Inspection Procedure 3: During the conversation with the hands-free system, the voice of other party cannot be heard: Function

During the conversation with the hands-free system, the voice signal of other party is transmitted from the cellular phone to the hands-free module. Then, the signal is transmitted from the hands-free module to the radio and CD changer < vehicles without MMCS > or audio visual navigation unit < vehicles with MMCS >, and then output from the speaker.