Hyundai Elantra: Engine Control System / Variable Charge Motion Actuator (VCMA) Description and Operation

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

Description
The Variable Charge Motion Actuator (VCMA) is installed on the inlet of the intake manifold.
It consists of a DC motor which actuates the VCM valve and a position sensor which detects the position of the VCM valve.
The VCM system tumbles air flow entering into combustion chamber of each cylinder by closing the VCM valve in the cold start conditions.
This tumble effect reduces cold start emissions by improving atomization
Canister Close Valve (CCV) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the CCV connector. 3. Measure resistance between the CCV terminal 1 and 2. 4. Check that the resistance is within the specific ...

Variable Charge Motion Actuator (VCMA) Components and Components Location
Components 1. Coupling2. Shaft3. Stabilizer O-ring4. Stabilizer5. O-ring6. Insert nut7. Stabilizer Cover8. Valve9. Hole cover ...

Other information:

Hyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications Front Suspension ItemSpecificationSuspension typeMac Pherson StrutShock absorberTypeAdvanced Valve(RS Valve) Rear Suspension ItemSpecificationSuspension typeTorsion Beam AxleShock absorberTypeAdvanced Valve(RS Valve) Wheel & Tire ItemSpecificationWhee ...

Hyundai Elantra AD (2016-2020) Owners Manual: Battery saver function, Headlamp delay function
Battery saver function The purpose of this feature is to help prevent the battery from being discharged. The system automatically turns off the parking lamp when the key is removed (remote key) or when the driver turns the engine off (smart key) and opens the driver-side door. With this feat ...

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