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

Work Instruction 1 - 4: