| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Check that the level of the detergent fluid in the expansion tank is correct. Also make sure that it is not leaking. | Move on to Step 1 | 1. Insufficient detergent fluid level.2. Expansion tank damaged. | 1. Top up the detergent to the correct level.2. Replace the expansion tank Op. 5050A10 WINDSCREEN WASHER FLUID RESERVOIR (IN ENGINE COMPARTMENT) - R+R |
| 1 | PIPE CHECK | All OK | Problems encountered | Operation |
|---|
| Check the condition of the pipes, in particular that they are not obstructed or incorrectly connected. | Move on to Step 2 | Pipes obstructed or incorrectly connected. | Restore connections correctly or replace the pipes. |
| 2 | JETS CHECK | All OK | Problems encountered | Operation |
|---|
| Check the condition of the jets. | Move on to Step 3 | 1. Windscreen washer jets damaged2. Rearscreen washer jets damaged | 1. Replace the damaged jetsOp. 5050B10 2. Replace the damaged jetsOp. 5050C10 |
| 3 | ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
|---|
| Disconnect the electrical connector, two-way electric pump motor side, and check for a control signal coming from the steering column switch unit See E3020 WINDSCREEN WASH/WIPE | Move on to Step 5 | No electrical signal. | Move on to Step 4 |
| 4 | ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check the continuity/insulatin of the electrical connection between the Body Computer and the two-way electric pump motor and between the Body Computer and the Steering column switch unit See E3020 WINDSCREEN WASH/WIPE | Move on to Step 5 | Connection broken or not insulated. | Restore the continuity/insulation of the electrical connection See E3020 WINDSCREEN WASH/WIPE |
| 5 | WINDSCREEN/REARSCREEN ELECTRIC WASHER PUMP CHECK | All OK | Problems encountered | Operation |
|---|
| Check the operation of the windscreen/rearscreen washer electric pump | Move on to Step 6 | Pump faulty. | Replace the screen washer electric pump Op. 5050B22 FRONT AND REAR SCREEN WASHER PUMP - R+R |
| 6 | STEERING COLUMN SWITCH UNIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the switch unit is working properly: in particular, the rear wiper switch See descriptions 5550 WARNING AND MANOEUVRING INDICATORS | End of diagnosis | Stalk unit not working properly. | Replace the steering column switch unitOp. 5550A12 |
