Hyundai Palisade: Engine Control System / Variable Intake Solenoid (VIS) Valve

Hyundai Palisade (LX2) 2020-2025 Service Manual / Engine Control/Fuel System / Engine Control System / Variable Intake Solenoid (VIS) Valve

Description and operation
Description
Installed on the intake manifold (VIS Valve 1) and the surge tank (VIS Valve 2), the Variable Intake manifold Solenoid (VIS) valves 1 and 2 control the vacuum modulators, which activate the valves in the intake manifold and the surge tank. These valves open or close according to engine condition. (Refer to below table.)

Hyundai Palisade. Description and operation

Specifications
Specification
Item
Specification
Coil Resistance (Ω)
30.0 - 35.0 [20°C (68°F)]

Schematic diagrams
Circuit Diagram

Hyundai Palisade. Schematic diagrams

Harness Connector

Hyundai Palisade. Schematic diagrams

Repair procedures
Inspection
1.
Switch "OFF" the ignition.
2.
Disconnect the VIS valve connector.
3.
Measure resistance between the VIS valve terminals 1 and 2.
4.
Check that the resistance is within the specification.
Specification : 30.0 - 35.0Ω [20°C (68°F)]
Removal
[VIS #1]
1.
Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
2.
Disconnect the variable intake solenoid valve connector (A).
3.
Disconnect the vacuum hoses (B) from the valve.
4.
Remove the mounting nut (C) and then remove the valve from the surge tank.
Variable intake solenoid valve mounting nut :
7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

Hyundai Palisade. Repair procedures

[VIS #2]
1.
Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
2.
Disconnect the variable intake solenoid valve connector (A).
3.
Disconnect the vacuum hoses (B) from the valve.
4.
Remove the installation nuts (C) and then remove the valve from the surge tank.
Variable intake solenoid valve mounting nut :
7.8 - 11.8 N.m (0.8 - 1.2 kgf.m, 5.8 - 8.7 lb-ft)

Hyundai Palisade. Repair procedures

Installation
Hyundai Palisade. Repair procedures   
Install the component to the specified torque.
Note that internal damage may occur if the component drops. In this case, inspect it before installation.
Hyundai Palisade. Repair procedures   
Keep foreign materials away from flowing into the valve.
1.
Install in the reverse order of removal.

    CVVT Oil Control Valve (OCV)

    Description and operation Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load...

    Fuel Pressure Control Valve (FPCV)

    Description and operation Description Installed on the high pressure fuel pump, the Fuel Pressure Regulator Valve controls the fuel amount flowing into the injectors in accordance with the ECM signal calculated based on various engine conditions...

    Other information:

    Hyundai Palisade (LX2) 2020-2025 Service Manual: Components and components location


    ..

    Hyundai Palisade (LX2) 2020-2025 Owner's Manual: Lane Keeping Assist (LKA) system


    The Lane Keeping Assist (LKA) system helps detect lane markers on the road with a front view camera at the front windshield, and assists the driver's steering to help keep the vehicle between lanes. When the system detects the vehicle straying from its lane, it alerts the driver with a visual and audible warning, while applying a counter-steering torque, trying to help prevent the vehicle from moving out of its lane...

    Categories

    Manual adjustment

    The front seat can be adjusted by using the levers located on the outside of the seat cushion. Before driving, adjust the seat to the proper position so that you can easily control the steering wheel, foot pedals and controls on the instrument panel.

    Hyundai Palisade. Manual adjustment

    read more


     
    Copyright © 2025 www.hpalisadelx.com