8001 External BOSE Amplifier

8001 External BOSE Amplifier

Supply voltage

Diagnostic conditions
- Ignition on
- PCM2/CDR23 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
- Battery positive voltage too low < 9 V for > 20 sec
- Battery positive voltage too high > 16 V for > 5 sec.
- Fuse faulty.
- Check battery.
- Generator regulator faulty
- Generator faulty

Affected pin







PCM2 plug A, pin 1, pin 2

Battery voltage too low

Diagnosis/troubleshooting

Battery Voltage Too Low - Diagnosis/troubleshooting:

Battery voltage too high

Diagnosis/troubleshooting

Battery Voltage Too High - Diagnosis/troubleshooting: