|  |  | Test results | 
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation | 
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|  | First of all, check the level of the detergent fluid in the reservoir, also make sure that it is not leaking, also check that when the lever on the right of the steering wheel is operated, the windscreen wipers work properly. | Move on to Step 1 | 1. Mixture level too low.2. Reservoir damaged.3. The windscreen wipers are not working properly. | 1. Restore the correct level.    Op. 5050A10  WINDSCREEN WASHER FLUID RESERVOIR (IN ENGINE COMPARTMENT) - R+R 2. Replace the reservoir    Op. 5050A10  WINDSCREEN WASHER FLUID RESERVOIR (IN ENGINE COMPARTMENT) - R+R 3. Proceed as instructed in the diagnosis    See table J002  WINDSCREEN WIPERS NOT WORKING | 
| 1 | PIPE AND JET CHECK | All OK | Problems encountered | Operation | 
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|  | Check that there are no obstructions or incorrect connections for the windscreen washer pipesOp. 5050B14 PIPES AND CONNECTORS FOR FRONT WINDSCREEN WASHER. - R.R.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 pipes.2. Repair or replace the jetOp. 5050B10  FRONT WINDSCREEN WASHER JETS - R+R CLEAN AND/OR POSITION | 
| 2 | WINDSCREEN WASHER PUMP POWER SUPPLY CHECK | All OK | Problems encountered | Operation | 
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|  | Check that the electrical connection between the steering column switch unit and the Body Computer and between the body Computer and the electric windscreen washer pump is correct    See E3020  WINDSCREEN WASH/WIPE | Move on to Step 3 | Electrical connection interrupted | Restore the correct connections. | 
| 3 | SCREEN WASHER PUMP CHECK | All OK | Problems encountered | Operation | 
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|  | Check that the screen washer pump is working. | End of diagnosis | Pump faulty. | Replace the screen washer pump    Op. 5050B22  FRONT AND REAR SCREEN WASHER PUMP - R+R |