|  |  | 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 network | 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 on the turbocharging pressure sensor | Move on to Step 4 | 
| 4 | PRESSURE SENSOR CHECK | All OK | Problems encountered | Operation | 
|---|
|  | Check that the pressure sensor is connected and powered correctly    See E5030  PETROL ENGINES ELECTRONIC MANAGEMENT Also check that the pressure sensor is operating correctly | End of diagnosis | Connections not correct | Restore the correct connection. | 
| Power supply not correct. | Restore the correct power supply. | 
| Incorrect operation of sensor | Replace turbocharging pressure sensor    Op. 1056B44 AIR PRESSURE SENSOR - R.R. |