Diagnostic Procedures

Final Check





- Clear the diagnostic trouble codes in all systems.

Carry out a functionality test.





- Insert a fault-free CD changer magazine with a fault-free CD.

Evaluate the functionality check.





- Obtain readouts of diagnostic trouble codes.

Is the function correct?

NO - Refer to "Before changing a control module" at Fault Diagnosis, General. Before Changing A Control Module

YES - The steps taken to rectify the fault were correct.