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Automotive Electricians Portal FZCO
Automotive Electricians Portal FZCO Wiring diagram - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat PANDA 1.2 8v
COMPONENTS - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat PANDA 1.2 8v
Component code | Description | Reference to the assembly |
A1 | Battery | |
B1 | Engine compartment junction unit | |
C11 | Right front earth | - |
C30 | Left rear earth | - |
C60 | Injection control unit earth | - |
D4 | Front/engine coupling | - |
D6 | Front/rear coupling | - |
D97 | Short circuit coupling | - |
H1 | Ignition switch | |
K17 | Lambda sensor on catalyzer | |
K28 | Engine oil pressure sensor | - |
K28 | Engine oil pressure sensor | |
K43 | Integrated air temperature sensor | |
K47 | Timing sensor | |
K55 | Accelerator pedal potentiometer | |
K84 | Speedometer sensor | - |
L10 | Fuel vapour recovery solenoid valve | - |
L10 | Fuel vapour recovery solenoid valve | |
M10 | Engine management control unit | |
N70 | Injector | |
Component location - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat PANDA 1.2 8v
COMPONENTS - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat PANDA 1.2 8v
Component code | Description | Reference to the assembly |
A1 | Battery | |
B1 | Engine compartment junction unit | |
C11 | Right front earth | - |
C30 | Left rear earth | - |
C60 | Injection control unit earth | - |
D4 | Front/engine coupling | - |
D6 | Front/rear coupling | - |
D97 | Short circuit coupling | - |
H1 | Ignition switch | |
K17 | Lambda sensor on catalyzer | |
K28 | Engine oil pressure sensor | - |
K28 | Engine oil pressure sensor | |
K43 | Integrated air temperature sensor | |
K47 | Timing sensor | |
K55 | Accelerator pedal potentiometer | |
K84 | Speedometer sensor | - |
L10 | Fuel vapour recovery solenoid valve | - |
L10 | Fuel vapour recovery solenoid valve | |
M10 | Engine management control unit | |
N70 | Injector | |
Description - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat PANDA 1.2 8v
An electronic control system supervises and governs all engine parameters to optimise performance and fuel consumption by means of a real-time response to different service conditions.The system is managed by a single control unit that controls the twin ignition (static with lost spark) and the injection (phased).Depending on the signals received from numerous sensors, the control unit controls the injectors connected to it managing the following systems:fuel supply;air supply;engine cooling;exhaust with catalytic converter controlled by two lambda sensors;fuel vapour recirculation.
The electronic management system described above ensures that this engine meets the very latest EOBD (European On Board Diagnogis) system emission control and monitoring requirements. This system allows continous diagnosis of emission-related car components and notifies the driver if any of the components should deteriorate by turning on a warning light and showing a message on the instrument panel matrix display.The system is also controlled by dedicated relays in the engine compartment junction unit. Lines supplying the control unit and various system components (sensors and actuators) are protected by dedicated fuses that are also located inside the junction unit.
Operational description - PETROL ENGINES ELECTRONIC MANAGEMENT - Fiat PANDA 1.2 8v
The engine management control unit M010 is connected directly to the battery earth A001 connector G from connector B pin 27, 28.The direct battery power supply is provided at pin 29 connector B, from the line protected by fuse F 18, housed in the engine compartment junction unit B001.The ignition-operated supply is supplied:to the engine management control unit M010, pin 47 connector B:to the coil, incoming, for the relay T09 housed inside the engine compartment junction unit B001;to the speedometer sensor K084, pin 3.
The engine management control unit provides a negative signal, at pin 15 connector B, to the relay T09 coil output.When energized, the relay provides a direct battery power supply:to the Lambda sensors K017 and K018 (at pins 4 respectively);to the fuel vapour recovery solenoid valve L010 (pin 1).to the ignition coils A030, connector A and B (at pins 1 respectively);to the injectors N070, connector A, B, C, D (at pins1 respectively);to the fuel pump motor N040 (pin 4).
With the engine started, the various sensors used in the supply system receive a direct power supply from the engine management control unit, exchanging all information relating to their function with it.From connector A, the control unit M010:at pin 62 receives the signals from the engine coolant temperature sensor K036;at pins 54 and 68 it provides the power supply and reference earth for the built-in air temperature sensor K043;at pins 55 and 75 it receives the absolute air temperature and pressure signals respectively supplied by sensor K043;at pin 26 it controls the fuel vapour recovery solenoid valve L010;at pin 8 it receives the engine oil pressure sensor signal K028;at pins 57, 58, 64, 65 sends the commands to the engine idle actuator N074;at pins 59 and 66 it controls the coils A030;at pins 71, 72, 78, 79 it controls the injectors N070;at pin 76 receives the signal from the throttle position sensor K056;at pins 54, 68 provides the power supply and reference earth for the timing sensor K047;at pins 53 and 67 supplies the engine rpm sensor K046;at pins 56, 70 supplies the detonation sensor K050.
From connector B, the control unit M010:at pins 20, 12 supplies the Lambda sensors K017 and K018 respectively;at pins 8, 24 receives the signals from the Lambda sensors K017and K018 respectively;at pins 1, 2 provides the reference earth for the internal resistances for Lambda sensors K017 and K018;at pin 25 it is connected to the diagnostic socket.
From pins 6, 32, connector B, the engine management control unit M010 is connected to the body computer node M001 via the CAN. The engine management control unit sends/receives the signals supplied by the various sensors used in the system via this line.For more detailsFrom connector C, the engine management control unit M010 is connected to injection control unit earth C060.BATTERY
A001A
A001B
A001C
A001C
A001C
A001D
A001D
A001E
A001F
JUNCTION UNIT
B001A
B001D
B001D
B001D
B001D
B001D
B001D
B001D
RIGHT FRONT EARTH
C011
C011
C011
C011
C011
C011
LEFT REAR EARTH
C030
C030
C030
C030
C030
INJECTION CONTROL UNIT EARTH
C060
C060
C060
FRONT/ENGINE COUPLING
D004
D004
D004
D004
D004
D004
D004
D004
D004
D004
D004
FRONT/REAR COUPLING
D006
D006
D006
D006
SHORT CIRCUITING COUPLING
D097A
D097A
D097A
D097A
D097A
D097B
D097B
D097B
D097B
D097B
D097C
D097C
D097C
D097D
D097E
D097E
D097F
D097G
D097G
D097H
IGNITION SWITCH
H001A
H001A
H001A
H001B
LAMBDA SENSOR ON CATALYZER
K017
K017
ENGINE OIL PRESSURE SENSOR
K028
K028
K028
INTEGRATED AIR TEMPERATURE SENSOR
K043
K043
K043
TIMING SENSOR
K047
K047
K047
ACCELERATOR PEDAL POTENTIOMETER
K055
K055
K055
SPEEDOMETER SENSOR
K084
FUEL VAPOUR RECOVERY SOLENOID VALVE
L010
L010
ENGINE MANAGEMENT ECU
M010A
M010A
M010A
M010B
M010B
M010B
M010B
M010B
M010B
M010B
M010B
M010C
M010C
M010C
INJECTOR
N070A
N070A
N070A
N070B
N070B
N070B
N070C
N070C
N070C
N070D
N070D
N070D