 Service Manual: Windshield Glass Repair procedures
Removal • Put on gloves to protect your hands. • Use seat covers to avoid damaging any surfaces. 1. Remove the following items. A. Front pillar trim (Refer to Interior - "Interior Trim") B. Inside rearview mirror (Refer to Exterior - "Mirror") C ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Transaxle Control Module (TCM) Schematic Diagrams
1. TCM Connector and Terminal Function 2. TCM Terminal Function Connector [A] PinDescriptionPinDescription1-54-2-55-3-56-4-57-5-58Sport mode down switch6-59Oil temperature sensor (+)7-60-8-61-9-62-10-63-11-64-12-65-13-66-14-67-15-68-16-69-17-70-18-71-19-72-20-73Inhibitor switch signal "S4"21-74 ...