Test step 9 (Signal for washer-wiper system, connection to windshield defroster control module -J505-):

Fig 1: Test Step 9 (Signal For Washer-Wiper System, Connection To Windshield Defroster Control Module -J505-) - M.Y. 2000 & Up Vehicles

Courtesy of AUDI OF AMERICA, INC.

NOTE: Function of windshield defroster. See DISPLAY GROUP 019: LEFT HEAT REGULATING VALVE -N175- AND RIGHT -N176-; PUMP FOR COOLANT RECIRCULATION -V50- AND ACTIVATION OF WINDSHIELD DEFROSTER  and WINDSHIELD DEFROSTER  .