|  |  | Results of the tests | 
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation | 
|---|
|  | Carry
out a preliminary check on the fluid level in the reservoir; also
make sure that it is not leaking.Check that when the lever on the right of the steering wheel
is operated, the windscreen wipers work properly. Check that the jets are not obstructed by ice or dirt | Continue to Step 1 | Mixture level too low | Top up the level  Op. 5050A14 | 
| Mixture level too low | Replace the reservoir  Op.   5050A10 | 
| Mixture level too low | Coolant leaks detected See table    J01 | 
| 1 | ELECTRIC WINDSCREEN WASHER PUMP
SUPPLY CHECK | All
OK | Problems
met | Operation | 
|---|
|  | Check
the connection between the steering column switch unit, Body Computer,
junction unit and electric windscreen washer pump  See   E3020  WINDSCREEN WASH/WIPE | Continue to Step 2 | Connection broken | Restore the windscreen washer
connections  See   E3020  WINDSCREEN WASH/WIPE | 
| 2 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation | 
|---|
|  | Connect
the diagnostic equipment (Examiner Plus or Smart) to the diagnostic
socket and check that there are no faults in the Body Computer | Continue to Step 3 | Body Computer faulty | Continue according to the
instructions for the diagnostic equipment | 
| 3 | ELECTRIC WINDSCREEN WASHER PUMP
CHECK | All
OK | Problems
met | Operation | 
|---|
|  | Check
the operation of the electric windscreen washer pump | Continue to Step 4 | Electric pump faulty | Replace the electric windscreen
washer pump  Op.   5050B22 | 
| 4 | CHECK ON STEERING COLUMN SWITCH
UNIT | All
OK | Problems
met | Operation | 
|---|
|  | Check
that the steering column switch unit is working properly | Continue to Step 5 | Steering column switch
unit not working | Replace the steering column switch unit  Op. 5050A12 | 
| 5 | Continue as instructed by
the tester | All
OK | Problems
met | Operation | 
|---|
|  | Check
that the fault is no longer present | End of diagnosis | The fault persists | Replace the Body Computer  Op. 5005A32 |