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: Immobilizer System
The immobilizer system protects your vehicle from theft. If an improperly coded key (or other device) is used, the engine's fuel system is disabled. When the ignition switch is placed in the ON position, the immobilizer system indicator should come on briefly, then go off. If the indicator ...

Hyundai Elantra AD (2016-2020) Owners Manual: Aluminum wheel maintenance
The aluminum wheels are coated with a clear protective finish. NOTICE Do not use abrasive cleaner, polishing compound, solvent, or wire brushes on aluminum wheels. Clean the wheel when it has cooled. Use only a mild soap or neutral detergent, and rinse thoroughly with water. Also, cle ...