Check that the engine oil level is correct

Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY

Check that the air intake/vacuum circuit is working properly by carrying out the

See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECK

Check the condition of the fuel supply circuit and make sure that it is working properly

See Test 1040OA FUEL SUPPLY CIRCUIT CHECK

Check the operation of the low pressure supply circuit

See Test 1060OB LOW FUEL DELIVERY PRESSURE CIRCUIT CHECK

Restore the correct engine oil level

Op. 1048OA AIR INTAKE/VACUUM CIRCUIT CHECK

Select the following control unit at the diagnostic equipment: Electronic injection control unit EDC16C39 CF4/EOBD CAN (EP engine 1.9).

Check the value of the following parameters:

. Battery voltage

See Test 5530BB BATTERY VOLTAGE CHECK

. Accelerator pedal

. Accelerator position 1 AD/C

. Accelerator position 2 AD/C

See Test 1068AC ACCELERATOR PEDAL CHECKS

- Target Diesel pressure

- Measured Diesel pressure

See Test 1060GH DIESEL PRESSURE CHECK

. Engine rpm

See Test 1060GI CHECK ENGINE SPEED

. Measured air mass

See Test 1060GG CHECK MEASURED AIR MASS

. Engine coolant temperature

See Test 1060OE ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK

Carry out the active diagnosis for the preheating relay, checking that the result is positive.

The check on the following system is only necessary if the outside temperature is below 0 °C.

Check that the heater plugs are working properly

See Test 5520CA CHECK GLOW PLUG OPERATION

Restore the connections or, if necessary, replace the junction unit in the engine compartment

Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R.

Check the diesel preheating relay circuit

See Test 5505AC

Restore the wiring continuity

See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT

Replace the solenoid valve if necessary

Op. 1080C24 E.G.R. SYSTEM SOLENOID - R + R

Clean the tank and pipes and replace the diesel filter cartridge

Op. 1044B10 FUEL FILTER ASSEMBLY - R + R OR REPLACE

Check that the tappet clearance is correct

Op. 1036H10 VALVE TAPPETS - CHECK AND ADJUST CLEARANCE, IF NECESSARY

Carry out the cylinder compression check

Op. 0520G15

Carry out

Op. 1016C10 SINGLE CYLINDER HEAD - R.R. AND REPLACE GASKET

to check the valve seal and check the condition of the cylinders/piston rings

Overhaul the cylinder head

Op. 1016E10 SINGLE CYLINDER HEAD, REMOVED - OVERHAUL

Replace the engine management control unit

Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R

Select the following control unit at the diagnostic equipment: Diesel Injection Marelli 6F3 EOBD CAN (EP 1.3 JTD engine).

Check in the Configurations section whether the replacement of any of the following components was not followed by the subsequent configuration:

- Injector

In this case, carry out the configuration checking that the outcome is positive

Check whether any of the following errors are present using the diagnostic equipment:

- P1301

- U0001

- U0426

- U1700

1. Error P1301 is present

2. Error U0001 is present

3. Error U0426 is present

4. Error U1700 is present

1. Move on to Step 2

2. Continue as indicated

See table U0001 CAN line error

3. Carry out the CODE programming. If this is not possible, replace the engine management control unit

Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R

4. Continue as indicated

See table U1700 CAN network (NCM - NBC)

Replace the engine management control unit

Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R

Check the condition of the fuel supply circuit and make sure that it is working properly

See Test 1040OA FUEL SUPPLY CIRCUIT CHECK

Check the condition of the air intake circuit and make sure that it is working properly

See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECK

Select the following control unit at the diagnostic equipment: Diesel Injection Marelli 6F3 EOBD CAN (EP 1.3 JTD engine).

Check the value of the following parameters:

- Press. of diesel measured

See Test 1060GH DIESEL PRESSURE CHECK

- Pressure regulator opening (MPROP)

See Test 1060GR CHECK OPERATION OF FUEL PRESSURE SENSOR ON RAIL

- Engine rpm

See Test 1060GI CHECK ENGINE SPEED

Carry out the active diagnosis for the preheating relay, checking that the result is positive.

The check on the following system is only necessary if the outside temperature is below 0 °C.

Check that the heater plugs are working properly

See Test 5520CA CHECK GLOW PLUG OPERATION

First, check:

- status of spark plugs and leads;

- condition of the air filter;

- the condition of the air intake circuit

Replace the spark plugs

Op. 5510D10 SPARK PLUGS - R+R

Replace the filter element

Op. 1048A14 AIR CLEANER FILTER ELEMENT - REPLACE.

Connect the diagnostic test equipment (Examiner or other instruments) to the tester input.

Check:

- that there are no faults in the engine management control unit;

- parameter plausibility

Replace the solenoid valve

Op. 1080E28 ENABLEMENT SOLENOID FOR FLOW OF FUEL VAPOUR TO INLET - R+R

Check condition of:

- brake servo vacuum pipes;

- brake servo

See Test 3330DA CHECK VACUUM PUMP OPERATION AND BRAKE SERVO VACUUM CIRCUIT

Replace the brake servo/pump assembly

Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

Check the fuel supply pressure

Op. 0510C10 FUEL SYSTEM - CHECK DELIVERY PRESSURE

Replace the fuel pump assembly

Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

Replace the fuel pump assembly

Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

Replace the fuel pump assembly

Op. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R.

Check that the valve gear timing is correct

Op. 0510A20 TIMING GEAR WITH BELT DRIVE - CHECK - CARRY OUT OPERATION WITH CAM COVER(S) REMOVED AND TAPPETS ADJUSTED AND CRANKSHAFT PULLEY DETACHED (IF NECESSARY)

Replace the control unit

Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R