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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO Wiring diagram - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat STILO 1.2 16v da 01/04
Components - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat STILO 1.2 16v da 01/04
Component code | Name | Assembly reference |
A30 | Ignition coil | |
B2 | Junction unit under dashboard | |
C10 | Front left earth | - |
C15 | Facia earth, driver''s side | - |
C20 | Passenger side dashboard earth | - |
C40 | Earth on engine | - |
C60 | Injection ECU earth | - |
D1 | Front / dashboard coupling | - |
D1 | Front/dashboard coupling | - |
D4 | Front/engine connection | - |
D4 | Front/engine coupling | - |
D24 | Engine coupling/ i.e. | - |
D81 | Injector junction | - |
D97 | Short circuiting coupling | - |
E50 | Instrument panel | |
I30 | Brake pedal switch | - |
I31 | Clutch pedal switch | - |
I50 | Inertia switch | |
K15 | Lambda sensor on pre-catalyzer | |
K17 | Lambda sensor downstream of post-catalyzer | |
K36 | Engine temperature sender unit | |
K43 | Integrated air temperature sensor | |
K46 | Rpm sensor | |
K47 | Timing sensor. | |
L10 | Fuel vapour recovery solenoid | |
M1 | Body computer | |
M10 | Engine management control unit | - |
M10 | Engine management control unit | |
N40 | Fuel pump and sender unit | |
N70 | Injector | |
N75 | Integrated throttle body actuator | |
Location of components - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat STILO 1.2 16v da 01/04
Components - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat STILO 1.2 16v da 01/04
Component code | Name | Assembly reference |
A30 | Ignition coil | |
B2 | Junction unit under dashboard | |
C10 | Front left earth | - |
C15 | Facia earth, driver''s side | - |
C20 | Passenger side dashboard earth | - |
C40 | Earth on engine | - |
C60 | Injection ECU earth | - |
D1 | Front / dashboard coupling | - |
D1 | Front/dashboard coupling | - |
D4 | Front/engine connection | - |
D4 | Front/engine coupling | - |
D24 | Engine coupling/ i.e. | - |
D81 | Injector junction | - |
D97 | Short circuiting coupling | - |
E50 | Instrument panel | |
I30 | Brake pedal switch | - |
I31 | Clutch pedal switch | - |
I50 | Inertia switch | |
K15 | Lambda sensor on pre-catalyzer | |
K17 | Lambda sensor downstream of post-catalyzer | |
K36 | Engine temperature sender unit | |
K43 | Integrated air temperature sensor | |
K46 | Rpm sensor | |
K47 | Timing sensor. | |
L10 | Fuel vapour recovery solenoid | |
M1 | Body computer | |
M10 | Engine management control unit | - |
M10 | Engine management control unit | |
N40 | Fuel pump and sender unit | |
N70 | Injector | |
N75 | Integrated throttle body actuator | |
Description - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat STILO 1.2 16v da 01/04
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:accelerator pedal;engine cooling system;control of combustion - Lambda sensors;control of exhaust with catalytic silencer;fuel vapour recirculation.
The throttle body is also controlled electronically by the control unit; special software in the engine management control unit computes throttle opening; this dispenses with the need for a mechanical connection between the accelerator pedal and the throttle body.Thanks to the electronic management described above, this engine conforms to the latest anti-pollution and continuous control regulations in accordance with the EOBD (European On Board Diagnosis) system; this system allows continuous diagnosis of the car components relating to emissions, and indicates to the user, by switching on the relevant warning light on the instrument panel, any deterioration in these components.For greater detail, see.The system is also controlled by means of special relays located in the engine compartment unit; The supply lines to the control unit and the various system components (sensors and actuators) are protected by special fuses, in the engine compartment unit.
Functional description - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat STILO 1.2 16v da 01/04
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 18 of connector A, via the line protected by fuse F18 of engine bay control unit B1 .The supply controlled by the ignition (15/54) reaches pin 51 of connector A of M10 from the line protected by fuse F16 of the engine compartment unit B1 .The main injection relay T9 of B1 controls the entire system: this is excited by a control signal (earth) received from pin 19 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 F22 of B1 .to the fuel vapour recovery solenoid L10 and the Lambda sensors K15 and K17 via a line protected by fuse F11 of B1to pins 17, 33 and 49 of control unit M10 and sensor K47 , , via the line protected by fuse F17 of B1 ;
The fuel pump relay T10 of B1 is supplied by the line of the fuse F21 of B1 .It is energized by a control signal (earth) from pin 62 of connector A of control unit M10 and supplies power to fuel pump N40 , which is earthed through the inertia switch I50 , which cuts off the circuit in the case of a crash and so prevents the dangerous spilling of fuel.Ignition coil
A30A
A30A
A30A
A30A
A30B
A30B
A30B
A30B
A30C
A30C
A30C
A30C
A30D
A30D
A30D
A30D
A30E
Junction unit under dashboard
B2A
B2A
B2A
B2A
B2B
B2C
B2D
B2D
B2D
B2D
B2E
B2G
B2H
Facia earth, driver's side
C15A
C15B
C15C
C15C
Passenger side dashboard earth
C20
C20
C20
Earth on engine
C40
C40
C40A
C40A
C40B
Front / dashboard coupling
D1
D1
D1
D1
D1
Front/engine connection
D4
D4
D4A
D4A
D4A
D4A
D4A
D4A
D4A
D4A
D4A
D4A
D4B
D4B
D4B
D4B
D4B
D4B
D4B
D4B
D4B
D4B
Engine coupling/ i.e.
D24
D24
D24
D24
Injector junction
D81
D81
D81
D81
Short circuiting coupling
D97A
D97B
D97B
D97B
D97B
D97C
D97C
D97C
D97C
D97D
D97D
D97D
D97D
D97D
D97D
D97E
D97F
D97F
D97G
D97H
D97H
D97I
D97I
D97J
D97K
D97K
D97L
D97L
D97M
D97N
D97P
D97Q
D97R
Instrument panel
E50A
E50B
E50C
Inertia switch
I50
I50
Lambda sensor on pre-catalyzer
K15
K15
K15
K15
Lambda sensor downstream of post-catalyzer
K17
K17
K17
K17
Engine temperature sender unit
K36
K36
K36
K36
K36
K36
Integrated air temperature sensor
K43
K43
RPM sensor
K46
K46
K46
K46
K46
K46
Timing sensor
K47
K47
K47
K47
K47
K47
Fuel vapour recovery solenoid
L10
L10
L10
L10
Body computer
M1A
M1A
M1A
M1A
M1A
M1A
M1B
M1B
M1B
M1B
M1C
M1D
M1D
M1D
M1D
M1E
M1E
M1E
M1E
M1F
M1G
M1H
M1I
Engine management ECU
M10A
M10A
M10A
M10A
M10A
M10A
M10A
M10A
M10A
M10B
M10B
M10B
M10B
M10B
M10B
Fuel level gauge
N40
N40
N40
N40
N40
Injector
N70A
N70A
N70A
N70A
N70A
N70A
N70B
N70B
N70B
N70B
N70B
N70B
N70C
N70C
N70C
N70C
N70C
N70C
N70D
N70D
N70D
N70D
N70D
N70D
N70E
Integrated throttle body actuator
N75
N75
N75
N75