Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Doblò Factory Service Manual (2000-2010)08 · Engine
08 · Engine

Diesel injection wiring harness - r r

Make
Fiat
Model
Doblò Factory Service Manual
Year
2000–2010
Section
Diesel fuel injection › Diesel injection wiring harness - r r
EngineDiesel injection wiring harness - r r

Diesel injection wiring harness - r r

Operation 1060G90 · Pressure pump electric control

Removing

Position the car on the ramp.

Ensure that the ignition key is in the OFF position, then disconnect the negative battery terminal.

NameConnector
BatteryA1

Carry out - 5530B10 battery - r+r.

Carry out - 5530B52 Battery DRIP TRAY/SUPPORT - R.R..

1. Disconnect the electrical connection from the air flow meter.

NameConnector
1Air flow meterK41

2. Loosen the band and disconnect the the turbocharger air inlet sleeve from the rigid pipe, air flow meter side.

Diesel injection wiring harness - r r

Removing

Position the vehicle on the ramp.

Proceed with the removal - 5530B10 battery - r+r.

Proceed with the removal - 5530B52 Battery DRIP TRAY/SUPPORT - R.R..

Proceed with the removal - 7210E22 R.R. WINDSCREEN BASE TRIM.

Proceed with the removal - 5520C20 Heater plugs CONTROL UNIT - R.R..

Proceed with the removal - 1044B10 fuel filter assembly - r + r or replace.

Proceed with the removal - 1060G50 Electro-pneumatically controlled THROTTLE CASING - R.R..

1. Undo the nuts (1a) and remove the protection (1b).

Diesel injection wiring harness - r r

1. Loosen the band (1a) and disconnect the flexible hose (1b) from the air intake.

2. Remove the air filter (2a) complete with air flow meter (2b) by releasing from the underlying pins and then from the rear fastening.

Diesel injection wiring harness - r r

1. Disconnect the electrical connections (1a) and (1b) from the diesel electronic injection system control unit.

NameConnector
1aEngine management ECUM10A
NameConnector
1bEngine management ECUM10B

2. Undo nut (2a) and disconnect earth lead (2b).

NameConnector
2bEarth on engineC60
Diesel injection wiring harness - r r

Remove the fastening clips and remove the cover from the engine compartment junction box.

1. Undo the nut and disconnect the positive supply lead in the engine compartment junction box.

NameConnector
1Engine compartment junction unitB1A

2. Using a screwdriver, remove the safety pin and disconnect the electrical connections (2a) and (2b) from the engine compartment junction box.

NameConnector
2aFront/engine couplingD4A
NameConnector
2bFront/engine couplingD4B

3. Release the retaining clip and remove the spark plugs fuse block (MAXI FUSE) from the engine compartment junction box.

NameConnector
3Spark plugs (MAXI FUSE) fuseB37
Diesel injection wiring harness - r r

1. Undo the nuts (1a) securing cable duct (1b).

2. Withdraw the wiring complete with electrical connections from the engine bay bulkhead.

Diesel injection wiring harness - r r

1. Rotate the engine compartment junction unit on its hinges.

2. Disconnect the electrical connection from the engine compartment junction unit.

NameConnector
2Engine compartment junction unitB1F
Diesel injection wiring harness - r r

1. Disconnect the electrical connections from the injectors.

NameConnector
1InjectorN70
Diesel injection wiring harness - r r

1. Disconnect the electrical connections from the pre-heating control unit.

NameConnector
1Heater plugs controlunitM15
Diesel injection wiring harness - r r

Proceed with the removal - 1060F50 fuel return manifold - r r.

Proceed with the removal - 1080C24 e.g.r. system solenoid - r + r.

Proceed with the removal - 1060G70 vacum tank for controlling engine air intake r r.

1. Disconnect the electrical connection from the excess pressure sensor.

NameConnector
1Turbocharging sensorK82
Diesel injection wiring harness - r r

1. Disconnect the electrical connection joining the engine/radiator prewiring cables.

NameConnector
1Engine cables/radiator cable couplingD28
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the air flow meter.

NameConnector
1Air flow meterK41
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the fuel pressure sensor.

NameConnector
1Fuel pressure sensorK83
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the engine coolant temperature sensor.

NameConnector
1Data not available yet
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the intake air pressure sensor.

NameConnector
1Turbocharging sensorK82
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the turbocharger vane actuator solenoid.

NameConnector
1Data not available yet
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the engine coolant temperature sensor.

NameConnector
1Data not available yet

2. Disconnect the electrical connection for the rpm sensor.

NameConnector
2RPM sensorK46
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the fuel pressure sensor.

NameConnector
1Fuel pressure sensorK83
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the engine oil pressure warning light switch.

NameConnector
1Insufficient engine oil pressure (switch) sensorK30

2. Disconnect the electrical connections from the heater plugs.

NameConnector
2Heater plugsA40

3. Disconnect the electrical connections from the injectors.

NameConnector
3InjectorN70

4. Disconnect the electrical connection from the cam angle sensor.

NameConnector
4Timing sensorK47

5. Disconnect the electrical connection from the air conditioning compressor engagement electromagnet.

NameConnector
5Air conditioning compressor "on" electromagnetL20

6. Undo the bolts securing the cable pass to the cylinder head.

7. Release the system cable loom (7a) from the attachments (7b) and move it aside.

Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the fuel pressure regulator on the fuel pump.

NameConnector
1Fuel pressure regulatorN77

2. Disconnect the electrical connection for the cam angle sensor.

NameConnector
2Timing sensorK47

3. Disconnect the electrical connection from the solenoid on the vacuum tank.

NameConnector
3Butterfly casing solenoid valveL62
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the fuel pressure regulator.

NameConnector
1Fuel pressure regulatorN77

2. Disconnect the electrical connection from the E.G.R. valve.

NameConnector
2EGR solenoidL30
Diesel injection wiring harness - r r

1. Undo the nut (1a) and disconnect supply lead (1b) from the fuse/relay box.

NameConnector
1bEngine compartment junction unitB1A

2. Remove the fuse/relay box cover.

Diesel injection wiring harness - r r

1. Disconnect the electrical connections (1a) and (1b) from the diesel electronic injection system control unit.

NameConnector
1aEngine management ECUM10A
NameConnector
1bEngine management ECUM10B
Diesel injection wiring harness - r r

1. Raise the fuse/relay box (1a) and diconnect the electrical connection (1b).

NameConnector
1bEngine compartment junction unitB1F

2. Disconnect electrical connections (2a, 2b, 2c) and release fuse (2d).

NameConnector
2aEngine cables/radiator cable couplingD28
NameConnector
2bFront/engine couplingD4A
NameConnector
2cFront/engine couplingD4B
Diesel injection wiring harness - r r

1. Disconnect the electrical connection from the fuel pre-heating device.

NameConnector
1Fuel temperature sensorK81

2. Disconnect the electrical connection for the water-in-fuel filter sensor.

NameConnector
2Water in diesel filter sensorK31
Diesel injection wiring harness - r r

Proceed with the removal - 7055B54 under-engine guard - r r.

1. Disconnect the electrical connection for the air conditioning compressor electromagnet coupling.

NameConnector
1Air conditioning compressor "on" electromagnetL20
Diesel injection wiring harness - r r

Proceed with removal - 7055B54 under-engine guard - r r.

1. Undo the nut (1a) and disconnect the electrical connection (1b) from the alternator.

NameConnector
1bAlternatorA10

2. Open the protective cover (2a), undo the nut (2b) and disconnect the electrical connection (2c) from the starter motor.

NameConnector
2cStarter motorA20
Diesel injection wiring harness - r r

Undo the fastenings and remove the engine oil dipstick pipe.

1. Disconnect the electrical connection for the rpm sensor then remove the bracket.

NameConnector
1RPM sensorK46

2. Disconnect the electrical connections from the starter motor.

NameConnector
2Starter motorA20
Diesel injection wiring harness - r r

Release the cable loom from the bands securing it to the air chamber and remove it.

1. Disconnect the electrical connections from the alternator.

NameConnector
1AlternatorA10

2. Disconnect the electrical connection from the engine oil pressure warning light switch.

NameConnector
2Insufficient engine oil pressure (switch) sensorK30
Diesel injection wiring harness - r r

Refitting

Refit in its seating the system cable loom and secure it to the bands on the air chamber.

Connect the electrical connection to the starter motor, secure it with the nut and close the protective cover.

NameConnector
Starter motorA20

Connect the alternator electrical connection and tighten the fixing nut.

NameConnector
AlternatorA10

Carry out - 7055B54 under-engine guard - r r.

Connect the electrical connection to the water-in-fuel filter presence sensor.

NameConnector
Water in diesel filter sensorK31

Connect the electrical connection to the fuel pre-heating device.

NameConnector
Fuel temperature sensorK81

Connect the electrical connections to the diesel electronic injection control unit.

NameConnector
Engine management ECUM10A
NameConnector
Engine management ECUM10B

Connect the electrical connection to the EGR solenoid.

NameConnector
EGR solenoidL30

Connect the electrical connection to the fuel pressure regulator.

NameConnector
Fuel pressure regulatorN77

Connect the electrical connection to the intake air pressure sensor.

NameConnector
Turbocharging sensorK82

Connect the electrical connection to the fuel pressure sensor.

NameConnector
Fuel pressure sensorK83

Refit the wiring loom in its seating and secure it.

Tighten the bolts securing the cable pass to the cylinder head.

Connect the electrical connection to the air conditioner compressor electromagnet.

NameConnector
Air conditioning compressor "on" electromagnetL20

Connect the electrical connection to the cam angle sensor.

NameConnector
Timing sensorK47

Connect the electrical connections to the injectors.

NameConnector
InjectorN70

Connect the electrical connections to the heater plugs.

NameConnector
Heater plugsA40

Connect the electrical connection to the engine oil pressure warning light switch.

NameConnector
Insufficient engine oil pressure (switch) sensorK30

Connect the electrical connection for the rpm sensor.

NameConnector
RPM sensorK46

Disconnect the electrical connection from the engine coolant temperature sensor.

NameConnector
Data not available yet

Connect the electrical connection for the engine/radiator prewiring cables junction.

NameConnector
Engine cables/radiator cable couplingD28

Connect the electrical connections to the pre-heating control unit.

NameConnector
Heater plugs controlunitM15

Connect the electrical connection to the engine compartment junction box.

NameConnector
Engine compartment junction unitB1F

Refit the engine compartment junction box in its seating, rotating it on its hinges.

Connect the electrical connections to the engine compartment junction box.

NameConnector
Front/engine couplingD4A
NameConnector
Front/engine couplingD4B
NameConnector
Spark plugs (MAXI FUSE) fuseB37

Connect the positive supply lead to the engine compartment junction unit and fasten it using the nut.

NameConnector
Engine compartment junction unitB1A

Refit the engine compartment junction box cover in its seating.

Position in its seating the air filter complete with air flow meter, engaging it in the rear attachment and then in the underlying pins.

Connect the flexible hose to the air intake on the crossmember and tighten the fixing band.

Connect the air intake hose to the turbocharger, air flow meter side, and tighten the fixing band.

Connect the electrical connection to the air flow meter.

NameConnector
Air flow meterK41

Carry out - 5530B52 Battery DRIP TRAY/SUPPORT - R.R..

Carry out - 5530B10 battery - r+r.

Connect the battery negative terminal.

NameConnector
BatteryA1

Remove the car from the ramps.

Proceed with the removal - 1008A46 cam shaft left rigid mount - r r.

1. Fit tool (1a) to the pressure pump mount and secure with nuts (1b).

NameCountry
1aMount1.860.625.000

2. Fit tool (2a), complete with support blocks (2b) and connect to the bracket fitted previously using link (2c).

NameCountry
2aCrossmember1.870.595.000
NameCountry
2bSupport mountings1.870.650.000

Remove the hydraulic lift from beneath the power unit.

The above operations must be carried out in order to remove the air conditioner electrical connection.

Diesel injection wiring harness - r r

Remove the system cable loom.

Refitting

Fit the system wiring harness in its seat.

Position the hydraulic lift beneath the power unit.

Remove the safety tools used for supporting the power unit.

NameCountry
Crossmember1.870.595.000
NameCountry
Support mountings1.870.650.000
NameCountry
Mount1.860.625.000

Proceed with the refitting - 1008A46 cam shaft left rigid mount - r r.

Connect the electrical connection to the engine oil pressure warning light switch.

Connect the electrical connections to the alternator.

Connect the electrical connections to the starter motor.

Refit the bracket, then connect the rpm sensor electrical connection.

Place the engine oil dipstick tube assembly back in its housing and secure.

Connect the electrical connection to the air conditioning compressor electromagnet coupling.

Proceed with the refitting - 7055B54 under-engine guard - r r.

Connect the electrical connections and refit together with the fuse.

Connect the electrical connection to the fuse/relay box and place it back in its housing.

Refit the fuse/relay box cover in its seat.

Connect the fuse/relay box supply lead and tighten the nut.

Connect the electrical connection to the solenoid on the vacuum tank.

Connect the electrical connection for the cam angle sensor.

Connect the electrical connection to the pressure regulator on the pressure pump.

Connect the electrical connection to the fuel pressure sensor.

Connect the electrical connection to the turbocharger vane actuator solenoid.

Connect the electrical connection to the engine coolant temperature sensor.

Connect the electrical connection to the air flow meter.

Connect the electrical connection to the excess pressure sensor.

Proceed with the refitting - 1060G70 vacum tank for controlling engine air intake r r.

Proceed with the refitting - 1080C24 e.g.r. system solenoid - r + r.

Proceed with the refitting - 1060F50 fuel return manifold - r r.

Connect the electrical connections to the injectors.

Fit the wiring with electrical connections for the diesel electronic injection system through the tunnel in the engine bulkhead.

Tighten the cable duct nuts.

Connect the earth lead and fix it using the nut.

Connect the electrical connections to the diesel electronic injection control unit.

Place the protection back in its housing and fix it using the nuts.

Proceed with the refitting - 1060G50 Electro-pneumatically controlled THROTTLE CASING - R.R..

Proceed with the refitting - 1044B10 fuel filter assembly - r + r or replace.

Proceed with the refitting - 5520C20 Heater plugs CONTROL UNIT - R.R..

Proceed with the refitting - 7210E22 R.R. WINDSCREEN BASE TRIM.

Proceed with the refitting - 5530B52 Battery DRIP TRAY/SUPPORT - R.R..

Proceed with the refitting - 5530B10 battery - r+r.

Remove the car from the ramp.

Parts & tools for this job Staging For 2000 Fiat Doblò

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