Variable Charge Motion Actuator (VCMA)
Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Remove the intake manifold .
3. Remove the installation bolts (A) and nut (B), and then remove the variable charge motion actuator.
Installation
CAUTION:
- Install the component with the specified torques.
- Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
CAUTION:
The VCM actuator has to be installed at the fully closing position of the VCM valve.
If it doesn't, the VCM coupling of the VCM shaft can't be put in the the VCM actuator.
1. Installation is reverse of removal.
Variable charge motion actuator installation bolt:
8.0 - 11.0 N.m (0.8 - 1.1 kgf.m, 5.9 - 8.1 lb-ft)
Variable charge motion actuator installation nut:
6.0 - 8.0 N.m (0.6 - 0.8 kgf.m, 4.4 - 5.9 lb-ft)
Adjustment
NOTE:
After replacing the Variable Charge Motion Actuator (VCMA) , "VCM Learning" procedure must be performed.
Otherwise, engine performance or emission control related troubles may occur.
1. Turn the ignition switch OFF.
2. Connect the GDS to the Data Link Connector (DLC).
3. Turn the ignition switch ON.
4. Select the "Vehicle", "Model year", "Engine" and "System".
5. Select the "Vehicle S/W Management".
6. Select the "Inspection / Test".
7. Select the "VCM Learning".
8. Perform the VCM learning procedure according to the message on the GDS screen.