2888384 - J04 BACK WINDOW WIPER NOT WORKING
With the ignition key in the ON position, when the lever on the right of the steering wheel is operated, the rearscreen wiper does not work properly., but the rearscreen washer does work| Results of the tests | ||||
| 1 | REARSCREEN WIPER MOTOR SUPPLY CHECK | All OK | Problems met | Operation |
|---|---|---|---|---|
Check, in order:
| Continue to Step 2 | Connection broken | Restore the connections | |
| 2 | REARSCREEN WIPER MOTOR CHECK | All OK | Problems met | Operation |
| Check that the windscreen wiper motor is working properly and, in particular, the electronic device inside it | Continue to Step 3 | Motor electronic device faulty | Replace the electronic device Op. 5050C45 | |
| Motor faulty | Replace the windscreen wiper motor Op. 5050C42 | |||
| 3 | STEERING COLUMN SWITCH UNIT CHECK | All OK | Problems met | Operation |
| Check that the steering column switch unit is working properly: in particular, the rearscreen wiper switch: see DESCRIPTION AND OPERATION: 5050 SCREEN WASHERS AND HEADLAMP WASH/WIPE | Continue to Step 4 | Stalk unit not working properly | Replace the steering column switch unit Op. 5550A12 | |
| 4 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | Fault persists | Search for the fault starting from another symptom' | |