| | Results of the tests |
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|
| Carry out a preliminary check on the fluid level in the reservoir; also make sure that it is not leaking.Check that the jets are not obstructed by ice or dirt | Continue to Step 1 | Mixture level too low | Top up the level Op. 5050A14 |
| Reservoir damaged | Replace the reservoir Op. 5050A10 |
| Jets dirty or blocked | Clean the jets |
| 1 | CHECKING ELECTRIC REARSCREEN WASHER PUMP | All OK | Problems met | Operation |
|---|
| CHECKING ELECTRIC REARSCREEN WASHER PUMP Check the connection between the steering column switch unit, Body Computer and windscreen washer pump See E3021 REAR WINDOW WASH/WIPE | Continue to Step 2 | Connection broken | Restore the connections See E3021 REAR WINDOW WASH/WIPE |
| 2 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect the diagnostic equipment (Examiner Plus or Smart) to the diagnostic socket and check that there are no faults in the Body Computer | Continue to Step 3 | Body Computer faulty | Continue according to the instructions for the diagnostic equipment |
| 3 | CHECKING ELECTRIC REARSCREEN WASHER PUMP | All OK | Problems met | Operation |
|---|
| Check the operation of the electric rearscreen washer pump | Continue to Step 4 | Electric pump faulty | Replace the electric rearscreen washer pump Op. 5050B22 |
| 4 | CHECK ON STEERING COLUMN SWITCH UNIT | All OK | Problems met | Operation |
|---|
| Check that the steering column switch unit is working properly | Continue to Step 5 | Steering column switch unit not working | Replace the steering column switch unit Op. 5550A12 |
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check that the fault is no longer present | End of diagnosis | Fault persists | Replace the Body Computer Op. 5505A32 Search for the fault starting from another symptom' |