Hyundai Elantra: Engine Control System / Variable Charge Motion Actuator (VCMA) Repair procedures

Hyundai Elantra AD (2016-2020) Service Manual / Engine Control/Fuel System / Engine Control System / Variable Charge Motion Actuator (VCMA) Repair procedures

Inspection

1.	Turn ignition switch OFF.

2.	Disconnect the VCMA connector.

3.	Check that the VCMA is not stuck by foreign material.

4.	Measure resistance between motor (+) and (-) control terminals of the motor.

Check that the resistance is within the specification.

Specification : Refer to "Specification"

6.	Measure resistance between voltage supply terminal and ground terminal of the position sensor.

Check that the resistance is within the specification.

Specification : Refer to "Specification"

Removal

1.	Turn the ignition switch OFF and disconnect the battery negative (-) cable.

2.	Disconnect the VCMA connector (A).

3.	Remove the VCMA (A) after removing 3 installation bolts.

Installation

•	Install the component with the specified torques.

•	Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.

•	The VCM actuator has to be installed at the fully closing positon of the VCM valve. If it doesn't, the VCM coupling of the VCM shaft can't be put in the the VCM actuator.

Installation is reverse of removal.

Variable charge motion actuator installation bolt :

9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Variable Charge Motion Actuator (VCMA) Schematic Diagrams

Circuit diagram ...

Fuel Delivery System

...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: System Setting and Operation
System setting • Setting Blind-Spot Safety function The driver can activate the systems by placing the ignition switch to the ON position and by selecting 'User Settings → Driver Assistance → Blind-Spot Safety → Rear Cross-Traffic Safety'. The RCCW turns on and gets ready to ...

Hyundai Elantra AD (2016-2020) Service Manual: Fluid Components and Components Location
Components Location 1. Automatic transaxle2. Drain plug gasket3. Drain plug4. ATF level check plug5. ATF level check plug gasket6. ATF injection plug O-Ring7. ATF injection plug (Eyebolt) ...