8009 External BOSE Amplifier
8009 External Bose Amplifier
Incorrect coding/programming
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
- Open circuit, contact resistance, or short circuit to B+/ground in the wiring harness
- Loudspeaker faulty
- Amplifier faulty
Diagnosis/troubleshooting - BOSE
800A External BOSE Amplifier
800A External BOSE Amplifier
Microphone Signal Faulty
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
- No signal is emitted from the microphone
Affected pin
Amplifier control module, plug B, pins 1 and 10
Diagnosis/Troubleshooting