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 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
- 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

Affected terminals

Diagnosis/troubleshooting

Dianosis/troubleshooting (Part 1):

Dianosis/troubleshooting (Part 2):

Dianosis/troubleshooting (Part 3):

Dianosis/troubleshooting (Part 4):

Dianosis/troubleshooting (Part 5):