| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Raise the windscreen wiper arms off the glass, turn on the panel and select one of the functions using the stalk (e.g. intermittence). Check whether the noise persists. | Move on to Step 1 | The noise is no longer present. | Replace the wiper brushes and/or the arms. Op. 5050B28 WINDSCREEN WIPER BLADE/S - R+R Op. 5050B32 WINDSCREEN WIPER ARM/S - R+R |
| 1 | CHECK CORRECT FASTENING OF THE WINDSCREEN WIPER | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Turn off the previously selected function using the stalk and turn off the panel, then remove the brush carrier arms and the plate. Check the wiper is correctly fastened to the body. Op. 5050B32 WINDSCREEN WIPER ARM/S - R+R | Move on to Step 2 | Incorrect wiper fastening. | Restore the correct fastening of the wiper. |
| 2 | CHECK THE WIPER LINKAGE | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Turn off the instrument panel and check the linkage moves correctly, in particular:- check the linkage does not interfere with the body and is not impeded by foreign bodies present in the wiper housing;
- check the wiper unit has been correctly assembled.
| End of diagnosis | 1. The linkage interferes with the body. | 1. Restore the correct operation of the linkage. |
| 2. Foreign bodies present in the wiper housing. | 2. Remove the foreign bodies from the wiper. |
| 3. Incorrect wiper fastening. | 3. Replace the wiper unit Op. 5050B38 WINDSCREEN WIPER ASSEMBLY - R+R OR REPAIR |