2751118 - N15 CD CHANGER NOT WORKING

The CD-Changer is supplied and operated directly by the radio module.
Results of the tests
0PRELIMINARY CHECKAll OKProblems metOperation
Check that the fault does not stem from incorrect use.Check that the buttons are working on versions with controls on the steering wheel.Continue to Step 1CD not correctly positionedRestore the correct position.
Faulty CD holderRestore the operation of the CD holder.
Controls on the steering wheel faulty See table   N70 
1CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
Remove the CD-Changer from its housing. Check for a positive supply at the connector coming from the radio and an earth at the CD-Changer See E3510 RADIO Continue to Step 2No supply (battery positive) and/or earth at the CD-Changer faultyContinue to Step 3
2CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
With the CD-Changer removed from its housing. Check for signals, at the radio connector, enabling the reading of the music discs in the CD Changer. See E3510 RADIO See Test   5580PH  Check operation of CD- Changer module and radio module Continue to Step 4No signals enabling reading of music discs in the CD-Changer.Continue to Step 3
3CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation

Check the following in order at the disconnected CD-Changer connector:

Continue to Step 6Radio faultyReplace the radio Op.   5570T80 
Wiring between CD Changer and radio faulty. Renew the electrical connection. See E3510 RADIO
CD Changer faulty.Replace the CD-Changer Op. 5570T84
4CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
With the radio removed from its housing. Check for audio signals, at the radio connector, coming from the CD Changer. See Test   5580PH  Check operation of CD- Changer module and radio module Continue to Step 6No audio signals from the CD Changer. Continue to Step 5
5CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation

Check the following, in order, with the CD-Changer disconnected:

  • Continuity/insulation of the wiring between the radio and the Cd Changer.
  • presence of music disc audio signals See E3510 RADIO
Continue to Step 6CD Changer faulty.Replace the CD-Changer Op. 5570T85
Wiring between CD Changer and radio faulty.Renew the electrical connections See E3510 RADIO
6Continue as instructed by the testerAll OKProblems metOperation
Check that the fault is no longer present End of diagnosisFault persists Replace the radio Op.   5570T80