8002 Navigation

8002 Navigation

Internal communication error - PCM2 Navigation

Diagnostic conditions
- Ignition on
- PCM2 on

NOTE:
- Fault code 8003 is recorded in the PCM2 MMI if the operating buttons are actuated for one or more minutes.
- Deactivate the automatic traffic announcement before performing the diagnosis on the PCM2. If this is not done, the diagnosis will abort.

Possible cause of fault
- Navigation unit faulty

NOTE:
- The MOST optical waveguide is connected to the following control units:
- PCM2
- CD changer
- Amplifier
- Telephone/telematics

Affected pins

Diagnosis/troubleshooting on the PCM2 navigation unit

Diagnosis/troubleshooting On The PCM2 Navigation Unit: