Connect scan tool with 'DATA LINK CONNECTOR' (DLC).

Warm engine up to normal operating temperature.

Turn all the electrical devices including air conditioner OFF.

Monitor "VGT ACTUATOR." parameter on the scan tool.

Fig.1) VSA current data at idle

Fig.2) VSA open current data when the engine speed is above 3000RPM

Fig.3) VSA LearningIG when IG key ON → OFF

※ VSA is controlled to duty 15% at idle, 0% at the time of open and 45~0% during learning.

And VSA posion is 65% at idle, 100% at open and 0% at close.