Volvo S40 2004 Fuse Box Diagram
Fuse box location:
The fuses are located under the glovebox. The fuse box has 50 fuse positions.
Engine compartment fusebox:
The fuse box has 36 fuse positions.
Fuse Box Diagram | Layout
Engine compartment fusebox:
| Fuse N° | Rating | Functions |
| 1 | 50 A | Radiator fan |
| 2 | 80 A | Power steering |
| 3 | 60 A | Supply to the fuse box in the passenger compartment |
| 4 | 60 A | Supply to the fuse box in the passenger compartment |
| 5 | 80 A | Element climate control unit |
| 6 | 60 A | Glow plugs (diesel) |
| 7 | 30 A | ABS pump |
| 8 | 20 A | ABS valves |
| 9 | 30 A | Engine control module |
| 10 | 40 A | Fan climate control unit |
| 11 | 20 A | Headlamp washers |
| 12 | 30 A | Heated rear window |
| 13 | 30 A | Starter motor relay |
| 14 | 40 A | Electrical socket for trailers, parking assistance, accessory module |
| 15 | - | Spare position |
| 16 | 30 A | Supply to the fuse box in the passenger compartment |
| 17 | 30 A | Windscreen wipers |
| 18 | 40 A | Supply to the fuse box in the passenger compartment |
| 19 | - | Spare position |
| 20 | 15 A | Horn |
| 21 | 20 A | Additional heater, passenger compartment heater (fuel powered) |
| 22 | - | Spare position |
| 23 | 10 A | Engine control module (ECM) / transmission control module (TCM) |
| 24 | 20 A | Heater diesel filter |
| 25 | - | Spare position |
| 26 | 15 A | Ignition switch |
| 27 | 10 A | Air conditioning (A/C) compressor |
| 28 | - | Spare position |
| 29 | 15 A | Fog lamps front |
| 30 | 3 A | Engine control module |
| 31 | 10 A | Voltage regulator, generator |
| 32 | 10 A | Injectors (5 cyl.) |
| 33 | 20 A | Heater element heated oxygen sensor (HO2S) (5 cyl), air preheating valve (diesel) |
| 34 | 10 A | Ignition coils, fuel pump (diesel) |
| 35 | 15 A | Engine sensor valves, relay air conditioning |
| 36 | 10 A | Engine control module (ECM) |
Passenger compartment:
| Fuse N° | Rating | Functions |
| 37 | - | Spare position |
| 38 | - | Spare position |
| 39 | - | Spare position |
| 40 | - | Spare position |
| 41 | - | Spare position |
| 42 | - | Spare position |
| 43 | 15 A | Telephone, audio |
| 44 | 10 A | SRS system |
| 45 | 15 A | Electric socket, rear seat |
| 46 | 5 A | Lighting in passenger compartment, glove compartment and entry |
| 47 | 5 A | Lighting in the roof, door mirrors |
| 48 | 15 A | Windscreen washer, wiper rear window |
| 49 | 10 A | SRS system |
| 50 | - | Spare position |
| 51 | 10 A | Additional heater (Positive temperature coefficient (PTC)) lighting front |
| 52 | 5 A | ABS system |
| 53 | 10 A | Power steering |
| 54 | 10 A | Transmission control module (TCM), differential gear |
| 55 | 20 A | Remote control receiver |
| 56 | 10 A | Battery charging |
| 57 | 15 A | Computer system, brake light contact |
| 58 | 7.5 A | Main beam right, auxiliary lamp |
| 59 | 7.5 A | Main beam left, auxiliary lamp |
| 60 | 15 A | Seat heating (driver’s side) |
| 61 | 15 A | Seat heating (passenger side) |
| 62 | 20 A | Sunroof |
| 63 | 20 A | Power window rear, right-hand side |
| 64 | 5 A | Audio |
| 65 | 5 A | Infotainment |
| 66 | 10 A | Climate control module (CCM)/ infotainment control module (ICM) |
| 67 | 15 A | Sub-bass |
| 68 | 5 A | Cruise control |
| 69 | 5 A | Climate control, rain sensor |
| 70 | - | Spare position |
| 71 | - | Spare position |
| 72 | - | Spare position |
| 73 | 5 A | Sun roof, console for interior lighting (OHC), seat belt reminder rear |
| 74 | 15 A | Relay fuel pump |
| 75 | - | Spare position |
| 76 | - | Spare position |
| 77 | 15 A | Electric socket, cargo compartment |
| 78 | - | Spare position |
| 79 | 5 A | Reversing lamps |
| 80 | - | Spare position |
| 81 | 20 A | Power window rear, left-hand side |
| 82 | 25 A | Power window front, passenger side |
| 83 | 25 A | Power window front, driver's side |
| 84 | 25 A | Power passenger seat |
| 85 | 25 A | Power driver's seat |
| 86 | 5 A | Interior lighting relay, power seats |
