On Board Diagnostic (OBD), functions
Windshield washer functions are monitored by Vehicle Electrical System Control Module J519 are controlled by an internal microprocessor with On Board Diagnostic (OBD) capability. If malfunctions occur in monitored components, Diagnostic Trouble Codes (DTC) will be stored in memory.
Troubleshoot windshield washer malfunctions by performing OBD program using Vehicle Diagnosis, Testing and Information System VAS 5051/5052 in operating mode "Guided Fault Finding".