| | Results of the tests |
| 1 | FUSE CHECK | All OK | Problems met | Operation |
|---|
| Check
the condition of the windscreen wiper motor electrical system fuse | Continue to Step 2 | Fuse blown | Replace the windscreen wiper
motor electrical system fuse |
| 2 | CHECKING RELAY | All OK | Problems met | Operation |
|---|
| Check
the windscreen wiper motor electrical system control relay is working. | Continue to Step 3 | Relay faulty | Change the windscreen wiper
motor electrical system control relay |
| 3 | CHECKING STEERING COLUMN SWITCH
UNIT | All
OK | Problems
met | Operation |
|---|
| Check
the stalk unit is properly supplied with power See E3020 WINDSCREEN WASH/WIPE | Continue to Step 4 | Stalk unit not correctly supplied:
electrical connection between body computer node and stalk unit broken
or not insulated. | Restore connection/insulation of the electrical
connection between body computer node and stalk unit See E3020 WINDSCREEN WASH/WIPE |
| 4 | CHECKING ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
|---|
| Disconnect
the electrical connector, windscreen wiper motor side, and check
for a windscreen wiper motor control signal from the stalk unit See E3020 WINDSCREEN 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 windscreen wiper motor. See E3020 WINDSCREEN WASH/WIPE | Continue to Step 6 | Electrical connection broken
or not insulated | Restore continuity/insulation of the electrical connection See E3020 WINDSCREEN WASH/WIPE |
| 6 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Replace the windscreen wiper
motor Op. 5050B42Search for the fault starting
from another symptom' |
