Component Tests and General Diagnostics
On Board Diagnostic, Function
Exterior mirror lamp functions are monitored by Comfort System Central Control Module J393 which has On Board Diagnostic (OBD) capability. If malfunctions occur in monitored components, Diagnostic Trouble Codes (DTC) will be stored in memory.
In addition, the Troubleshoot exterior mirror lamp system malfunctions by performing OBD program using VAS 5051/5052 Tester in operating mode "Guided Fault Finding".