| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS | 
|---|
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | With the tester (Examiner or other instrument) connected, check the CAN network information for: no control unit not activated;that there are no faulty control units;no control unit with faulty CAN line;
 | Move on to Step | 1. Presence of faults | 1. Continue following the instructions for the diagnostic equipment | 
| 2. Driver's/passenger door node not activated | Move on to Step | 
| 2 | ELECTRICAL SYSTEM CHECK (NODE SUPPLY) | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check: the connection between the luggage compartment junction unit and the door node concerned
 | Move on to Step | Connections interrupted | Restore the connections (Wiring Diagram    )  E3050  FRONT ELECTRIC WINDOWS | 
| 3 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Connect the diagnostic equipment (Examiner or Examiner plus) to the diagnostic socket: that there are no errors in the Door Node control unit concernedthe operation of the electric window concerned through active diagnosis
 |  | 1. Presence of errors in the Door Node control unit concerned | 1. Continue following the instructions in the diagnostic table | 
| 2. Electric window not activated | Move on to Step | 
| 4 | ELECTRICAL SYSTEM CHECK (ELECTRIC WINDOW MOTOR SUPPLY) | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check: The condition of the specific fuse in the dashboard junction unitthe condition of the connection between the services discharge relay in the dashboard junction unit and the door node concernedthe condition of the connection between the door node concerned and the electric window motor (Wiring Diagram    )  E3050  FRONT ELECTRIC WINDOWS 
 | Move on to Step | 1. fuse damaged | 1. Replace the fuse | 
| 2. Connections interrupted | 2. Restore the connections (Wiring Diagram    )  E3050  FRONT ELECTRIC WINDOWS | 
| 5 | ELECTRIC WINDOW CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check the mechanical condition and impediments for the electric window. | Move on to Step | 1. Electric window device faulty | 1. Replace the window opening device    See in Op.   7005M21  Left or right front door electric WINDOW - R.R. | 
| 2. Impediments found | 2. Remove the obstacle and check correct operation | 
| 6 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check that the fault is no longer present |  | Fault persists | Replace the door node    See in Op.   7005M14  ELECTRIC WINDOWS, REAR VIEW MIRRORS and CENTRAL LOCKING SWITCH unit on driver's front door - R.R. |