2398791 - J05 BACK WINDOW WASHER IS NOT WORKING

When the lever on the right of the steering wheel is pulled towards the latter, the windscreen washer function does not work properly
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Carry out a preliminary check on the fluid level in the reservoir; also make sure that it is not leaking. Check that the jets are not obstructed by ice or dirtContinue to Step 1Mixture level too lowTop up the level Op. 5050A14
Reservoir damagedReplace the reservoir Op.   5050A10 
Jets dirty or blockedClean the jets
1CHECKING ELECTRIC REARSCREEN WASHER PUMPAll OKProblems metOperation
CHECKING ELECTRIC REARSCREEN WASHER PUMP Check the connection between the steering column switch unit, Body Computer and windscreen washer pump See   E3021  REAR WINDOW WASH/WIPE Continue to Step 2Connection brokenRestore the connections See   E3021  REAR WINDOW WASH/WIPE
2CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
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 3Body Computer faultyContinue according to the instructions for the diagnostic equipment
3CHECKING ELECTRIC REARSCREEN WASHER PUMPAll OKProblems metOperation
Check the operation of the electric rearscreen washer pumpContinue to Step 4Electric pump faultyReplace the electric rearscreen washer pump Op.   5050B22 
4CHECK ON STEERING COLUMN SWITCH UNITAll OKProblems metOperation
Check that the steering column switch unit is working properlyContinue to Step 5Steering column switch unit not workingReplace the steering column switch unit Op.   5550A12 
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the Body Computer Op.   5505A32  Search for the fault starting from another symptom'