Component Inspection
1.

Check VGT Control solenoid valve component resistance

(1)

IG KEY "OFF", ENGINE "OFF".

(2)

Disconnect VGT Control solenoid valve connector.

(3)

Measure he resistance between VGT Control solenoid valve component terminal 1 and 2.

1)

Specification : 14.7 ~ 16.1Ω (20℃)

(4)

Is VGT Control solenoid valve component resistance within the specification?

YES

a.

Go to "2.Check VGT Control solenoid valve operation" as follows.

NO

a.

Replace VGT Control solenoid valve and go to "Verification of Vehicle Repair".

2.

Check VGT Control solenoid valve operation

(1)

IG KEY "ON", ENGINE "ON".

(2)

Check that VGT Control solenoid valve operating duty is 75% after warming engine up.

(3)

Check if vacuum generates after disconnecting VGT valve vacuum hose.

(4)

Check if vacuum generates when decelerating after rapid acceleration (VGT Control solenoid valve operating duty 9.8%).

1)

Specification : VGT Control solenoid valve duty 75% : vacuum generates

VGT Control solenoid valve duty 9.8% : vacuum does not generate

YES

a.

Go to "Verification of Vehicle Repair".

NO

a.

Replace VGT Control solenoid valve and go to "Verification of Vehicle Repair".

※ Repeat this process 2~3 times.

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