Windows: Testing and Inspection

On Board Diagnostic (OBD), Function

Rear window control functions are monitored by the Vehicle Electrical System Control Module J519 and Comfort System Central Control Module J393 which have On Board Diagnostic (OBD) capability. If malfunctions occur in monitored components, Diagnostic Trouble Codes (DTC) will be stored in memory.

Troubleshoot rear window control malfunctions by performing OBD program using VAS 5051/5052 Tester in operating mode "Guided Fault Finding".