AUTOMOTIVE ELECTRICIANS

Fiat DOBLO 1.3 JTD 16V Fino a 10/2000 – DIESEL ENGINES ELECTRONIC MANAGEMENT – – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Fiat DOBLO 1.3 JTD 16V  Fino a 10/2000 – DIESEL ENGINES ELECTRONIC MANAGEMENT –  – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION – WIRING DIAGRAM, LOCATION COMPONENTS, OPERATIONAL DESCRIPTION

Wiring diagram - DIESEL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.3 JTD 16V Fino a 10/2000







COMPONENTS - DIESEL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.3 JTD 16V Fino a 10/2000



Component codeNameAssembly reference
A40 Heater plugs-
A40 Heater plugs
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
B37 Spark plugs (MAXI FUSE) fuse-
B37 Spark plugs (MAXI FUSE) fuse
C1 Battery earth-
C10 Front left earth-
C15 Facia earth, driver''s side-
C30 Left rear earth-
C60 Earth on engine-
C60 Injection ECU earth-
D4 Front/engine coupling-
D4 Front/engine coupling
D4 Front/engine coupling
D36 Rear right door connection-
E50 Instrument panel-
E50 Instrument panel
I30 Brake pedal switch-
I31 Clutch pedal switch
I50 Inertial switch
K100 Fuel heating resistance and temperature sensor
K30 Insufficient engine oil pressure (switch) sensor-
K30 Insufficient engine oil pressure (switch) sensor
K30 Insufficient engine oil pressure (switch) sensor
K31 Water in diesel filter sensor
K41 Air flow meter
K41 Air flow meter''
K45 Coolant temperature sender unit
K45 Engine temperature sensor for i.e.
K46 RPM sensor
K46 Rpm sensor
K47 Timing sensor-
K47 Timing sensor
K55 Accelerator pedal potentiometer-
K55 Accelerator pedal potentiometer
K81 Fuel temperature sensor
K82 Turbocharging sensor
K82 Turbocharging sensor
K83 Fuel pressure sensor
K84 Speedometer sensor-
K84 Speedometer sensor
L30 EGR solenoid valve
L30 EGR solenoid
L35 Waste-gate solenoid valve
L62 Butterfly casing solenoid valve-
M1 Body computer-
M1 Body computer
M10 Engine management ECU
M10 Engine management control unit-
M10 Engine management control unit
M10 Plug preheating control unit
M15 Heater plugs controlunit
M15 Plug preheating control unit
M15 Plug preheating control unit
M15 Plug preheating control unit
M19 Methane injection control unit-
N40 Fuel pump and sender unit
N41 EPIC injection pump
N77 Fuel pressure regulator
O20 Diesel preheating resistor1044D

Location of components - DIESEL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.3 JTD 16V Fino a 10/2000





COMPONENTS - DIESEL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.3 JTD 16V Fino a 10/2000



Component codeNameAssembly reference
A40 Heater plugs-
A40 Heater plugs
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
B37 Spark plugs (MAXI FUSE) fuse-
B37 Spark plugs (MAXI FUSE) fuse
C1 Battery earth-
C10 Front left earth-
C15 Facia earth, driver''s side-
C30 Left rear earth-
C60 Earth on engine-
C60 Injection ECU earth-
D4 Front/engine coupling-
D4 Front/engine coupling
D4 Front/engine coupling
D36 Rear right door connection-
E50 Instrument panel-
E50 Instrument panel
I30 Brake pedal switch-
I31 Clutch pedal switch
I50 Inertial switch
K100 Fuel heating resistance and temperature sensor
K30 Insufficient engine oil pressure (switch) sensor-
K30 Insufficient engine oil pressure (switch) sensor
K30 Insufficient engine oil pressure (switch) sensor
K31 Water in diesel filter sensor
K41 Air flow meter
K41 Air flow meter''
K45 Coolant temperature sender unit
K45 Engine temperature sensor for i.e.
K46 RPM sensor
K46 Rpm sensor
K47 Timing sensor-
K47 Timing sensor
K55 Accelerator pedal potentiometer-
K55 Accelerator pedal potentiometer
K81 Fuel temperature sensor
K82 Turbocharging sensor
K82 Turbocharging sensor
K83 Fuel pressure sensor
K84 Speedometer sensor-
K84 Speedometer sensor
L30 EGR solenoid valve
L30 EGR solenoid
L35 Waste-gate solenoid valve
L62 Butterfly casing solenoid valve-
M1 Body computer-
M1 Body computer
M10 Engine management ECU
M10 Engine management control unit-
M10 Engine management control unit
M10 Plug preheating control unit
M15 Heater plugs controlunit
M15 Plug preheating control unit
M15 Plug preheating control unit
M15 Plug preheating control unit
M19 Methane injection control unit-
N40 Fuel pump and sender unit
N41 EPIC injection pump
N77 Fuel pressure regulator
O20 Diesel preheating resistor1044D

