199002622 - N062 THE TELEPHONE MICROPHONE DOES NOT WORK

With the telephone activated, the voice of the other speaker is heard, but they cannot hear the speaker in the vehicle.This table does not consider faults due to the service provider or phone malfunctions
The following telephones are enabled to operate with the Bluetooth system and are supported by the system on the vehicle:- Audiovox®: SMT 5600 (Orange™ C500)*- Motorola®: Mpx220**, V3 Razr*, V525*, V600*, V635- Nokia®: 3230, 6230, 6230i, 6600†, 6620, 6820, 7610, 9500 Communicator*- Sony Ericsson®: k700i, k750i, P910a, S710a, T610**, T630**, T637**, 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
1ELECTRICAL CIRCUIT CHECKAll OKProblems encounteredOperation
Check the continuity and the insulation of the electrical circuit between the microphone and the Bluetooth control unit    See E3570 INTEGRATED RADIO PHONEMove on to Step 2Electrical connections faultyRestore the correct connections
2MICROPHONE NO LOAD VOLTAGE CHECKAll OKProblems encounteredOperation
Check the no load voltage value at the microphoneEnd of diagnosis1. No load voltage between 3 and 8 V2. Voltage outside of the previous range1. Replace the microphone2. Replace the Bluetooth® control unit    Op. 5570T49 BLUETOOTH ELECTRONIC CONTROL UNIT - R.R.