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

Code - functional description

Make
Fiat
Model
Doblò Factory Service Manual
Year
2000–2010
Section
Vehicle electronic systems › Code - functional description
Wiring diagrams and electrical functionsCode - functional description

CODE - 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

Functional description

The supply for the body computer M01 is both controlled by the ignition and direct to pin 11 of connector E (INT) and pin A of connector C of the junction unit under the dashboard B02.

There is a protective fuse F1 for the direct supply located in the engine compartment junction unit B01.

These lines also supply the instrument panel and split inside the junction unit under the dashboard B02 (MAXIFUSE). The lines are protected by fuses F37 and F53.

Pins 8 and 9 connector D of the body computer M01 are connected to earth. This reference signal is also supplied to the panel via pin 36 of the body computer.

Pins 4 and 5 of connector C of the body computer M01 are connected by two cables to the aerial P91, fitted coaxially on the ignition switch, in order to detect the insertion and the rotation of a key with a transponder.

The body computer M01 communicates with the engine management control unit M10 via pins 36 and 37 (CAN line) connector C of the body computer and pins 20 and 29 of connector B of the engine management control unit. The recognition of the key and the exchange of codes takes place through this line.

The autdiagnostic system also produces the signal for the ''CODE failure'' warning light, located in the instrument E50 entering at pins 4 and 3 of connector A.

1.2 8v · from 12/03

Functional description

The supply for the body computer M01 is both controlled by the ignition and direct to pin 11 of connector E (INT) and pin A of connector C of the junction unit under the dashboard B02.

There is a protective fuse F1 for the direct supply located in the engine compartment junction unit B01.

These lines also supply the instrument panel and split inside the junction unit under the dashboard B02 (MAXIFUSE). The lines are protected by fuses F37 and F53.

Pins 8 and 9 connector D of the body computer M01 are connected to earth. This reference signal is also supplied to the panel via pin 36 of connector F of the body computer.

Pins 4 and 5 of connector C of the body computer M01 are connected by two cables to the aerial P91, fitted coaxially on the ignition switch, in order to detect the insertion and the rotation of a key with a transponder.

The body computer M01 communicates with the engine management control unit M10 via pins 36 and 37 (CAN line) connector C of the body computer and pins 20 and 29 of connector B of the engine management control unit. The recognition of the key and the exchange of codes takes place through this line.

The engine management control unit M10 sends a diagnostic signal (K line) from pin 16 connector B to pin 20 connector C of the body computer.

The diagnostic line is connected to pin 7 connector B of the body computer M01.

The autodiagnotic system also produces a signal for displaying the ''EOBD and engine management system failure'' and ''vehicle protection system failure'' warning lights located in instrument E50 at the intake for pins 8 and 9 connector A.

1.6 16v · from 12/03 · BIPOWER

Functional description

The supply for the body computer M01 is both controlled by the ignition and direct to pin 11 of connector E (INT) and pin A of connector C of the junction unit under the dashboard B02.

There is a protective fuse F1 for the direct supply located in the engine compartment junction unit B01.

These lines also supply the instrument panel and split inside the junction unit under the dashboard B02 (MAXIFUSE). The lines are protected by fuses F37 and F53.

Pins 8 and 9 connector D of the body computer M01 are connected to earth. This reference signal is also supplied to the panel via pin 36 of connector F of the body computer.

Pins 4 and 5 of connector C of the body computer M01 are connected by two cables to the aerial P91, fitted coaxially on the ignition switch, in order to detect the insertion and the rotation of a key with a transponder.

The body computer M01 communicates with the engine management control unit M10 via pins 36 and 37 (CAN line) connector C of the body computer and pins 36 and 52 of connector A of the engine management control unit (for the 1596 16v BIPOWER version, pin 6 and 32 connector A). The recognition of the key and the exchange of codes takes place through this line.

The engine management control unit M10 sends a diagnostic signal (K line) from pin 10 connector A (for the 1596 16v BIPOWER version, pin 25 connector A) to pin 20 connector C of the body computer.

The diagnostic line is connected to pin 7 connector B of the body computer M01.

The autodiagnostic system also produces a signal for the display of the ''EOBD and engine management system failure'' and ''vehicle protection system failure'' warning lights located in the instrument panel E50 at the intake for pins 8 and 9 connector A.

1.3 JTD 16V · from 12/03

Functional description

The supply for the body computer M01 is both controlled by the ignition and direct to pin 11 of connector E (INT) and pin A of connector C of the junction unit under the dashboard B02.

