8001 External Harman Amplifier

8001 Harman External Amplifier

Supply voltage

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 if the operating buttons are actuated for longer than 1 minute.

Possible cause of fault
- Battery voltage too low < 9 V for > 30 sec
- Battery voltage too high > 16 V for > 30 sec
- Check battery
- Check fuses

Affected pins







Control module amplifier plug A, pin 9 and pin 10


Diagnosis/troubleshooting

Diagnosis/troubleshooting: