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Fuse box diagrams (layout, location, function, assignment) in the cabin, engine compartment and the boot of Alfa Romeo 159 (2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011).
Checking and Replacing Fuses
The fuse is a protective device for the electric system. It comes into action (i.e.it cuts off) mainly due to a fault or improper action on the system. When a device does not work, check the efficiency of its fuse. The conductor element must be intact. If not, replace the fuse with one of the same amp rating (same color).
To replace a fuse, use the pliers hooked to the fuse box on the dashboard.
Warning!
- Never replace a broken fuse with anything other than a new fuse.
- Never change a fuse with another with a higher amp rating, the danger of fire.
- Before changing a fuse, check the ignition key has been removed and that all the other electric devices have been turned off/disabled.
- If a general fuse (MEGA-FUSE, MAXI-FUSE) cuts in, do not attempt any repair and contact Alfa Romeo Authorized Services.
- If the fuse blows again, contact Alfa Romeo Authorized Services.
- If a general protection fuse for safety systems (airbag system, braking system), power unit systems (engine system, transmission system), or steering system is triggered, contact Alfa Romeo Authorized Services.
Fuses are grouped into four fuse boxes to be found respectively on the dashboard, on the battery positive pole, near the battery, and inside the boot (left-hand side).
Instrument Panel Fuse Box Diagram
To gain access to the fuses in the fuse box on the dashboard, loosen the fastening screw A and remove the cover B.
| № | A | Function |
|---|---|---|
| 12 | 15 | Right dipped beam headlight |
| 13 | 15 | Left dipped beam headlight |
| 31 | 7.5 | Supply + key for relay coils of engine compartment control unit/dashboard control unit/Body Computer |
| 32 | 15 | Driver’s door branch point/passenger’s door branch point/ignition device |
| 33 | 20 | Rear left window control/boot node |
| 34 | 20 | Rear right window control/boot node |
| 35 | 7.5 | Reversing light/Brake light |
| 36 | 20 | Supply of boot node/locks actuators |
| 37 | 7.5 | Third brake light Positive under key for stop lights/third stop/instrument/lights direction |
| 38 | 15 | Boot opening |
| 39 | 10 | Front/rear ceiling light Supply + battery for air conditioner, ceiling lights, volumetric alarm, EOBD system diagnostic socket |
| 40 | 30 | Heated rear window |
| 41 | 7.5 | Defrosting of external mirrors/heated windshield relay coil |
| 42 | - | - |
| 43 | 30 | Windshield wiper/washer |
| 44 | 10 | Front cigar lighter on central console |
| 45 | 15 | Supply of socket in the boot |
| 46 | 20 | Sunroof |
| 47 | 20 | Power supply of driver door node |
| 48 | 30 | Power supply of passenger door nodes |
| 49 | 7.5 | Front ceiling light + Key for wheel node/Sunroof control unit/Front and rear ceiling lights/Cvs/Blue&Me node/Volumetric/Left and right seat |
| 50 | - | - |
| 51 | 7.5 | Supply under key for Telematic info node/Automatic gearbox node/Additional heater/Left dashboard controls/ START/STOP button, Parking sensors control unit/Electrochromatic mirror/Blue&Me node/Car radio prearrangement/AQS/Cruise Control |
| 52 | 15 | Rear window wiper/Rear lighter |
| 53 | 10 | Direction indicators Hazard lights Instrument panel branch point |
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Battery Positive Terminal
To gain access to the fuses in the fuse box on the battery positive pole press the retainers A and remove the protection cover B.
| № | A | Function |
|---|---|---|
| 70 | 150 | Engine housing control unit services |
| 71 | 70 | Instrument panel control unit |
| 72 | 50 | Additional heater (passenger compartment water heating 600W) (diesel versions) |
| 73 | 60 | Plug pre-heating control unit (diesel versions) |
Engine Compartment Fuse Box Diagram
To gain access to the fuses, loosen the two fastening screws A and remove the protection cover B.
| № | A | Function |
|---|---|---|
| 1 | 60 | Instrument panel control unit |
| 2 | 40 | Climate control system fan (1.8 140 HP versions) |
| 60 | Climate control system fan (2.2 JTS Selespeed versions) | |
| 3 | 20 | Electric steering lock |
| 4 | 40 | Brake branch point (pump) |
| 5 | 40 | Brake branch point (solenoid valve) (ABS version) |
| 20 | Brake branch point (solenoid valve) (VDC version) | |
| 6 | 40 | Radiator fan (low speed) (1.8 140 HP, 2.2 JTS Selespeed versions) |
| 7 | 50 | Radiator fan (high speed) |
| 8 | 30 | Additional heater supply (passenger compartment water heating 300W) (diesel versions) |
| 9 | 20 | Headlight washer |
| 10 | 15 | Horns |
| 11 | - | - |
| 14 | 7.5 | Right main beam headlight |
| 15 | 7.5 | Left main beam headlight |
| 16 | - | - |
| 17 | - | - |
| 18 | - | - |
| 19 | 7.5 | Climate control system compressor |
| 20 | 20 | Rear window heating |
| 21 | 20 | Fuel pump supply |
| 22 | - | - |
| 23 | 15 | Sound system/radionavigation system power/Blue&Me |
| 24 | - | - |
| 30 | 15 | Front fog light |
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Luggage Compartment Fuse Box Diagram
To gain access, open the lid on the left side of the boot as shown by the arrow A.
| № | A | Function |
|---|---|---|
| 54 | 30 | Amplifier Bose audio system |
| 55 | - | - |
| 56 | 25 | Front left seat movement control |
| 57 | 7.5 | Driver’s seat warming left |
| 58 | - | - |
| 59 | - | - |
| 60 | 25 | Front right seat movement control |
| 61 | 15 | Amplifier Bose audio system on rear parcel shelf |
| 62 | - | - |
| 63 | - | - |
| 64 | - | - |
| 65 | - | - |
| 66 | - | - |
| 67 | 7.5 | Front passenger seat warming right |
| 68 | - | - |
| 69 | - | - |
| 77 | - | - |
| 78 | - | - |
| 79 | - | - |
| 80 | - | - |
The fuse specific for the Sportwagon version is located on the right side of the boot.
To open the fuse box, proceed as follows:
- Use handle B to open the right lid (for versions/markets, where provided) A;
- Open the fuse box lid C working in the point shown by the arrow.
| № | A | Function |
|---|---|---|
| 55 | 15 | Socket |
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