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Fiat Doblò Factory Service Manual (2000-2010)19 · Wiring diagrams and electrical functions
19 · Electrical

Radio - functional description

Make
Fiat
Model
Doblò Factory Service Manual
Year
2000–2010
Section
Radio accessories › Radio - functional description
Wiring diagrams and electrical functionsRadio - functional description

RADIO - FUNCTIONAL DESCRIPTION

1.2 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V, 1.9 DIESEL · from 10/2000, up to 10/2000 · Cargo trim level

Functional description

The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20, respectively.

The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02.

Connector B of the radio sends out cables with signals for the following speakers:

  • right front in the dashboard P38 from pins 3 and 4 via the short circuit coupling D97 D;
  • left front in the dashboard P37 from pins 5 and 6 via the short circuit coupling D97 D.

Pin 5 connector A is connected to the aerial amplifier P25, whilst pin 8 connector A is earthed.

The speaker P38 has the twin coil configuration when the preparation for a cell phone is fitted.

The body computer is supplied via pin 11 connector E (supply controlled by the ignition) and pin A connector C (direct supply) of the junction unit B02. There is a protective fuse F1 for the direct supply located in the junction unit B01.

Pins 8 and 9 connector D of the body computer are connected to earth.

1.2 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V, 1.9 DIESEL · from 12/03 · Cargo trim level

Functional description

The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20, respectively.

The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02.

Connector B of the radio sends out cables with signals for the following speakers:

  • right front in the dashboard P38 connector B from pins 3 and 4 via the short circuit coupling D97 D;
  • left front in the dashboard P37 from pins 5 and 6 via the short circuit coupling D97 D.

Pin 5 connector A is connected to the aerial amplifier P25, whilst pin 8 connector A is earthed.

The speaker P38 has the twin coil configuration when the preparation for a cell phone is fitted.

The body computer is supplied via pin 11 connector E (supply controlled by the ignition) and pin A connector C (direct supply) of the junction unit B02. There is a protective fuse F1 for the direct supply located in the junction unit B01.

Pins 8 and 9 connector D of the body computer are connected to earth.

1.2 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V, 1.9 DIESEL · Cargo trim level, Right hand drive

Functional description

The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20, respectively.

The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02.

Connector B of the radio sends out cables with signals for the following speakers:

  • right front in the dashboard P38 connector B from pins 3 and 4 via the short circuit coupling D97 D;
  • left front in the dashboard P37 of connector B from pins 5 and 6 via the short circuit coupling D97 D.

Pin 5 connector A is connected to the aerial amplifier P25, whilst pin 8 connector A is earthed.

The speaker P37 has the twin coil configuration when the preparation for a cell phone is fitted.

The body computer is supplied via pin 11 connector E (supply controlled by the ignition) and pin A connector C (direct supply) of the junction unit B02. There is a protective fuse F1 for the direct supply located in the junction unit B01.

Pins 8 and 9 connector D of the body computer are connected to earth.

1.2 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V, 1.9 DIESEL · from 10/2000, up to 10/2000 · Doblò trim level

Functional description

The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20, respectively.

The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F2 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02.

Connector B of the radio sends out cables with signals for the following speakers:

  • right front in the dashboard P38 and in the door P36 from pins 3 and 4 via the short circuit coupling D97 D;
  • left front in the dashboard P37 and in the door P35 from pins 5 and 6 via the short circuit coupling D97 D;
  • right rear P31 from pins 1 and 2;
  • left rear P30 from pins 7 and 8.

Pin 5 connector A is connected to the aerial amplifier P25, whilst pin 8 connector A is earthed.

The speaker P38 has the twin coil configuration when the preparation for a cell phone is fitted.

The body computer is supplied via pin 11 connector E (supply controlled by the ignition) and pin A connector C (direct supply) of the junction unit B02. There is a protective fuse F1 for the direct supply located in the junction unit B01.

Pins 8 and 9 connector D of the body computer are connected to earth.

1.2 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V, 1.9 DIESEL · from 12/03 · Doblò trim level

Functional description

The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20, respectively.

The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02.

Connector B of the radio sends out cables with signals for the following speakers:

  • right front in the dashboard P38 connector B and in the door P36 from pins 3 and 4 via the short circuit coupling D97 D;
  • left front in the dashboard P37 and in the door P35 from pins 5 and 6 via the short circuit coupling D97 D;
  • right rear P31 from pins 1 and 2;
  • left rear P30 from pins 7 and 8.

Pin 5 connector A is connected to the aerial amplifier P25, whilst pin 8 connector A is earthed.

The speaker P38 has the twin coil configuration when the preparation for a cell phone is fitted.

The body computer is supplied via pin 11 connector E (supply controlled by the ignition) and pin A connector C (direct supply) of the junction unit B02. There is a protective fuse F1 for the direct supply located in the junction unit B01.

Pins 8 and 9 connector D of the body computer are connected to earth.

1.2 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V, 1.9 DIESEL · Doblò trim level, Right hand drive

Functional description

The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20, respectively.

The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02.

Connector B of the radio sends out cables with signals for the following speakers:

  • right front in the dashboard P38 connector B and in the door P36 from pins 3 and 4 via the short circuit coupling D97 B;
  • left front in the dashboard P37 connector B and in the door P35 from pins 5 and 6 via the short circuit coupling D97 D;
  • right rear P31 from pins 1 and 2;
  • left rear P30 from pins 7 and 8.

Pin 5 connector A is connected to the aerial amplifier P25, whilst pin 8 connector A is earthed.

The speaker P37 has the twin coil configuration when the preparation for a cell phone is fitted.

The body computer is supplied via pin 11 connector E (supply controlled by the ignition) and pin A connector C (direct supply) of the junction unit B02. There is a protective fuse F1 for the direct supply located in the junction unit B01.

Pins 8 and 9 connector D of the body computer are connected to earth.

Functional description

The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20, respectively.

The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02.

Connector B of the radio sends out cables with signals for the following speakers:

  • right front in the dashboard P38 and in the door P36 from pins 3 and 4 via the short circuit coupling D97 B;
  • left front in the dashboard P37 connector B and in the door P35 from pins 5 and 6 via the short circuit coupling D97 D;
  • right rear P31 and Subwoofer P92 (pins 2 and 5) from pins 1 and 2 via the short circuiting coupling D 97 E;
  • left rear P30 and subwoofer P92 (pins 1 and 4) from pins 7 and 8, respectively via the short circuiting couplings D97 C and D97 E.

Pin 5 connector A is connected to the aerial amplifier P25 and to the subwoofer (pin 8) via short circuitining coupling D97 D, whilst pin 8 connector A is earthed.

The subwoofer receives a direct supply (pin 3) via the line protected by fuse F36 of the junction unit under the dashboard B02. Pin 7 is earthed.

The speaker P37 has the twin coil configuration when the preparation for a cell phone is fitted.

The body computer is supplied via pin 11 connector E (supply controlled by the ignition) and pin A connector C (direct supply) of the junction unit B02. There is a protective fuse F1 for the direct supply located in the junction unit B01.

Pins 8 and 9 connector D of the body computer are connected to earth.

1.2 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V, 1.9 DIESEL · Doblò trim level

Functional description

The operation of the radio system P20 is controlled by the body computer by the lines leaving pins 5 and 17 connector E of the junction unit B02 and entering at pins 1 and 3 connector A of the radio P20, respectively.

The radio is supplied directly (pin 7 connector A) by the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives a supply controlled by the ignition (INT) (pin 4 connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives the supply from pin 6 connector A for the interior lighting via the line controlled by the body computer M01 and protected bu fuse F51 of junction unit B02.

Connector B of the radio sends out cables with signals for the following speakers:

  • right front in the dashboard P38 connector B and in the door P36 from pins 3 and 4 via the short circuit coupling D97 D;
  • left front in the dashboard P37 and in the door P35 from pins 5 and 6 via the short circuit coupling D97 B;
  • right rear P31 and subwoofer P92 (pins 2 and 5) from pins 1 and 2 via short circuiting coupling D97 E;
  • right rear P30 and subwoofer P92 (pins 1 and 4) from pins 7 and 8, respectively via short circuiting couplings D97 C and D97 E.

Pin 5 connector A is connected to the aerial amplifier P25, and to the subwoofer (pin 8) via short circuiting coupling D97 D, whilst pin 8 connector A is earthed.

The subwoofer receives a direct supply (pin 3) via the line protected by fuse F36 of the junction unit under the dashboard B02. Pin 7 is earthed.

The speaker P38 has the twin coil configuration when the preparation for a cell phone is fitted.

The body computer is supplied via pin 11 connector E (supply controlled by the ignition) and pin A connector C (direct supply) of the junction unit B02. There is a protective fuse F1 for the direct supply located in the junction unit B01.

Pins 8 and 9 connector D of the body computer are connected to earth.

1.4 8v, 1.3 JTD 16V, 1.9 JTD 8V · from 12/03 · HIGH car radio, MY 2005, Right hand drive

Operation of the radio system P20 is controlled by the body computer by lines leaving pins 5 and 17 connector E of junction unit B02 and entering pins 1 and 3 connector A of radio P20.

The radio is supplied directly (pin 7 connector A) from the battery via the line of fuse F1 contained in engine compartment junction unit B01 and protected by fuse F39 of under-dashboard junction unit B02.

Radio P20 receives an ignition-operated power supply (INT) (pin 4 connector a ) via the line of fuse F49 of under-dashboard junction unit B02.

Radio P20 receives at pin 6 of connector A a power supply with side lights on for interior lighting via a line controlled by body computer M01 and protected by fuse F51 of junction unit B02.

Cables carrying signals for the speakers leave connector B:

- right front side on dashboard P38 and door P36 from pins 3 and 4 via short-circuiting junction D97 B;

- left front side on dashboard P37 and door P35 from pins 5 and 6 via short-circuiting junction D97 D;

- rear right P31 and subwoofer P92 (pins 2 and 5) from pins 1 and 2 via short-circuiting junction D97 E;

- left rear P30 and Subwoofer P92 (pins 1 and 4) from pins 7 and 8 respectively via short-circuiting junctions D97 C and D97 E.

Pin 5 connector A is connected to the amplifier of aerial P25 and the subwoofer (pin 8) via short-circuiting junction D97 D, while pin 8 connector A is earthed.

The subwoofer receives a direct power supply (pin 3) via a line protected by fuse F36 of under-dashboard junction unit B02. Pin 7 is earthed.

Speaker P37 assumes a dual coil configuration when the mobile phone wiring is installed.

The body computer is supplied via pin 11 connector E (ignition-operated power supply) and pin A connector C (direct power supply) of junction unit B02.

Fuse F1 in junction unit B01 protects the direct power supply.

Pins 8 and 9 of connector D of the body computer are earthed.

1.4 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V · from 12/03 · HIGH car radio, MY 2005

The operation of the radio system P20 is controlled by the body computer by lines coming out of pins 5 and 17 of connector E of junction unit B02 and entering at pins 1 and 3 connector A of the radio P20 respectively.

The radio receives a direct power supply (pin 7 connector A) from the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives ignition-controlled power (INT) (pin 4 of connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives a power supply at pin 6 connector A with the side lights on for the interior lighting via the line controlled by the body computer M01 and protected by fuse F51 of junction unit B02.

The following cables with signals for the speakers leave connector B of the radio:

- right front in the dashboard P38 and the door P36 from pins 3 and 4 via short circuiting coupling D97 D;

- left front in the dashboard P37 and the door P35 from pins 5 and 6 via short circuiting coupling D97 B;

- right rear P31 and subwoofer P92 (pins 2 and 5) from pins 1 and 2 via short circuiting coupling D97 E;

- left rear P30 and subwoofer P92 (pins 1 and 4) from pins 7 and 8 respectively via short circuiting couplings D97 C and D97 E.

Pin 5 connector A is connected to aerial amplifier P25 and to the subwoofer (pin 8) via the short circuiting coupling D97 D, whilst pin 8 connector A is earthed.

The subwoofer receives a direct power supply (pin 3) via the line protected by fuse F36 of the junction unit under the dashboard B02. Pin 7, on the other hand, is earthed.

Speaker P38 has a double coil configuration when preparation for a mobile phone is installed.

The body computer is supplied via pin 11 connector E (ignition-controlled supply) and pin A connector C (direct supply) of the junction unit B02.

There is a proective fuse F1 for the direct power supply located in the junction unit B01.

Pins 8 and 9 of connector D of the body computer are earthed.

1.4 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V · from 12/03 · Cargo trim level, MY 2005

The operation of ratio system P20 is controlled by the body computer by lines leaving pins 5 and 17 connector E of junction unit B02 and entering pins 1 and 3 of connector A of radio P20.

The radio is supplied directly (pin 7 connector A) by the battery via a line from fuse F1 contained in engine compartment junction unit B01 and protected by fuse 39 in under-dashboard junction unit B02.

Radio P20 receives ignition-controlled power (INT) (pin 4 of connector A) via the line of fuse F49 from under-dashboard junction unit B1.

Radio P20 receives a power supply at pin 6 of connector A with side lights on for interior lighting via a line controlled by body computer M01 and protected by fuse F51 of junction unit B02.

The following cables with signals for the speakers leave radio connector B:

- right front side on dashboard P38 from pins 3 and 4 via short-circuiting junction D97 D;

- left front side on dashboard P37 from pins 5 and 6 via short-circuiting junction D97 B;

Pin 5 connector A is connected to the amplifier of aerial P25 while pin 8 connector A is earthed.

Speaker P38 assumes a dual coil configuration when mobile phone wiring is installed.

1.4 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V · from 12/03 · Cargo trim level, MY 2005, Right hand drive

Operation of the radio system P20 is controlled by the body computer by lines leaving pins 5 and 17 connector E of junction unit B02 and entering pins 1 and 3 connector A of radio P20.

