9603 Telephone/Telematics

9603 Telephone/Telematics

Fault In External Telephone Handset (Optional)

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
- No entry in the configuration file
- Short circuit/open circuit in electrical lead

NOTE:
The MOST optical waveguide is connected to the following control modules:
- PCM2
- External amplifier
- CD changer
- Telephone/telematics


Diagnosis/Troubleshooting

Work Instruction 1 - 5:

Work Instruction 6 - 16:

Work Instruction 17 - 27:

Work Instruction 28 - 6: