Citroen C4 (2004 – 2010) – fuse box diagram
Yesr of production: 2004, 2005, 2006, 2007, 2008, 2009, 2010
Fuse box under the dashboard
| Number | Ampere rating [A] | Function |
| F1 | 15 | Central locking |
| F2 | 30 | Central locking, deadlocking |
| F3 | 5 | Airbags and pretensioners |
| F4 | 10 | 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 | Electric front windows, heated exterior rear view mirrors |
| F6 | 30 | Electric rear windows |
| F7 | 5 | Interior lighting |
| F8 | 20 | Audio system, NaviDrive, display, alarm, front 12V socket, trailer relay unit, driving school module |
| F9 | 30 | Cigar lighter, rear 12V socket |
| F10 | 15 | Tyre pressure sensor – Auto, STOPLAMP switch |
| F11 | 15 | Ignition, diagnostic socket, particle filter |
| F12 | 15 | Electric seat, lane wandering alert, parking assistance |
| F13 | 5 | Rain sensor, sunlight sensor, (6 speed) Electronic Gearbox System, engine relay unit |
| F14 | 15 | Air conditioning, instrument panel, tachometer, airbags and pretensioners, trailer relay unit, bluetooth telephone |
| F15 | 30 | Central locking, deadlocking |
| F16 | SHUNT | |
| F17 | 40 | Heated rear screen |
| Number | Ampere rating [A] | Function |
| F36 | 20 | Hi Fi amplifier |
| F37 | 30 | Front left hand electric seat |
| F39 | 20 | Heated seats |
Fuse box in engine compartment
| Number | Ampere rating [A] | Functions |
| F1 | 20 | ECU engine management, cooling fan |
| F2 | 15 | Warning |
| F3 | 10 | Windscreen and rear screen wash |
| F4 | 20 | Headlamp washer |
| F5 | 15 | Fuel pump |
| F6 | 10 | Auto, Xenon lamps, directional headlamps, canister purge electrovalve (2.0 16V engine) |
| F7 | 10 | ABS ECU/ESP ECU, power steering |
| F8 | 20 | Starter |
| F9 | 10 | Additional heating control unit (Diesel), engine coolant level switch |
| F10 | 30 | 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 | Air blower, air conditioning |
| F12 | 30 | Windscreen wiper |
| F13 | 40 | Built-in Systems Interface |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
