		Test results
1	ACTIVE DIAGNOSIS CHECK	All OK	Problems encountered	Operation
	Connect the Examiner diagnostic equipment to the Instrument Panel Node and use active diagnosis to check that the active matrix display is working.	Move on to Step 2	Active matrix display is not working correctly.	Replace the Instrument Panel Op. 5560B10 CONTROL PANEL - R+R
2	CAN INFORMATION CHECK	All OK	Problems encountered	Operation
	Connect the Examiner diagnostic equipment and check for faults in the CAN	Move on to Step 3	Faults in CAN	Continue following the instructions given by the diagnostic equipment.
3	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Keep the diagnostic instrument connected and check for errors on the turbocharging pressure sensor by connecting it to the engine control unit	End of diagnosis	Errors present at the turbocharging pressure sensor.	Move on to Step 4
4	PRESSURE SENSOR CHECK	All OK	Problems encountered	Operation
	Check that the pressure sensor connection and power supply are correct See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT Also check that the pressure sensor is working properly	End of diagnosis	Connection not correct	Restore the correct connection.
			Power supply not correct.	Restore the correct power supply.
			Sensor not working properly.	Replace the turbocharging pressure sensor Op. 1056B44 AIR PRESSURE SENSOR - R + R

The customer complains of irregular operation of the turbo pressure LED gauge in the active matrix as the engine revs increase