Description - DIESEL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.3 JTD 16V Fino a 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 Diesel engine is fitted with a Multijet COMMON RAIL njection system. This features the use of high, electronically-controlled injection pressure. Fuel delivery, termed a pilot injection, is optimised by the electronic control unit via the injector and not managed by the pump.The system uses signals received from numerous sensors to control actuators. It is connected to the following systems:fuel supply;air supply system;heater plugs;accelerator pedal;engine cooling;fuel preheating.This version of the system also includes the EOBD function (European On Board Diagnosis) conforming with Directive 98/69/CE (EURO 3).On diesel versions equipped with the EOBD system, the insrument panel warning light is amber yellow; is activated on request by the engine control unit for about 4 seconds (check) when the ignition key is turned to ''MAR''.The EOBD system carries out continuous diagnosis of the car''s petrol fuel system components relating to emissions and indicates any deterioration of these components by the warning light in the instrument panel coming on.The aim of the system is:keeping the efficiency of the system under control;signalling an increase in emissions due to a vehicle malfunction;signalling the need to replace deteriorated components.The system is also controlled by means of special relays located in the engine compartment junction unit.The supply lines to the control unit and the various system components (sensors and actuators) are protected by a specific maxifuse and other jumper fuses, located near the junction unit.The heater plugs control unit is protected by a special maxifuse.

Functional description - DIESEL ENGINES ELECTRONIC MANAGEMENT - Fiat DOBLO 1.3 JTD 16V Fino a 10/2000


Engine control unit M10 monitors and controls the electronic injection system.

HEATER PLUGS



A040A



A040A



A040B



A040B



A040C



A040C



A040D



A040D



A40A



A40A



A40B



A40B



A40C



A40C



A40D



A40D



JUNCTION UNIT



B001A



B001B



B001C



B001C



B001C



B001C



B001C



B001D



B001E



B001F



B001F



B001F



B001F



B001F



B1A



B1A



B1B



B1C



B1C



B1C



B1C



B1C



B1C



B1C



B1C



B1D



B1E



B1E



B1F



B1F



B1F



B1F



B1F



B1F



JUNCTION UNIT UNDER DASHBOARD



B002A



B002A



B002A



B002A



B002A



B002C



B002D



B002D



B002E



B002E



B002E



B002F



B002G



B002G



B2A



B2A



B2A



B2A



B2A



B2C



B2D



B2D



B2D



B2E



B2E



B2E



B2E



B2F



B2G



LEFT FRONT EARTH



C010



C010



C10



C10



DASHBOARD EARTH, DRIVER''S SIDE



C015A



C015A



C015C



C15A



C15A



C15B



C15C



FRONT/ENGINE COUPLING



D4A



D4A



D4A



D4A



D4A



D4A



D4A



D4A



D4A



D4A



D4B



D4B



D4B



D4B



D4B



D4B



D4B



D4B



D4B



D4B



D004A



D004A



D004A



D004A



D004A



D004A



D004A



D004A



D004B



D004B



D004B



D004B



D004B



D004B



D004B



D004B



REAR/RIGHT REAR DOOR COUPLING



D36A



D36A



D36B



INSTRUMENT PANEL



E050A



E050A



E050B



E050B



E050B



E50A



E50A



E50B



E50B



E50B



E50B



E50B



TEMPERATURE SENSOR AND HEATING RESISTANCE



K100



K100



ENGINE OIL PRESSURE SENSOR (SWITCH)



K30



K30



K30



K30



K30



K30



K30



K030



K030



K030



K030



AIR FLOW METER



K41



K41



K041



K041



ENGINE COOLANT TEMPERATURE SENSOR



K45



K45



K45



K45



K45



K45



K45



FUEL TEMPERATURE SENSOR



K81



TURBOCHARGING SENSOR



K82



K82



K082



SPEEDOMETER SENSOR



K84



K84



K84



K84



K84



K84



K084



K084



K084



K084



K084



OVERBOOST SOLENOID VALVE



L35



BODY COMPUTER



M1A



M1A



M1A



M1A



M1C



M1D



M1E



M1F



M001A



M001A



M001A



M001A



M001A



M001C



M001C



M001C



M001D



M001D



M001E



M001E



M001F



M001F



ENGINE MANAGEMENT ECU



M10B



M10B



M10B



M10B



M10B



M10B



M10C



M10C



M10C



M010A



M010A



M010A



M010A



M010A



M010A



M010B



M010B



M010B



M010B



M010B



M010B



M010C



M010C



M10



M10A



M10A



M10A



M10A



M10A



M10A



M10B



HEATER PLUGS CONTROL UNIT



M15A



M15A



M15A



M15B



M15B



M15C



M15C



M015A



M015A



M015A



M015B



M015B



M015C



M015C



METHANE INJECTION CONTROL UNIT



M19A



M19A



M19B



M19B



M019A



M019B



FUEL PUMP AND LEVEL GAUGE



N040



N040



N040



N40



N40



EPIC INJECTION PUMP



N41



DIESEL PREHEATING RESISTOR



O20


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