There is a protective fuse F1 for the direct supply located in the engine compartment junction unit B01.

These lines also supply the instrument panel and split inside the junction unit under the dashboard B02 (MAXIFUSE). The lines are protected by fuses F37 and F53.

Pins 8 and 9 connector D of the body computer M01 are connected to earth. This reference signal is also supplied to the panel via pin 36 of connector F of the body computer.

Pins 4 and 5 of connector C of the body computer M01 are connected by two cables to the aerial P91, fitted coaxially on the ignition switch, in order to detect the insertion and the rotation of a key with a transponder.

The body computer M01 communicates with the engine management control unit M10 via pins 36 and 37 (CAN line) connector C of the body computer and pins 58 and 88 of connector B of the engine management control unit. The recognition of the key and the exchange of codes takes place through this line.

The engine management control unit M10 sends a diagnostic signal (K line) from pin 59 connector B to pin 20 connector C of the body computer.

The diagnostic line is connected to pin 7 connector B of the body computer M01.

The autodiagnostic system also produces a signal for the display of the ''EOBD and engine management system failure'' and ''vehicle protection system failure'' warning lights located in the instrument panel E50 at the intake for pins 8 and 9 connector A.

1.9 JTD 8V, 1.9 DIESEL · from 12/03

Functional description

The supply for the body computer M01 is both controlled by the ignition and direct to pin 11 of connector E (INT) and pin A of connector C of the junction unit under the dashboard B02.

There is a protective fuse F1 for the direct supply located in the engine compartment junction unit B01.

These lines also supply the instrument panel and split inside the junction unit under the dashboard B02 (MAXIFUSE). The lines are protected by fuses F37 and F53.

Pins 8 and 9 connector D of the body computer M01 are connected to earth. This reference signal is also supplied to the panel via pin 36 of connector F of the body computer.

Pins 4 and 5 of connector C of the body computer M01 are connected by two cables to the aerial P91, fitted coaxially on the ignition switch, in order to detect the insertion and the rotation of a key with a transponder.

The body computer M01 communicates with the engine management control unit M10 via pins 36 and 37 (CAN line) connector C of the body computer and pins 6 and 7 of connector B of the engine management control unit (for the 1910 D version, pins 1 and 2). The recognition of the key and the exchange of codes takes place through this line.

The engine management control unit M10 sends a diagnostic signal (K line) from pin 48 connector B (for the 1910 D version, pin 33) to pin 20 connector C of the body computer.

The diagnostic line is connected to pin 7 connector B of the body computer M01.

The autodiagnostic system also produces a signal for the display of the ''EOBD and engine management system failure'' and ''vehicle protection system failure'' warning lights located in the instrument panel E50 at the intake for pins 8 and 9 connector A.

1.9 JTD 8V · from 12/03 · MY 2005

The body computer M01 receives a supply controlled by the ignition and a direct supply at pins 11 of connector E (INT) and pin A of connector C of under-dashboard junction unit B02.

The direct power supply is protected by fuse F1 in engine compartment junction unit B01.

These lines also supply the control panel by splitting inside under-dashboard junction unit B02 (MAXIFUSE). These lines are protected by fuses F37 and F53.

Pins 8 and 9 of connector E of the body computer M01 are earthed. This reference signal is also supplied to the panel via pin 36 connector F of the body computer.

Pins 4 and 5 of connector C of body computer M01 are connected by means of two cables to aerial P91 located coaxially on the ignition switch in order to receive an insertion signal from the key fitted with a trasponder.

Body computer M01 communicates with engine management unit M10 via pins 32 and 33 connector C (C-CAN line) and pins 83 and 84 of connector A of engine management unit M10.

The key is recognised and the codes are exchanged via this line.

Engine control unit M10 sends a diagnostic signal (K line) from pin 25 of connector A to pin 20 connector C of the body computer.

Communication between the body computer and the engine control unit takes place via the C-CAN network and via a two-way recovery serial line (line connecting pin 29 connector C of body computer M01 and pin 47 connector A of engine control unit M10), used if the CAN network is faulty.

The diagnostic line is connected to pin 7 connector B of body computer M01.

See E8010 DIAGNOSTIC MULTIPLE CONNECTOR

The self-diagnostic system also generates a signal that can be used to display the vehicle protection system fault warning light located in instrument panel E50 and sent via the B-CAN line to pins 8 and 9 connector A.

