Fiat DOBLO 1.6 16v da 12/03 – DIAGNOSTIC MULTIPLE CONNECTOR – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram - DIAGNOSTIC MULTIPLE CONNECTOR - Fiat DOBLO 1.6 16v da 12/03

DIAGNOSTIC MULTIPLE CONNECTOR - WIRING DIAGRAM Fiat DOBLO 1.6 16v da 12/03

COMPONENTS - DIAGNOSTIC MULTIPLE CONNECTOR - Fiat DOBLO 1.6 16v da 12/03

Component code	Name	Assembly reference
B1	Engine compartment junction unit	-
B1	Engine compartment junction unit
B1	Engine compartment junction unit
B2	Junction unit under dashboard
C15	Facia earth, driver''s side	-
D4	Front/engine coupling	-
D4	Front/engine coupling
M1	Body computer
M10	Engine management ECU
M50	ABS control unit
M60	Air Bag control unit

Location of components - DIAGNOSTIC MULTIPLE CONNECTOR - Fiat DOBLO 1.6 16v da 12/03

DIAGNOSTIC MULTIPLE CONNECTOR - LOCATION OF COMPONENTS Fiat DOBLO 1.6 16v da 12/03

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COMPONENTS - DIAGNOSTIC MULTIPLE CONNECTOR - Fiat DOBLO 1.6 16v da 12/03

Component code	Name	Assembly reference
B1	Engine compartment junction unit	-
B1	Engine compartment junction unit
B1	Engine compartment junction unit
B2	Junction unit under dashboard
C15	Facia earth, driver''s side	-
D4	Front/engine coupling	-
D4	Front/engine coupling
M1	Body computer
M10	Engine management ECU
M50	ABS control unit
M60	Air Bag control unit

Description - DIAGNOSTIC MULTIPLE CONNECTOR - Fiat DOBLO 1.6 16v da 12/03

The car is equipped with numerous self-diagnostic electronic control units.When diagnostic equipment is connected to these control units, self-diagnostic data can be read (parameters, errors) or active testing can be carried out.This vehicle is not fitted with a diagnostic socket for each control unit, but the entire system is managed by the body computer and the single diagnostic socket is a connector at the actual body computer.One of the functions of the body computer is to control the operation of all the components in the vehicle, ensuring that they are working perfectly and memorizing any possible errors and/or malfunctions.

Functional description - DIAGNOSTIC MULTIPLE CONNECTOR - Fiat DOBLO 1.6 16v da 12/03

The supply for the body computer M01 is both controlled by the ignition and direct to pin 11 of connector E 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 .Connector B for the body computer represents the interface for connecting the external diagnostic equipment (Examiner).pin 1, for the ABS control unit M50: from pin 7 to pin 16 connector C of the body computer;pin 3, for the Air Bag control unit M60: from pin 10 connector A to pin 12 connector E of the body computer;pin 7, for the engine management control unit M10 (for the 1596 16v BIPOWER version, also for the methane injection control unit M19): from pins 16 connector B (1242 8v), pin 10 connector A (1596 16v), pin 25 connector A of M10 and pin 3 connector A of M19 (BIPOWER), pin 33 (1910 D), pin 88 connector B (1242 JTD), pin 48 connector B (1910 JTD) to pin 20 connector C of the body computer.Pin 16 connector B provides a line (+30 battery) protected by fuse F39 of the junction unit under the dashboard B02.Pins 4 and 5 of connector B and 8 and 9 of connector D represent the earth references.