Hyundai Elantra: Engine Control System / Variable Intake Solenoid (VIS) Valve Description and Operation
| Description |
| 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: 26 Brake Control Solenoid Valve(26/B_VFS) Repair procedures
Inspection
1.
Turn ignition switch OFF.
2.
Remove the battery and battery tray.
(Refer to Engine Electrical System - "Battery")
3.
Disconnect the solenoid valve connector (A).
4.
Measure resistance between sensor signal terminal and sensor ground terminal.
5.
Check that the ...
Hyundai Elantra AD (2016-2020) Owners Manual: Rear seat head restraints
The rear seats are equipped with head restraints in all the seating positions
for the passenger's safety and comfort.
Adjusting the height up and down (if equipped)
To raise the head restraint:
1. Pull it up to the desired position (1).
To lower the head restraint:
1. Push and hold th ...
