Citroën C4 2008 Fuse Box Diagram
Fuse box location:
The fuseboxes are located in the lower dashboard.
Engine compartment fusebox:
The fusebox is placed in the engine compartment near the battery.
Fuse Box Diagram | Layout
Dashboard fuses:
| Fuse N° | Rating | Functions |
| F1 | 15 A | Central locking |
| F2 | 30 A | Central locking - Deadlocking |
| F3 | 5 A | Airbags and pretensioners |
| F4 | 10 A | Diagnostic socket - Brake switch - Photochromic rear view mirror - ESP - Coolant level sensor - Diesel fuel additive system - Power steering Clutch pedal switch (ESP, cruise control and speed limiter) |
| F5 | 30 A | Electric front windows - Heated exterior rear view mirrors |
| F6 | 30 A | Electric rear windows |
| F7 | 5 A | Interior lighting |
| F8 | 20 A | Audio system - NaviDrive - Display - Alarm - Front 12V socket - Trailer relay unit - Driving school module |
| F9 | 30 A | Cigar lighter - Rear 12V socket |
| F10 | 15 A | Tyre pressure sensor - Auto. - STOPLAMP switch |
| F11 | 15 A | Ignition - Diagnostic socket - Particle filter |
| F12 | 15 A | Electric seat - Lane wandering alert - Parking assistance |
| F13 | 5 A | Rain sensor - Sunlight sensor - (6 speed) Electronic Gearbox System – Engine relay unit |
| F14 | 15 A | Air conditioning - Instrument panel - Tachometer - Airbags and pretensioners - Trailer relay unit - Bluetooth telephone |
| F15 | 30 A | Central locking - Deadlocking |
| F16 | SHUNT | |
| F17 | 40 A | Heated rear screen |
| Fuse N° | Rating | Functions |
| F36 | 20 A | Hi Fi amplifier |
| F37 | 30 A | Front left hand electric seat |
| F39 | 20 A | Heated seats |
Engine compartment fusebox:
| Fuse N° | Rating | Functions |
| F1 | 20 A | ECU engine management - Cooling fan |
| F2 | 15 A | Warning |
| F3 | 10 A | Windscreen and rear screen wash |
| F4 | 20 A | Headlamp washer |
| F5 | 15 A | Fuel pump |
| F6 | 10 A | Auto. - Xenon lamps - Directional headlamps - Canister purge electrovalve (2.0 16V engine) |
| F7 | 10 A | ABS ECU/ESP ECU - Power steering |
| F8 | 25 A | Starter |
| F9 | 10 A | Additional heating control unit (Diesel) - Engine coolant level switch |
| F10 | 30 A | Engine electrovalve - Water-in-diesel-fuel sensor - ECU engine management - Injectors - Ignition coil - Oxygen sensor - Canister purge electrovalve (1.4 16V and 1.6 16V engines) |
| F11 | 40 A | Air blower - Air conditioning |
| F12 | 30 A | Windscreen wiper |
| F13 | 40 A | Built-in Systems Interface |
| F14 | - | Not used. |
| F15 | 10 A | Right hand main beam |
| F16 | 10 A | Left hand main beam |
| F17 | 15 A | Left hand dipped beam |
| F18 | 15 A | Right and dipped beam |
| F19 | 15 A | Engine management ECU (1.4i 16V and 1.6i 16V engines) |
| F20 | 20 A | Engine electrovalves |
| F21 | 5 A | Cooling fans relay - Valvetronic |
Batery fuses:
| Fuse N° | Rating | Functions |
| F1 | - | Not used |
| F2 | 30 A | Gearbox (electronic or automatic) |
| F3 | - | Not used |
| F4 | - | Not used |
| F5 | 80 A | Power steering electro-pump unit |
| F6 | 70 A | Heater unit (Diesel) |
| F7 | 100 A | Switching and protection unit |
| F8 | - | Not used |
| F9 | 30 A | Electronic gearbox electro-pump unit |
| F10 | 30 A | Valvetronic electronic motor |
Maxi fuses:
| Fuse N° | Rating | Functions |
| MF1 | 30 A/50 A | |
| MF2 | 30 A | ABS/ESP pump supply |
| MF3 | 50 A | ABS/ESP ECU |
| MF4 | 80 A | Built-in Systems Interface |
| MF5 | 80 A | Built-in Systems Interface |
| MF6 | 80 A | Cabin fusebox |
| MF7 | 20 A | Diagnostic socket/FAP additive pump |
| MF8 | - | Not used |
