RADIO - Functional description

3-door, 5-door

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99.

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

Connector B sends out cables carrying signals to the speakers:

• pins 5 and 6 to left front loudspeakers P35 and P45,
• pins 3 and 4 to right front loudspeakers P35 and P46,
• pins 7 and 8 to left rear loudspeakers P30 and P47,
• pins 1 and 2 to right rear loudspeakers P31 and P48,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

3-door, 5-door, Right-hand drive

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99.

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

Connector B sends out cables carrying signals to the speakers:

• pins 3 and 4 to the left front speakers P35 and P45;
• pins 5 and 6 to the right front speakers P36 and P46,
• pins 7 and 8 to left rear loudspeakers P30 and P47,
• pins 1 and 2 to right rear loudspeakers P31 and P48,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

04/01 to 06/02, up to 03/01 · BOSE system

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99. Another specific supply reaches pin 2 of connector A, to indicate the presence of the Bose Hi Fi system.

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

The cables with the signals to the loudspeakers com out of connector B; these signals are sent to the amplifier BOSE P70, which controls the loudspeakers:

• pins 5 and 6 to the left front loudspeaker P35,
• pins 3 and 4 to the right front loudspeaker P36,
• pins 7 and 8 to the left rear loudspeaker P30,
• pins 1 and 2 to the right rear loudspeaker P31,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

The amplifier P70 is supplied directly from the battery - to pins 12 and 13 via the line of fuse F1 of B1 and the specific fuses F61 and F62 of the additional fusebox B98.

It is then connected - pin 25 - with a specific line to the radio P20 - pin 6 of connector C - which sends the signal to switch on the amplifier.

Pins 11 and 24 to earth.

The other signals coming from the BOSE amplifier P70 control, as described above, the loudspeakers of the basic system. In addition, the signals which control the rear subwoofer P49 emerge from pins 1-2 and 14-15.

04/01 to 06/02, up to 03/01 · BOSE system, Right-hand drive

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99. Another specific supply reaches pin 2 of connector A, to indicate the presence of the Bose Hi Fi system.

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

The cables with the signals to the loudspeakers com out of connector B; these signals are sent to the amplifier BOSE P70, which controls the loudspeakers:

• pins 3 and 4 to the left front speaker P35;
• pins 5 and 6 to the left front loudspeaker P35,
• pins 7 and 8 to the left rear loudspeaker P30,
• pins 1 and 2 to the right rear loudspeaker P31,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

The amplifier P70 is supplied directly from the battery - to pins 12 and 13 via the line of fuse F1 of B1 and the specific fuses F61 and F62 of the additional fusebox B98.

It is then connected - pin 25 - with a specific line to the radio P20 - pin 6 of connector C - which sends the signal to switch on the amplifier.

Pins 11 and 24 to earth.

The other signals coming from the BOSE amplifier P70 control, as described above, the loudspeakers of the basic system.

In addition, the signals which control the rear subwoofer P49 emerge from pins 1-2 and 14-15.

03/03 to 09/03, 07/02 to 02/03, 10/03 to 01/04, from 02/04 · 3-door

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99.

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B2 of maxifuse CPL1 of B5.

Functional description

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

Connector B sends out cables carrying signals to the speakers:

• pins 5 and 6 to left front loudspeakers P35 and P45,
• pins 3 and 4 to right front loudspeakers P35 and P46,
• pins 7 and 8 to left rear loudspeakers P30 and P47,
• pins 1 and 2 to right rear loudspeakers P31 and P48,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

from 02/04 · BOSE system

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99.

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the junction unit under the dashboard B2 of maxifuse CPL1 of B5.

Functional description

Another specific supply reaches pin 2 of connector A, to indicate the presence of the Bose Hi Fi system.

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

The cables with the signals to the loudspeakers com out of connector B; these signals are sent to the amplifier BOSE P70, which controls the loudspeakers:

• pins 5 and 6 to the left front loudspeaker P35,
• pins 3 and 4 to the right front loudspeaker P36,
• pins 7 and 8 to the left rear loudspeaker P30,
• pins 1 and 2 to the right rear loudspeaker P31,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

The amplifier P70 is supplied directly from the battery at pin H of connector B through the line of fuse F2 of B1 and specific fuse F61 of the additional fuse box B98.

It is then connected - from pin B11 of connector A - withh a specific line to the radio P20 - pin 6 of connector C - which sends the signal to switch on the actual amplifier.

Functional description

On the 5 door version, pin B1 of connector A of P70 also receives the enablement signal (in this way the amplifier is informed of the version of the vehicle on which it is installed).

Functional description

Pin A of connector B of P70 is earthed.

The other signals coming from the BOSE amplifier P70 control, as described above, the loudspeakers of the basic system. In addition, the signals that control the rear subwoofer P49 leave from pins F-C and G-B of connector B of P70.

from 02/04 · BOSE system, Right-hand drive

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99.

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the junction unit under the dashboard B2 of maxifuse CPL1 of B5.

Functional description

Another specific supply reaches pin 2 of connector A, to indicate the presence of the Bose Hi Fi system.

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

The cables with the signals to the loudspeakers com out of connector B; these signals are sent to the amplifier BOSE P70, which controls the loudspeakers:

• pins 3 and 4 to the left front speaker P35;
• pins 5 and 6 to the left front loudspeaker P35,
• pins 7 and 8 to the left rear loudspeaker P30,
• pins 1 and 2 to the right rear loudspeaker P31,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

The amplifier P70 is supplied directly from the battery - at pin H of connector B through the line of fuse F2 of B1 and specific fuse F61 of the additional fuse box B98.

It is then connected - from pin B11 of connector A - with a specific line to the radio P20 - pin 6 of connector C - which sends the signal to switch on the amplifier.

Functional description

On the 5 door version pin B1 of connector A of P70 also receives the enablement signal (in this way the amplifier is informed of the version of the vehicle on which it is installed).

Functional description

Pin A of connector B of P70 is earthed.

The other signals coming from the BOSE amplifier P70 control, as described above, the loudspeakers of the basic system. In addition, the signals that control the rear subwoofer P49 leave from pins F-C and G-B of connector B of P70.

03/03 to 09/03, 07/02 to 02/03, 10/03 to 01/04, from 02/04 · 3-door, Right-hand drive

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99.

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the junction unit under the dashboard B2 of maxifuse CPL1 of B5.

Functional description

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

Connector B sends out cables carrying signals to the speakers:

• pins 3 and 4 to the left front speakers P35 and P45;
• pins 5 and 6 to the right front speakers P36 and P46,
• pins 7 and 8 to left rear loudspeakers P30 and P47,
• pins 1 and 2 to right rear loudspeakers P31 and P48,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

03/03 to 09/03, 07/02 to 02/03, 10/03 to 01/04 · BOSE system

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99.

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B2 of maxifuse CPL1 of B5.

Functional description

Another specific supply reaches pin 2 of connector A, to indicate the presence of the Bose Hi Fi system.

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

The cables with the signals to the loudspeakers com out of connector B; these signals are sent to the amplifier BOSE P70, which controls the loudspeakers:

• pins 5 and 6 to the left front loudspeaker P35,
• pins 3 and 4 to the right front loudspeaker P36,
• pins 7 and 8 to the left rear loudspeaker P30,
• pins 1 and 2 to the right rear loudspeaker P31,

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

The amplifier P70 is supplied directly from the battery - to pins 12 and 13 via the line of fuse F1 of B1 and the specific fuses F61 and F62 of the additional fusebox B98.

It is then connected - pin 25 - with a specific line to the radio P20 - pin 6 of connector C - which sends the signal to switch on the amplifier.

Pins 11 and 24 to earth.

The other signals coming from the BOSE amplifier P70 control, as described above, the loudspeakers of the basic system. In addition, the signals which control the rear subwoofer P49 emerge from pins 1-2 and 14-15.

03/03 to 09/03, 07/02 to 02/03, 10/03 to 01/04 · BOSE system, Right-hand drive

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the unit under the dashboard B1 and the maxifuse CPL of B99.

Functional description

The radio P20 is supplied directly (7 of connector A) from the battery via the line of fuse F39 of the junction unit under the dashboard B2 of maxifuse CPL1 of B5.

Functional description

Another specific supply reaches pin 2 of connector A, to indicate the presence of the Bose Hi Fi system.

The supply to the side lights on reaches pin 4 of connector A See E2530 INSTRUMENT LIGHTING.

Pins 1 and 3 of connector A receive the CAN line with which the radio P20 is connected to the Body Computer M1 and the other nodes of the system.

Pin 8 of connector A is earthed.

The aerial P25 is supplied from pin 5 of connector A. The aerial is connected to the radio also via the specific coaxial cable.

The cables with the signals to the loudspeakers com out of connector B; these signals are sent to the amplifier BOSE P70, which controls the loudspeakers:

• pins 3 and 4 to the left front speaker P35;
• pins 5 and 6 to the left front loudspeaker P35,
• pins 7 and 8 to the left rear loudspeaker P30,
• pins 1 and 2 to the right rear loudspeaker P31,

The amplifier P70 is supplied directly from the battery - to pins 12 and 13 via the line of fuse F1 of B1 and the specific fuses F61 and F62 of the additional fusebox B98.

Pins 10 and 11 of connector C are connected to the radio controls on the steering wheel: the connection is via the clock spring D47; the device which controls the control buttons receives a supply controlled by the ignition (INT) from the line protected by the fuse F51 of the unit under the dashboard B2, while the reference earth arrives from pin 12 of connector C of P20.

It is then connected - pin 25 - with a specific line to the radio P20 - pin 6 of connector C - which sends the signal to switch on the amplifier.

Pins 11 and 24 to earth.

The other signals coming from the BOSE amplifier P70 control, as described above, the loudspeakers of the basic system.

In addition, the signals which control the rear subwoofer P49 emerge from pins 1-2 and 14-15.