Fiat DOBLO 1.6 16v Da 10/2000 – PETROL ENGINES ELECTRONIC MANAGEMENT – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.6 16v Da 10/2000

PETROL ENGINE ELECTRONIC MANAGEMENT - WIRING DIAGRAM Fiat DOBLO 1.6 16v Da 10/2000

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COMPONENTS - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.6 16v Da 10/2000

Component code	Name	Assembly reference
A30	Ignition ''coil
B1	Engine compartment junction unit	-
B1	Engine compartment junction unit
B1	Engine compartment junction unit
B1	Engine compartment junction unit
B2	Junction unit under dashboard	-
B2	Junction unit under dashboard
C15	Facia earth, driver''s side	-
C30	Left rear earth	-
C40	Earth on engine	-
C60	Injection ECU earth	-
D4	Front/engine coupling	-
D36	Rear right door connection	-
D81	Injector junction	-
E50	Instrument panel	-
E50	Instrument panel
I30	Brake pedal switch	-
I50	Inertial switch
K15	Lambda sensor on pre-catalyzer
K17	Lambda sensor on catalyzer
K30	Insufficient engine oil pressure (switch) sensor
K39	Lambda sensor - 2	-
K40	Lambda sensor	-
K43	Integrated air temperature sensor
K45	Engine temperature sensor for i.e.
K46	RPM sensor
K47	Timing sensor	-
K50	Detonation sensor	-
K55	Accelerator pedal potentiometer	-
K56	Throttle position sensor	1056A
K84	Speedometer sensor
L10	Fuel vapour recovery solenoid
M1	Body computer	-
M1	Body computer
M10	Engine management ECU
N40	Fuel pump and sender unit
N70	Injector
N70	Injector
N70	injector
N70	injector
N74	Idle actuator	-
N75	Integrated throttle body actuator

Location of components - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.6 16v Da 10/2000

PETROL ENGINE ELECTRONIC MANAGEMENT - LOCATION OF COMPONENTS Fiat DOBLO 1.6 16v Da 10/2000

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COMPONENTS - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.6 16v Da 10/2000

Component code	Name	Assembly reference
A30	Ignition ''coil
B1	Engine compartment junction unit	-
B1	Engine compartment junction unit
B1	Engine compartment junction unit
B1	Engine compartment junction unit
B2	Junction unit under dashboard	-
B2	Junction unit under dashboard
C15	Facia earth, driver''s side	-
C30	Left rear earth	-
C40	Earth on engine	-
C60	Injection ECU earth	-
D4	Front/engine coupling	-
D36	Rear right door connection	-
D81	Injector junction	-
E50	Instrument panel	-
E50	Instrument panel
I30	Brake pedal switch	-
I50	Inertial switch
K15	Lambda sensor on pre-catalyzer
K17	Lambda sensor on catalyzer
K30	Insufficient engine oil pressure (switch) sensor
K39	Lambda sensor - 2	-
K40	Lambda sensor	-
K43	Integrated air temperature sensor
K45	Engine temperature sensor for i.e.
K46	RPM sensor
K47	Timing sensor	-
K50	Detonation sensor	-
K55	Accelerator pedal potentiometer	-
K56	Throttle position sensor	1056A
K84	Speedometer sensor
L10	Fuel vapour recovery solenoid
M1	Body computer	-
M1	Body computer
M10	Engine management ECU
N40	Fuel pump and sender unit
N70	Injector
N70	Injector
N70	injector
N70	injector
N74	Idle actuator	-
N75	Integrated throttle body actuator

Description - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.6 16v Da 10/2000

An electronic management system supervises and governs all engine parameters. It optimises performance and fuel consumption by responding in real time to different service conditions.The system is managed by a single control unit which controls both the ignition and the injection.The system uses signals received from numerous sensors to control actuators. It is connected to the following systems:fuel supply;air supply system;engine cooling;exhaust with catalytic converter;fuel vapour recirculation.This version of the system also includes the EOBD (European On Board Diagnosis) system - conforming to Directive 98/69/CE (EURO 3) - permits continuous diagnosis of the components - associated with emissions, and by the warning light coming on, indicates any deterioration of these components.Among other things, the system diagnoses:the catalytic converter, which in the case of a malfunction does not convert the pollutants produced by the engine;the Lambda sensors (oxygen sensors);the lack of combustion, so unburnt fuel reaches the catalyzer where the thermal conversion reactions cause a sudden increase in temperature, damaging the catalyzer.This autodiagnostic system also produces a signal for switching on the (amber yellow) ''injection/EOBD failure'' warning light in the instrument panel.The system is also controlled by means of a relay located in the junction unit in the engine compartment. The supply lines for the engnie management control unit and the various system components (sensors and actuators) are protected by a special fuse, also located in the above mentioned box.

Functional description - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.6 16v Da 10/2000

The engine control unit M10 monitors and controls the entire electronic ignition and injection system.The control unit M10 is supplied directly by the battery at pin 16 of connector A, via a line protected by fuse F18 of the engine bay control unit B01 .The supply controlled by the ignition (15/54) reaches pins 12 and 29 of connector A of M10 from the line protected by fuse F16 of the engine compartment unit B01 .The main injection relay R9 of B01 controls the entire system: this is energized by two control signals coming from pin 62 of connector A of control unit M10 and then sends power:to the injectors N70 and the coils A30 , via the line protected by fuse F17 of B01 .to the fuel vapour recovery solenoid L10 and the Lambda sensors K15 and K17 and to the speedometer K84 via a line protected by fuse F11 of B01;to the fuel pump N40 via the line protected by fuse F22 of B01 . The pump N40 is earthed via inertia switch I50 . In case of impact, this cuts off the circuit to prevent the danger of fuel delivery.