OVERVIEW OF AUDIO COMPONENTS
Fig. 1: Overview Of Audio Components (1 Of 2)
Speaker (in dashboard)
Central Information Display (CID)
DVD changer
DVD player, rear console
Aerial diversity
Speake
IMPORTANT: Risk of damage!
There is a hard disk installed in the head unit.
Carry out mechanical work on the head unit and adjacent components with
care.
Avoid subjecting the head unit to vibration/
Necessary preliminary work:
Remove SWITCH FOR FRONT PASSENGER AIRBAG DEACTIVATION
NOTE: Open glove box
Disconnect plug connection (1).
Unlock retaining clips (2) on left/right.
Press out USB interface connecting socket (3) in direction of arrow.
Installation note:
Retaining clips (2) must not
Troubleshooting
Fault in fuel injection system
Spark plug faults
Ignition coil faults
Further fault patterns with evaluation
Additional fault notes for troubleshooting
Oscillograms
Normal oscillogram
Oscillograms of ignition coils from different manufacturers
Check
Secondary signal for