Kia Sportage: Engine Control System / Variable Charge Motion Actuator (VCMA) Repair procedures

Kia Sportage QL (2015-2025) Service Manual / Engine Control / Fuel System / Engine Control System / 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 pipe (B) in order to secure work space.

Remove VCMA rod clip (A) and connection link between flap (B) using screwdriver.

VCMA connection link can be damaged. So, make sure to remove it in a horizontal direction.

Make sure that groove part of the connection link (C) is pointing upward when mounting VCMA.

Installation

Install in the reverse order of removal.

Make sure that groove part of the connection link is pointing upward when mounting VCMA.

Variable Charge Motion Actuator (VCMA) mounting bolt :

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

Adjustment

After replacing the VCMA (Variable Charge Motion Actuator) or intake manifold, be sure to delete the previous VCMA adative value by performing the 'resetting adaptive values' procedure using KDS/GDS.

VCMA learning procedure is performed automatically while driving but manual learning procedure is also available for immediate access to proper operation.

1)	Push the accelerator pedal at 2,500 engine rpm for 2-3 seconds and then idle the engine.

2)	Repeat the no. 1 procedure three times.

3)	Switch "OFF" the ignition.

1.	Switch "OFF" the ignition.

2.	Connect the KDS/GDS to Data Link Connector (DLC).

3.	Switch "ON" the ignition.

4.	Select "Vehicle, Model year, Engine, System".

5.	Select "Vehicle S/W Management".

6.	Delete the previous VCMA adaptive value by selecting "Resetting Adaptive Values".

7.	Press [Reset] when ready.

8.	Reset completed.

Variable Charge Motion Actuator (VCMA) Schematic diagrams

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