| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| 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 | ACTION |
|---|
| 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 | 1.Speaker connections broken | 1.Restore continuity |
| 2.Microphone not correctly installed | 2.Install the microphone correctly |
| 3.GSM aerial defective. | 3.Replace the GSM aerialOp. 5580M70 |
| 2 | CONTROLS ON THE STEERING WHEEL CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the controls on the steering wheel for adjusting the volume which can increase/decrease the audio volume are working properly see wiring diagram See E3510 RADIO If necessary, disconnect the controls on the steering wheel from the Connect and check that the fault disappears | Move on to Step 3 | Audio volume controls on the sterring wheel defective | Replace the controls on the steering wheel Op. 4110A18 TRIM ON STEERING WHEEL - R.R. |
| 3 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | End of diagnosis | | |