P0489 EGR valve control

			Test results
1	COMPONENT CONCERNED	WIRING CHECK BETWEEN HIGH PRESSURE EGR SOLENOID VALVE CONTROL AND ENGINE CONTROL MODULE	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Wiring between high pressure EGR valve control and powertrain control module	Check the continuity of the wiring between high pressure EGR valve control and PIN 35.50 of the engine control module	Go to Step 2	Breaks in the wiring continuity	Restore the correct continuity of the wiring
2	COMPONENT CONCERNED	CHECK USING DIAGNOSIS EQUIPMENT	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	High pressure EGR valve	Connect the diagnostic tool to the powertrain control module, go to the “ACTUATORS” menu and launch procedure “EGR DC Motor test”. Check the outcome of the test	Go to Step 3	The test did NOT have a positive outcome	Replace the high pressure EGR valve Op. 1080C24 E.G.R. SYSTEM SOLENOID - R + R
3	COMPONENT CONCERNED	CHECK USING DIAGNOSIS EQUIPMENT	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	High pressure EGR valve	Check for other error codes stored in the powertrain control module	End of diagnosis	Additional errors stored in the Powertrain Control Module	Follow the instructions provided by the diagnostic tool to resolve the errors