| 0 | PRELIMINARY CHECK | All OK | Problems encountered | Operation |
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| Check that the customer''s telephone is one of those supported by the system on the vehicle listed above. | Move on to Step 3 | The customer''s telephone is not compatible with the system. | Move on to Step 1 |
| 1 | UPDATE AVAILABILITY CHECK | All OK | Problems encountered | Operation |
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| Check whether there are Service News containing an update that makes the telephone and the system compatible. | Move on to Step 2 | There are no updates to make the telephone and system compatible. | The problem cannot be solved through the incompatibility of the telephone with the vehicle system. |
| 2 | SOFTWARE UPDATE | All OK | Problems encountered | Operation |
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| Carry out the software updating procedure, as described in the repair manual, by inserting the USB pen in the USB port on the vehicle and check that the fault disappears. | End of diagnosis. | The fault persists even after the update. | Move on to Step 3 |
| 3 | BLUETOOTH OPERATION CHECK | All OK | Problems encountered | Operation |
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| Check whether the telephone is cable of connecting via Bluetooth to other systems such as other mobile phones, earphone systems or computers. | Move on to Step 6 | The telephone is not capable of dialogue even with other Bluetooth systems. | Move on to Step 4 |
| 4 | TELEPHONE BLUETOOTH ACTIVATION CHECK | All OK | Problems encountered | Operation |
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| Check that the Bluetooth operation has been activated at the telephone: if there are doubts, consult the mobile phone manual to identify the Bluetooth function status. | Move on to Step 5 | The Bluetooth function on the telephone is not activated. | Activate the Bluetooth function: if there are doubts, consult the mobile phone manual to carry out the activation. |
| 5 | SYSTEM RECOGNITION ACTIVATION | All OK | Problems encountered | Operation |
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| Carry out the system recognition procedure. | The system asks for an activation code to be entered. |
Follow the instructions in the Owner''s Handbook for the vehicle | End of diagnosis. | The outcome of the recognition procedure is not successful. | Move on to Step 6. |
| 6 | CHECK CAN LINE | All OK | Problems encountered | Operation |
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| Check, using the diagnostic equipment, that there are no errors on the CAN line. | Move on to Step 7 | Errors present. | Continue as instructed by the diagnostic equipment. |
| 7 | ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
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| Check the continuity and insulation of the electrical circuit between the buttons, Convergence control unit and radio See E3570 INTEGRATED RADIO PHONEAlso check that the connectors for the control unit and the radio are not faulty. | Move on to Step 8 | 1. Electrical connections faulty.2. Call opening/closing buttons faulty.3. Faults in the Convergence control unit connectors.4. Faults in the radio connectors. | 1. Restore the correct connections.2. Replace the buttons.3. Replace the Convergence control unit Op. 5570T49 BLUETOOTH ELECTRONIC CONTROL UNIT - R.R. 4. Replace the radio Op. 5570T80 CAR RADIO EQUIPMENT - R+R |
| 8 | RADIO VOLUME CHECK | All OK | Problems encountered | Operation |
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| Check that the radio volume is not set to 0. | Move on to Step 9 | Radio volume set to 0. | Increase the radio volume. |
| 9 | ACTIVE DIAGNOSIS CHECK | All OK | Problems encountered | Operation |
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| Carry out the audio system test in the Convergence control unit in active diagnosis using the Examiner. | Move on to Step 10 | 1. No sound can be heard coming from the speaker, there is no audio connection between the Convergence control unit and the radio.2. Sound can be heard coming from the speaker. | 1. Move on to Step 102. Replace the control panel complete with microphone. |
| 10 | ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
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| Check the continuity and the insulation of the audio electrical circuit between the radio and the Convergence control unit See E3570 INTEGRATED RADIO PHONE | Move on to Step 11 | 1. Electrical connections between the radio and the bluetooth control unit faulty.2. Bluetooth control unit defective. | 1. Restore the correct connections.2. Replace the Bluetooth control unit Op. 5570T49 BLUETOOTH ELECTRONIC CONTROL UNIT - R.R. |
| 11 | MICROPHONE ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
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| Check the electrical continuity between the microphone and the Bluetooth control unit. | End of diagnosis. | 1. Electrical connections between the microphone and the bluetooth control unit faulty.2. Microphone defective. | 1. Restore the correct connections.2. Replace the centre control panel complete with microphone. |