8002 Navigation

8002 Navigation

Internal Communication Error

Diagnostic conditions
- Ignition on
- PCM2 on
- Navigation 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 module faulty

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


Diagnosis/Troubleshooting On The PCM2 Navigation Module

Work Instruction 1 - 2: