Checking the Tailgate Wiper

Checking the tailgate wiper

Checking components
Activate the tailgate wiper using the 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 tailgate wiper status OK?

Yes - No Fault Found

No - Replacing components

-------------------------------------------------

Replacing components
Check the tailgate wiper fuse; replace as necessary.
Replace relay 2/16.

Other information:
- For further information about the fuses and relays, see the Wiring Diagram
- To access the relay/fuse box in the cargo compartment: Relay/fuse box cargo compartment/Rear electronic module (REM), replacing Integrated Relay/Fusebox Cargo Compartment/Rear Electronic Module (REM), Replacing





Select "Continue" when the fault has been remedied.

Continue - Checking components

-------------------------------------------------

Checking components
Activate the tailgate wiper. Read off the status.

Hint: If the readout of tailgate wiper status was OK, the fault was caused by a damaged fuse or relay. The fuse can blow if relays are activated in the wrong order. This can happen when the key is turned from position I to position II and the wiper arm is activated at the same time.





Was the tailgate wiper status OK?

Yes - Fault Found

No - Replacing the component

-------------------------------------------------

Replacing the component
Replace the wiper switch.

Other information:
- For replacing the wiper switch: Washer / wiper switch, replacing Service and Repair

Select "Continue" when the fault has been remedied.

Continue - Checking components

-------------------------------------------------

Checking components
Activate the tailgate wiper. Read off the status.

Hint: If the tailgate wiper switch status is OK the fault is in the tailgate wiper.





Was the tailgate wiper status OK?

Yes - Fault Found

No - Replacing the component

-------------------------------------------------

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:
- For replacing and programming and replacing the control module: Steering wheel module (SWM), replacing Service and Repair





Was a fault detected?

Yes - Fault Found

No - No Fault Found

-------------------------------------------------