| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| First of all check the level of the detergent fluid in the reservoir and also make sure that it is not leaking | Move on to Step 1 | 1. Insufficient detergent fluid level2. Detergent fluid reservoir damaged | 1. Restore the correct level.2. Replace the reservoir |
| 1 | PIPE AND JET CHECK | All OK | Problems encountered | Operation |
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| Check that there are no obstructions in the rearscreen washer pipes and that they are not incorrectly connected.Check the condition of the jet | Move on to Step 2 | 1. Pipes blocked or damaged2. Jet obstructed or damaged | 1. Repair or replace the pipes2. Repair or replace the jet |
| 2 | REARSCREEN WASHER ELECTRIC PUMP POWER SUPPLY | All OK | Problems encountered | Operation |
|---|
| Check the connection between the steering column switch unit and the rearscreen washer pump See E3021 REAR WINDOW WASH/WIPE | Move on to Step 3 | Connection broken | Repair the connections See E3021 REAR WINDOW WASH/WIPE |
| 3 | REARSCREEN WASHER PUMP CHECK | All OK | Problems encountered | Operation |
|---|
| Check the operation of the rearscreen washer electric pump | It is the actual pump that carries out the screen washer function but operated in the reverse direction |
| Move on to Step 4 | Pump faulty. | Replace the screen washer electric pump Op. 5050B22 FRONT AND REAR SCREEN WASHER PUMP - R+R |
| 4 | STEERING COLUMN SWITCH UNIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the stalk unit is working properly: in particular the rearscreen wiper switch See descriptions 5550 WARNING AND MANOEUVRING INDICATORS | End of diagnosis | Stalk unit not working properly | Replace the steering column switch unit. Op. 5550A10 STALK UNIT ASSEMBLY - R+R |