PCM2/CDR23 - Navigation

8025 Navigation

Data CD cannot be read

Diagnostic conditions
- Ignition on
- PCM2 on
- Navigation active

NOTE:
- Fault code 8003 is recorded in the PCM2 MMI if the operating buttons are actuated for 1 Min.
- 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
- Open circuit in the antenna wiring between GPS antenna and the PCM2
- GPS antenna faulty
- Navigation module faulty
- PCM2 faulty

NOTE:
- The MOST optical waveguide is connected to the following control modules:
- PCM2
- Amplifier optional (Harman or BOSE)
- CD changer optional
- Telephone/telematics optional

Affected pins
- none

Diagnosis/troubleshooting

Work Instruction 1 - 3: