| 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 aerial Op. 5570T61 MULTI-FUNCTION AERIAL - R R |
| 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 RADIOIf 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 |
| 3 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | End of diagnosis | | |