Workshop Manuals Factory service & repair Fiat
Fiat 500 Factory Service Manual (2007-2024)22 · Fault diagnosis
22 · Diagnostics

Hands-free not working

Make
Fiat
Model
500 Factory Service Manual
Year
2007–2024
Section
Radio and accessories etc.. › Hands-free not working
Fault diagnosisHands-free not working

HANDS-FREE NOT WORKING

1.2 8v, 1.3 Multijet, 1.4 16v · Blue&Me

N.B.: The following telephones are enabled to operate with the Bluetooth system and are supported by the system on the vehicle:

  • Audiovox(r) SMT 5600/Orange(tm) C500 - Motorola(r) Mpx220** Motorola V3 Razr* Motorola V525* Motorola V600* Motorola V635 Nokia(r) 3230 Nokia 6230
  • Nokia 6230i Nokia 6600† Nokia 6620 Nokia 6820 Nokia 7610 Nokia 9500 Communicator* Sony-Ericsson(r) k700i Sony-Ericsson k750i Sony-Ericsson P910a
  • Sony-Ericsson S710a Sony-Ericsson T610** Sony-Ericsson T630** Sony-Ericsson T637** Sony-Ericsson Z600**
  • * The system is not currently able to support a GPRS connection (General Packet Radio Services) when it is connected to this mobile phone.
  • ** The system is not currently able to support a hands-free system when it is connected to this mobile phone.
  • † The system is not currently able to support call waiting when it is connected to this mobile phone.
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Check that the volume of the telephone channel in the radio is not set to zero.Move on to Step 1The volume is set to zeroSet it to a sufficiently high volume that can be heard.
1CAN CHECKSAll OKProblems encounteredOperation

Connect an EXAMINER and check the following on CAN NETWORK INFORMATION:

  • No faulty control units
  • No control units with faulty CAN line
Move on to Step 2

1. Faulty control units present

2. CAN failure

1. Continue as instructed by the diagnostic equipment

2. Restore CAN

2TELEPHONES SUPPORTED CHECKSAll OKProblems encounteredOperation

Check that the customer''s telephone is one of those supported by the system on the vehicle listed above.

Also check whether the switching takes place at all or if it is just slow.

Move on to Step 2

1. The customer''s telephone is not compatible with the system

2. The switchover is very slow

3. The switchover does not take place at all

1. Move on to Step 3

2. A slow switchover is due to the order in which the system recognition has been carried out. If you wish this telephone to be the first one, move on to Step 7

3. Move on to Step 2

3BLUETOOTH CONTROL UNIT REPLACEMENTAll OKProblems encounteredOperation

The system supplier constantly tests the software to check whether new telephones can be supported by the current system.

If the answer is yes, this information will be supplied in a Service News.

Update the software on a periodic basis; a more updated version that supports the Customer''s telephone may be available from the Parts Dept. In this case, this information will be supplied in a Service News.

If this takes place, replace the Bluetooth control unit and check that the fault disappears.

Replacing a control unit to update the software is not a defect that is down to the vehicle and is not therefore covered under the warranty. The expenses are the responsibility of the Customer

End of diagnosis

1. According to the instructions in the Service News, the telephone is compatible with the system

2. There are no updates to make the telephone and system compatible

3. The fault persists even after the update

1. Move on to Step 4

2. The problem cannot be solved through the incompatibility of the telephone with the vehicle system

3. Move on to Step 4

4BLUETOOTH OPERATION CHECKAll OKProblems encounteredOperation
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 5The telephone is not capable of dialogue even with other Bluetooth systemsMove on to Step 3
5BLUETOOTH ACTIVATION CHECKAll OKProblems encounteredOperation
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 statusMove on to Step 6The Bluetooth function is not activatedActivate the Bluetooth function: if there are doubts, consult the mobile phone manual to carry out the activation.
6SYSTEM AUTHORIZATION CHECKAll OKProblems encounteredOperation
Check that the system on the vehicle has been authorized for automatic connection to the telephoneMove on to Step 7The system on the vehicle is not authorized for automatic connectionActivate the connection at the radio in the hands-free telephone menu.
7SYSTEM RECOGNITION ACTIVATIONAll OKProblems encounteredOperation

Carry out the system recognition procedure for the telephone: if there are doubts, consult the mobile phone manual to carry out the system recognition. Make sure that the procedure has been successful and the fault has disappeared

The system asks the telephone to enter an activation code. It can be found in the vehicle Owner''s Handbook.

End of diagnosis

1. The outcome of the recognition procedure is not successful

2. The recognition procedure is successful, but the fault persists

1. Move on to Step 8

2. Move on to Step 9

8DELETING TELEPHONES RECOGNIZED BY THE SYSTEMAll OKProblems encounteredOperation
Delete the telephones recognized by the telephone systemEnd of diagnosisThe outcome of the deletion procedure is not successfulMove on to Step 9
9ELECTRICAL CIRCUIT CHECKAll OKProblems encounteredOperation

Check the continuity and insulation of the electrical circuit between the steering wheel button and the Body Computer

See E3570 INTEGRATED RADIO PHONE

End of diagnosis

1. Electrical connections faulty

2. Call opening/closing button faulty

1. Restore the correct connections

2. Replace the controls on the steering wheel

Op. 5570T66 MODULE (ONE) ON STEERING WHEEL FOR RADIO CONTROL - R+R

Parts & tools for this job For 2007 Fiat 500

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