| | Results of the tests |
| 0 | PRELIMINARY CHECK | All OK | Problems met | Operation |
|---|
| Check
the washer fluid level is correct | Continue to Step 2 | Washer fluid level too
low | Continue
to Step 1 |
| 1 | CHECKING EXPANSION TANK | All OK | Problems met | Operation |
|---|
| Check
the condition of the expansion tank. | Continue to Step 8 | Expansion tank damaged | Change the expansion tank
Op. 5050A10 |
| 2 | PIPE CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition of the piping. In particular, check pipes are not
blocked or incorrectlly connected. | Continue to Step 3 | Pipes blocked or incorrectly connected | Restore connections or change
the pipes. |
| 3 | CHECKING JETS | All OK | Problems met | Operation |
|---|
| Check
the condition of the jets | Continue to Step 4 | Windscreen or rear window washer
jets damaged | Change the damaged jets. Op. 5050B10 Op. 5050C10 |
| 4 | CHECKING ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
|---|
| Disconnect
the electrical connector on the two-way pump motor side and check
for a control signal from the stalk See E3020 WINDSCREEN WASH/WIPE See E3021 REAR WINDOW WASH/WIPE | Continue to Step 7 | No electrical signal | Continue to Step 5 |
| 5 | CHECKING ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
|---|
| Check
continuity/insulation of electrical connection between stalk unit
and two-way pump motor. See E3020 WINDSCREEN WASH/WIPE See E3021 REAR WINDOW WASH/WIPE | Continue to Step 6 | Electrical connection broken
or not insulated | Restore connection/insulation of the electrical
connection See E3020 WINDSCREEN WASH/WIPE See E3021 REAR WINDOW WASH/WIPE |
| 6 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | The fault persists | Change the stalk unit Op. 5050A10 |
| 7 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | The fault persists | Change the pump motor Op. 5050B22 |
| 8 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | The fault persists | Top up the washer fluid level.Search
for the fault starting from another symptom' |
