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

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 1060OA CHECK ON RETURN LOW PRESSURE FUEL CIRCUIT

Restore the correct engine oil level

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

Select the following control unit at the diagnostic equipment: EDC16C39 Diesel electronic injection control unit.

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

. Atmospheric pressure

See Test 1060GD ATMOSPHERIC PRESSURE CHECK

. Supercharging pressure Objective

. Supercharging pressure Measured

See Test 1060GF SUPERCHARGING PRESSURE CHECK

. Measured air mass

See Test 1060GG MEASURED AIR MASS CHECK

. Diesel temperature

See Test 1060EA DIESEL FUEL TEMPERATURE CHECK

. Target Diesel pressure

. Measured Diesel pressure

See Test 1060GH DIESEL FUEL PRESSURE CHECK

. Engine rpm

See Test 1060GI ENGINE SPEED CHECK

Select the following control unit at the diagnostic equipment: EDC16C39 Diesel electronic injection control unit.

Check that the system is working properly

Vedere Prova 5040OB VERIFICA FUNZIONAMENTO IMPIANTO CONDIZIONATORE (PRESSIONI)

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, by carrying out the

See Test 5520CA GLOW PLUGS FUNCTIONAL TEST

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

Op. 5505A13 CENTRALINA DI DERIVAZIONE SUPPLEMENTARE NEL VANO MOTORE - S.R.

Check the circuit for the protective fuse for the diesel preheating relay, carrying out the

See Test 5505AB CHECK DIESEL PREHEATING RELAY PROTECTIVE FUSE

Check the diesel preheating relay circuit, carrying out the

See Test 5505AC CHECK DIESEL PREHEATING RELAY

Keep the diagnotsic equipment connected to the diagnostic socket.

Carry out the active diagnosis of the EGR solenoid valve

Carry out the active diagnosis for the turbocharger regulation solenoid valve

Check the operation of the variable geometry control actuator, carrying out the

See Test 1064BC VARIABLE GEOMETRY TURBOCHARGER ACTUATOR SEAL TEST

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

Restore the wiring continuity

See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT

Replace the solenoid valve if necessary

Op. 1064B42 SOLENOID CONTROLLING TURBOCHARGER VANE POSITION ACTUATOR - R.R

Check as described in the

See Test 1064BA SUPRECHARGING PRESSURE CHECK

the operation of the turbocharger

Replace the turbocharger unit

Op. 1064A27 TURBOCHARGER UNIT AND EXHAUST MANIFOLD - R.R.

Replace the control unit

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