| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS |
|---|
| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check:- That there are no obstacles preventing the travel of the window;
- Check whether the windows do not work in all situations (manual and/or automatic operation);
| Move on to Step | 1. Presence of obstacles | 1. Restore the correct mechanical operation of the opening/closing of the window |
| 2. The windows work manually (the window opens/closes when the button is pressed) but not automatically. See table M02 ELECTRIC FRONT WINDOWS / NOT WORKING IN AUTOMATIC MODE | 2. Continue following the instructions in Table M02 |
| 1 | WINDOWS SWITCH CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the operation of the front window switches | Move on to Step | Switch faulty | Replace the window opening switch |
| 2 | CHECK WINDOWS ELECTRIC CIRCUIT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the following, in order:- Window opening fuses,
- Window opening switches power supply and earth,
- Services control unit power supply,
- Connection between services control unit and electric window switches,
- Connection between switch control unit and window opening switches,
- Connection between services control unit and electric window motors,
| Move on to Step | 1. Component defective | 1. Replace the component involved (in the case of a fuse, find out what caused it to blow). |
| 2. Connections not correct | 2. Repair the connections See E3050 ELECTRIC FRONT WINDOWS |
| 3 | SERVICES CONTROL UNIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the services control unit is working properly, in particular that a command from a window opening switch to the services control unit has a corresponding output power supply for the appropriate electric window motor, See E3050 ELECTRIC FRONT WINDOWS | Move on to Step | Control unit not working | Replace the services control unit |
| 4 | ELECTRIC WINDOWS MOTOR CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check the operation of the electric window motors | Move on to Step | Electric window motor faulty | Replace the electric window motor |
| 5 | ELECTRIC WINDOW CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the mechanical section of the window opening device is working properly and is correctly fastened | Move on to Step | 1. Window opening device incorrectly fastened or adjusted | 1. Restore the operation of the window opening device |
| 2. Electric window device faulty | 2. Replace the window opening device |
| 6 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check that the fault is no longer present | | | |