8001 CD Changer

8001 CDC

CD Changer Faulty

Diagnostic conditions
- Ignition on
- PCM2/CDR23 ON

NOTE:
- The fault memory status (present/not present) is always updated when the motor is running.
- Fault code 8003 is recorded in the PCM2 MMI/CDR23 if the operating buttons are actuated for longer than '≥ 1 minute'.
- 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
- Battery voltage too low '< 9 V for > 30 sec'
- Battery voltage too high '> 16 V for > 30 sec'
- Check fuses
- Check battery

NOTE:
The MOST optical wave guide is connected to the following control modules:
- PCM2
- CD changer
- Amplifier
- Telephone/telematics

Affected pins
CD changer, plug A, pins 1 and 2







Diagnosis/Troubleshooting

Work Instruction 1 - 5: