8009 External Harman Amplifier

8009 Harman External Amplifier

Coding

Diagnostic conditions
- Ignition on
- PCM2/CDR23 on

NOTE: Fault code 8003 is recorded in the PCM2 MMI 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
- Coding missing or faulty

Affected pins
- none

Harman Diagnosis/Troubleshooting

Work Instruction 1: