Faulty Signal

Faulty signal

Checking the control

Hint: The diagnostic trouble code is set if the Steering wheel module (SWM) has detected a faulty signal when checking the intermittent windscreen wiper function. No further corrective action is required if the diagnostic trouble code (DTC) is intermittent and does not recur.




- Ignition on.
- Read off the relevant switch and check the function.
Check that the switch does not stick in the activated position.
Check that the lever for the windscreen wipers is attached correctly
If not faults are discovered, try replacing the lever for the windscreen wipers. If the fault recurs, replace the control module.
Remedy as necessary.

Other information
- Control stalk, right Service and Repair
- Steering wheel control module Service and Repair









Continue - Verification

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

Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reconnect the connectors, components, etc.
- Ignition on
- Read off the relevant button or switch.
Check that the function for the relevant button or switch is correct.





Is the function correct?

Yes - Troubleshooting procedure complete

No - Fault-tracing information

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

Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit Fault-Tracing

No - Attempt New Test

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

Attempt New Test - Checking the control

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