The radio is supplied directly (pin 7 connector A) from the battery via the line of fuse F1 contained in engine compartment junction unit B01 and protected by fuse F39 of under-dashboard junction unit B02.

Radio P20 receives an ignition-operated power supply (INT) (pin 4 connector a ) via the line of fuse F49 of under-dashboard junction unit B02.

Radio P20 receives at pin 6 of connector A a power supply with side lights on for interior lighting via a line controlled by body computer M01 and protected by fuse F51 of junction unit B02.

Cables carrying signals for the speakers leave connector B:

- right front side on dashboard P38 from pins 3 and 4 via short-circuiting junction D97 B;

- left front side on dashboard P37 from pins 5 and 6 via short-circuiting junction D97 D;

Pin 5 connector A is connected to aerial amplifier P25 while pin 8 connector A is connected to earth.

Speaker P37 assumes a dual coil configuration when the mobile phone wiring is installed.

See E3580 PREPARATION FOR CELLULAR TELEPHONE

The body computer is supplied via pin 11 connector E (INT) and pin A connector C (direct power supply) of junction unit B02. Fuse F1 in junction unit B01 protects the direct power supply.

Pins 8 and 9 of connector D of the body computer are earthed.

1.4 8v, 1.6 16v, 1.3 JTD 16V, 1.9 JTD 8V · from 12/03 · Doblò trim level, MY 2005

Operation of the radio system P20 is controlled by the body computer by lines leaving pins 5 and 17 connector E of junction unit B02 and entering pins 1 and 3 connector A of radio P20.

The radio is supplied directly (pin 7 connector A) from the battery via the line of fuse F1 contained in engine compartment junction unit B01 and protected by fuse F39 of under-dashboard junction unit B02.

Radio P20 receives an ignition-operated power supply (INT) (pin 4 connector a ) via the line of fuse F49 of under-dashboard junction unit B02.

Radio P20 receives at pin 6 of connector A a power supply with side lights on for interior lighting via a line controlled by body computer M01 and protected by fuse F51 of junction unit B02.

Cables carrying signals for the speakers leave connector B:

- right front side on dashboard P38 and door P36 from pins 3 and 4 via short-circuiting junction D97 D;

- left front side on dashboard P37 and door P35 from pins 5 and 6 via short-circuiting junction D97 B;

- right rear P31 from pins 1 and 2;

- left rear P30 from pins 7 and 8;

Pin 5 connector A is connected to aerial amplifier P25 while pin 8 connector A is connected to earth.

Speaker P38 assumes a dual coil configuration when mobile phone wiring is installed.

See E3580 PREPARATION FOR CELLULAR TELEPHONE

The body computer is supplied via pin 11 connector E (ignition-operated power supply) and pin A connector C (direct power supply) of junction unit B02. Fuse F1 in junction unit B01 protects the direct power supply.

Pins 8 and 9 of connector D of the body computer are earthed.

1.4 8v, 1.3 JTD 16V, 1.9 JTD 8V · from 12/03 · Doblò trim level, MY 2005, Right hand drive

The operation of the radio system P20 is controlled by the body computer by lines coming out of pins 5 and 17 of connector E of junction unit B02 and entering at pins 1 and 3 connector A of the radio P20 respectively.

The radio receives a direct power supply (pin 7 connector A) from the battery via the line for fuse F1 housed in the engine compartment junction unit B01 and protected by fuse F39 of the junction unit under the dashboard B02.

The radio P20 receives ignition-controlled power (INT) (pin 4 of connector A) via the line for fuse F49 of the junction unit under the dashboard B02.

The radio P20 receives a power supply at pin 6 connector A with the side lights on for the interior lighting via the line controlled by the body computer M01 and protected by fuse F51 of junction unit B02.

The following cables with signals for the speakers leave connector B of the radio:

- right front in the dashboard P38 and the door P36 from pins 3 and 4 via short circuiting coupling D97 B;

- left front in the dashboard P37 and the door P35 from pins 5 and 6 via short circuiting coupling D97 D;

- right rear P31 from pins 1 and 2;

- left rear P30 from pins 7 and 8;

Pin 5 connector A is connected to the aerial amplifier P25, whilst pin 8 connector A is earthed.

Speaker P37 has a double coil configuration when preparation for a mobile phone is installed.

See E3580 PREPARATION FOR CELLULAR TELEPHONE

The body computer is supplied via pin 11 connector E (ignition-controlled supply) and pin A connector C (direct supply) of the junction unit B02. There is a proective fuse F1 for the direct power supply located in the junction unit B01.

Pins 8 and 9 of connector D of the body computer are earthed.

Parts & tools for this job For 2000 Fiat Doblò

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