General

6 diagnostic trouble codes (DTCs) can be stored in audio unit HU 1205. The audio system/navigation system can diagnose both internal and external faults. The following diagnostic trouble codes (DTCs) can be stored: AUM-1000 Memory Control, AUM-2000 CD Servo, AUM-2100 CD Unit, AUM-3000 GPS Receiver, AUM-3100 GPS Antenna, and AUM-6000 Audio Unit. The diagnostic menu must be activated as described in "Diagnostic Menu" in order to read diagnostic trouble codes (DTCs), to carry out other tests, and to change settings.