Connect scantool to Data Link Connector(DLC).

IG KEY : ON , Engine : ON

Select "actuator test mode" on scantool.

Using the scantool, operate PCSV by force.

Is the EGR valve working properly ?

YES

▶ Fault is intermittent caused by poor contact in the sensor’s and/or PCM’s connector or was repaired and PCM memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "Verification vehicle Repair" procedure .

NO

▶ Go to "Inspection & Repair" procedure.