1.3 JTD 16V · from 12/03 · MY 2005

The body computer M01 receives a supply controlled by the ignition and a direct supply at pins 11 of connector E (INT) and pin A of connector C of under-dashboard junction unit B02.

The direct power supply is protected by fuse F1 in engine compartment junction unit B01.

These lines also supply the control panel by splitting inside under-dashboard junction unit B02 (MAXIFUSE). These lines are protected by fuses F37 and F53.

Pins 8 and 9 of connector E of the body computer M01 are earthed. This reference signal is also supplied to the panel via pin 36 connector F of the body computer.

Pins 4 and 5 of connector C of body computer M01 are connected by means of two cables to aerial P91 located coaxially on the ignition switch in order to receive an insertion signal from the key fitted with a trasponder.

Body computer M01 communicates with engine management unit M10 via pins 36 and 37 connector C (B-CAN line) and pins 58 and 59 of connector A of engine management unit M10.

The key is recognised and the codes are exchanged via this line.

Engine control unit M10 sends a diagnostic signal (K line) from pin 88 of connector A to pin 20 connector C of the body computer.

The diagnostic line is connected to pin 7 connector B of body computer M01.

See E8010 DIAGNOSTIC MULTIPLE CONNECTOR

The self-diagnostic system also generates a signal that can be used to display the vehicle protection system fault warning light located in instrument panel E50 and sent via the B-CAN line to pins 8 and 9 connector A.

1.4 8v · from 12/03 · MY 2005

The body computer M01 receives a supply controlled by the ignition and a direct supply at pins 11 of connector E (INT) and pin A of connector C of under-dashboard junction unit B02.

The direct power supply is protected by fuse F1 in engine compartment junction unit B01.

These lines also supply the control panel by splitting inside under-dashboard junction unit B02 (MAXIFUSE). These lines are protected by fuses F37 and F53.

Pins 8 and 9 of connector E of the body computer M01 are earthed. This reference signal is also supplied to the panel via pin 36 connector F of the body computer.

Pins 4 and 5 of connector C of body computer M01 are connected by means of two cables to aerial P91 located coaxially on the ignition switch in order to receive an insertion signal from the key fitted with a trasponder.

Body computer M01 communicates with engine management unit M10 via pins 36 and 37 connector C (B-CAN line) and pins 36 and 52 of connector A of engine management unit M10.

The key is recognised and the codes are exchanged via this line.

Engine control unit M10 sends a diagnostic signal (K line) from pin 10 of connector A to pin 20 connector C of the body computer.

The diagnostic line is connected to pin 7 connector B of body computer M01.

See E8010 DIAGNOSTIC MULTIPLE CONNECTOR

The self-diagnostic system also generates a signal that can be used to display the vehicle protection system fault warning light located in instrument panel E50 and sent via the B-CAN line to pins 8 and 9 connector A.

1.6 16v · from 12/03 · BIPOWER, MY 2005

The body computer M01 receives a supply controlled by the ignition and a direct supply at pins 11 of connector E (INT) and pin A of connector C of under-dashboard junction unit B02.

The direct power supply is protected by fuse F1 in engine compartment junction unit B01.

These lines also supply the control panel by splitting inside under-dashboard junction unit B02 (MAXIFUSE). These lines are protected by fuses F37 and F53.

Pins 8 and 9 of connector E of the body computer M01 are earthed. This reference signal is also supplied to the panel via pin 36 connector F of the body computer.

Pins 4 and 5 of connector C of body computer M01 are connected by means of two cables to aerial P91 located coaxially on the ignition switch in order to receive an insertion signal from the key fitted with a trasponder.

Body computer M01 communicates with engine management unit M10 via pins 36 and 37 connector C (B-CAN line) and pins 6 and 32 of connector A of engine management unit M10.

The key is recognised and the codes are exchanged via this line.

Engine control unit M10 sends a diagnostic signal (K line) from pin 25 of connector A to pin 20 connector C of the body computer.

The diagnostic line is connected to pin 7 connector B of body computer M01.

See E8010 DIAGNOSTIC MULTIPLE CONNECTOR

The self-diagnostic system also generates a signal that can be used to display the vehicle protection system fault warning light located in instrument panel E50 and sent via the B-CAN line to pins 4 and 3 connector A.

Parts & tools for this job Staging For 2000 Fiat Doblò

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