Hyundai i-30: Engine Control System / CVVD Actuator
Description and operation
CVVD(Continuous Variable Valve Duration) System is a device to control the optimum
open and close timing according to the driving mode by changing the valve opening
section.
[CVVD Actuator]
![](images/cvvd_actuator-525/380/sdnfl02089d.gif)
Specifications
Item
|
Specifications
|
Type
|
BLDC MOTOR
|
Operating Voltage (V)
|
9.1 - 16
|
Control Frequency (kHz)
|
10
|
Schematic diagrams
![](images/cvvd_actuator-525/380/spdfl11416e.gif)
Harness Connector
![](images/cvvd_actuator-525/380/sdnfl02109d.gif)
Repair procedures
1. |
Turn the ignition switch OFF, and disconnect the battery negative (-)
terminal.
|
2. |
Disconnect the CVVD actuator connector (A).
![](images/cvvd_actuator-525/380/spdfl13384e.gif)
|
3. |
Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner")
|
4. |
Remove the CVVD actuator (A) after loosening the mounting bolt.
Tightening Torque :
19.6 - 24.5 N.m (2.0 - 2.5 kgf.m, 14.5 - 18.1 lb.ft)
|
![](images/cvvd_actuator-525/380/spdfl13385e.gif)
|
•
|
When installing the CVVD actuator the shaft gear do not fit
properly, rotate the CVVD actuator in both directions and installing
it naturally.
(Do not impact when installating the component.)
|
•
|
Do not damage to the component when installating the cylinder
head cover oil seal (A).
![](images/cvvd_actuator-525/380/sdnfl02113d.gif)
|
|
•
|
Install the component with the specified torques.
|
•
|
Note that internal damage may occur when the component is dropped.
If the component has been dropped, inspect before installing.
|
|
1. |
Install in the reverse order of removal.
|
1. |
Turn the ignition switch OFF.
|
2. |
Connect the diagnostic tool to Data Link Connector (DLC).
|
3. |
Turn the ignition switch ON.
|
4. |
Select "Vehicle, Model Year, Engine, System".
|
5. |
Select "CVVD Intake Adaption".
![](images/cvvd_actuator-525/380/sdnfl00057n.gif)
|
6. |
Perform the "CVVD Learning" refer to the diagnostic tool.
![](images/cvvd_actuator-525/380/sdnfl00058n.gif)
![](images/cvvd_actuator-525/380/sdnfl00059n.gif)
|
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Loosen the wheel nuts slightly.
Raise the vehicle, and make sure it is securely supported.
2.
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Seat belt warning
Driver’s seat belt warning
![Hyundai i30. Seat belt warning light](images/books/1/hyundai_i30_seat_belt_warning_light_47.png)
■ Instrument cluster
As a reminder to the driver, the seat
belt warning light will illuminate for
approximately 6 seconds each time
you turn the ignition switch ON
regardless of belt fastening.
read more