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 Croma Factory Service Manual (2005-2010)16 · Electrical equipment
16 · Electrical

Engine power supply fuse check

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Instrument/gauge electrical circuits › Engine power supply fuse check
Electrical equipmentEngine power supply fuse check

ENGINE POWER SUPPLY FUSE CHECK

Check 5505AD

1.9 JTD 8v

CHECK TO BE PERFORMEDRESOLUTION IF THE CHECK IS NOT OK
1

Turn the ignition key OFF.

Turn off all the electrical users.

Fit a new fuse F16 in the engine compartment junction unit.

See B001 ENGINE COMPARTMENT JUNCTION UNIT

Turn the ignition key ON.

Check that new fuse does not cut in.

Move on to Step 3

Replace relay T9 (it is the one in the middle in the bottom row)

Op. 1060G88 DIESEL INJECTION SYSTEM RELAYS - R R

Move on to Step 2

2

Check the fault disappears.

The test can be considered over

Restore the original relay and replace the junction unit in the engine compartment

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

3Start the engine and check that fuse F16 cuts inA temporary current overload has occurred in the system behind fuse F16.
4

Turn the ignition key OFF.

In the junction unit, remove relay T9 from the base unit (in the middle of the lower row)

See B001 ENGINE COMPARTMENT JUNCTION UNIT

Turn the ignition key ON.

Connect a shunt cable with a fuse between pin 87 of the base unit for relay T9 and the battery positive, checking that it has not blown.

Replace relay T9

Op. 1060G88 DIESEL INJECTION SYSTEM RELAYS - R R

5

Disconnect the shunt connection.

Disconnect the cable loom connector from control unit connector X

See B001 ENGINE COMPARTMENT JUNCTION UNIT

Connect a shunt cable with a fuse between pin 1 of the connector X and the battery positive, checking that the fuse for the connecting cable it has not blown.

Replace the engine compartment junction unit

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

6

If faults are present, repair or if necessary replace the electrical wiring between the engine compartment junction unit and the starter motor

See E5010 STARTING AND RECHARING

Replace the starter motor

Op. 5520B10 STARTER MOTOR - R+R

Parts & tools for this job For 2005 Fiat Croma

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