| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
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| Check that the volume knob on the Connect is correctly adjusted | Move on to Step 1 | Volume knob turned completely in an anti-clockwise direction | Adjust the volume correctly |
| 1 | ELECTRICAL CHECKS | All OK | Problems encountered | Operation |
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| Check that the speaker connections are correctly connected.If the customer complains of no or poor audio quality, check that the microphone for the hands-free function is working properly.Check that there are no microphone vibrations.Check the operation of the GSM aerial | Move on to Step 2 | - Speaker connections broken
- Microphone not correctly installed
- GSM aerial defective
| - Restore continuity
- Install the microphone correctly
- Replace the aerial Op. 5570T61 ANTENNA MULTIFUNZIONI - S.R.
|
| 2 | CONTROLS ON THE STEERING WHEEL CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the controls on the steering wheel for adjusting the volume which can increase/decrease the audio volume are working properly Vedere Prova 5570TD VERIFICA FUNZIONALITÀ COMANDI AL VOLANTE DA AUTORADIOIf necessary, disconnect the controls on the steering wheel from the Connect and check that the fault disappears See E3510 RADIO | End of diagnosis | Audio volume controls on the sterring wheel defective | Replace the controls on the steering wheel Op. 5570T66 MODULE (ONE) ON STEERING WHEEL FOR RADIO CONTROL - R+R |