DTC Recognition And Display
WARNING: This page is about a different car, the 2011 Volkswagen CC, 2010 Volkswagen CC, and 2009 Volkswagen CC. However, it is still accessible from the selected car via links, so may be relevant.
Wiper Motor Control Module -J400- is equipped with On Board Diagnostics (OBD) which assists troubleshooting.
The "Guided Fault Finding" function is to be used for troubleshooting of the systems as described as in VEHICLE DIAGNOSIS, TESTING AND INFORMATION SYSTEMS .