Kia Sportage: Engine Control System / Variable Charge Motion Actuator (VCMA) Description and operation

Kia Sportage QL (2015-2022) Service Manual / Engine Control / Fuel System / Engine Control System / Variable Charge Motion Actuator (VCMA) Description and operation

Description
Variable charge motion actuator reinforces the tumble of the air that flows inside the cylinder, improves combustion performance, and enhances engine torque and fuel efficiency in low and mid speed range. ECM drives motor in On/Off type and controls VCMA. VCMA is usually "Closed" and creates tumble for the air intake when vehicle is started. When vehicle accelerates and reaches approx. 2,600 rpm, actuator operates VCM flap (Open) and facilitates the flow of air intake.
Operation

Variable Charge Motion Actuator (VCMA) Components and components location
Components ECM directly controls the actuator and VCM flap for link-structure intake manifold is operated when motor rotates. This creates air tumble. Motor and position sensor a ...

Variable Charge Motion Actuator (VCMA) Schematic diagrams
Circuit Diagram Harness Connector ...

Other information:

Kia Sportage QL (2015-2022) Service Manual: Overdrive Clutch Control Solenoid Valve (OD/C_VFS) Repair procedures


Inspection 1. Switch "OFF" ignition. 2. Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery") 3. Disconnect the solenoid valve connector (A). ...

Kia Sportage QL (2015-2022) Service Manual: Variable Charge Motion Actuator (VCMA) Repair procedures


Removal 1. Turn the ignition switch off and disconnect the battery (-) terminal. 2. Remove variable charge motion actuator connector (A) and three mounting bolts. 3. Remove intake manifold vacuum p ...

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