199002280 - J005 BACK WINDOW WASHER IS NOT WORKING

When the lever on the right of the dashboard is pushed towards it, the rearscreen washer function is not activated properly, but the rearscreen wiper is working
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
First of all check the level of the detergent fluid in the reservoir and also make sure that it is not leakingMove on to Step 11. Insufficient detergent fluid level2. Detergent fluid reservoir damaged1. Restore the correct level2. Replace the reservoir
1PIPE AND JET CHECKAll OKProblems encounteredOperation
Check that there are no obstructions in the rearscreen washer pipes and that they are not incorrectly connected.Check the condition of the jetMove on to Step 21. Pipes blocked or damaged2. Jet obstructed or damaged1. Repair or replace the pipes2. Repair or replace the jet
2REARSCREEN WASHER ELECTRIC PUMP POWER SUPPLYAll OKProblems encounteredOperation
Check the connection between the steering column switch unit and the rearscreen washer pump    See E3021 REAR WINDOW WASH/WIPE Move on to Step 3Connection brokenRepair the connections    See E3021 REAR WINDOW WASH/WIPE
3REARSCREEN WASHER PUMP CHECKAll OKProblems encounteredOperation
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 4Pump faultyReplace the screen washer electric pump    Op. 5050B22 FRONT AND REAR SCREEN WASHER PUMP - R+R
4STEERING COLUMN SWITCH UNIT CHECKAll OKProblems encounteredOperation
Check that the stalk unit is working properly: in particular the rearscreen wiper switch    See descriptions 5550 WARNING AND MANOEUVRING INDICATORS End of diagnosisStalk unit not working properlyReplace the steering column switch unit.    Op. 5550A10 STALK UNIT ASSEMBLY - R+R