Checking Windshield Washing

Checking windshield washing

Checking components
Activate the windshield washer using the windshield wiper switch. Read off the status.

Hint: If the wiper switch status is OK the fault is not in the steering wheel module (SWM).





Was the wiper switch status OK?

Yes - No Fault Found

No - Replacing the component

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Replacing the component
Replace the wiper switch.

Other information:
- To replace the wiper switch, see Washer / wiper switch, replacing, B5244T5, B5254T2 Service and Repair.

Select "Continue" when the fault has been remedied.

Continue - Checking components

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Checking components
Activate the washer using the windshield wiper switch. Read off the status.

Hint: The fault is in the windshield wiper switch if the windshield wiper switch status is OK.





Was the wiper switch status OK?

Yes - Fault Found

No - Replacing the component

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Replacing the component
Try replacing the steering wheel module (SWM).

Caution! A new control module is delivered without software. The control module must be programmed in order to function after replacement.

Other information:
- To replace and program the steering wheel module (SWM), see Steering wheel module (SWM), replacing Service and Repair.





Was a fault detected?

Yes - Fault Found

No - No Fault Found

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