The radio is incorporated in the info-telematic control unit M065 which is supplied directly (pin A7, connector B) by the battery via the line protected by fuse F39 of the junction unit under the dashboard B002.The control unit receives and transmits B-CAN signals at pins A1 and 3 of connector B, communicating with the Body Computer M001 and the other control units installed on the vehicle. The radio receives the inputs transmitted to pins 3 and 4 of the control unit on the steering wheel M093, via B-CAN signals, with the supply controlled by the ignition (INT) at pin 1 of the line protected by fuse F49 of the junction unit under the dashboard B002. The contact takes place via the clock spring D047.Pre-amplified signals, destined for the audio amplifier P070, are transmitted from connector B, in particular:
pin B1 : pre-amplified output for the right rear speaker positive;
pin B2 : pre-amplified output for the right rear speaker negative;
pin B3 : pre-amplified output for the right front speaker positive;
pin B4 : pre-amplified output for the right front speaker negative;
pin B5 : pre-amplified output for the left front speaker positive;
pin B6 : pre-amplified output for the left front speaker negative;
pin B7 : pre-amplified output for the left rear speaker positive;
pin B8 : pre-amplified output for the left rear speaker negative;
The amplifier (Basic version) P070 is supplied directly by the battery, at pins 1 and 5 of connector B, by the line protected by fuse F54 of the luggage compartment junction unit B045. The shielded cables destined for the front speakers come out of connector B:
pin 9 and 3 of the speakers in the left front door P035 and P045
pins 10 and 4 of the speakers in the right front door P035 and P045
The shielded cables destined for the rear speakers come out of connector A:
pins 3 and 9 of the speaker in the rear parcel shelf P031
pins 1 and 7 of the speakers in the left rear door P040 and P047
pins 2 and 8 of the speakers in the right rear door P041 and P048
The Cd Changer module P075 is supplied directly by the info-telematic control unit M065 which also operates the following:
pin 13: reception serial line from the Cd changer;
pin 14: transmission serial line to the Cd changer;
pin 15: supply (+30) to the Cd changer;
pin 16: Cd changer supply go ahead
pin 17: Gnd for the Cd changer;
pin 18: Cd changer audio reference;
pin 19: Cd changer left audio;
pin 20: Cd changer right audio;
The roof control unit M062 is also supplied at pin 10 connector B.The following cables leave the info-telematic control unit M065, connector G:From the line protected by fuse F39 of the junction unit under the dashboard B002. The inputs from the microphone installed inside the control unit which transmit the voice commands to the info-telematic control unit M065 (pins 17 and 16 of connector A) leave from pins 19 and 9.Pin A5 of connector B of the info telematic control ujnit M065 gives the go ahead for supplying the rearscreen aerial amplifier P025.