Citroën C4 2009 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 | Rear screen wipe |
| 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 additive - Clutch pedal switch (ESP, cruise control and speed limiter) |
| F5 | 30 A | Front windows, Heated exterior rear view mirrors |
| F6 | 30 A | Rear windows |
| F7 | 5 A | Interior lighting |
| F8 | 20 A | Multifunction screen, radio, steering wheel controls, Displays - Alarm - Front 12 V socket - Trailer unit - Driving school module |
| F9 | 30 A | Cigar lighter - Rear 12V socket |
| F10 | 15 A | Deflation detection - Automatic gearbox - STOP switch |
| F11 | 15 A | Ignition switch - Diagnostic socket - Particle fi lter |
| F12 | 15 A | Electric seat - Lane departure warning system - Parking assistance |
| F13 | 5 A | Rain sensor - Brightness sensor - Electronic gearbox system (6-speed) - Engine relay unit |
| F14 | 15 A | Air conditioning - Instrument panel - Rev counter - Airbags and pretensioners - Trailer 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 | Driver's electric seat |
| F39 | 20 A | Heated seats |
Engine compartment fusebox:
| Fuse N° | Rating | Functions |
| F1 | 20 A | Engine management control unit - Cooling fan |
| F2 | 15 A | Horn |
| F3 | 10 A | Front and rear screen wash |
| F4 | 20 A | Headlamp washer |
| F5 | 15 A | Fuel pump |
| F6 | 10 A | Automatic gearbox - Xenon headlamps - Directional headlamps - Canister discharge electrovalve |
| F7 | 10 A | ABS control unit/ESP control unit - Power steering |
| F8 | 25 A | Starter |
| F9 | 10 A | Additional heating unit (Diesel) - Engine coolant level switch |
| F10 | 30 A | Engine electrovalve - Water in diesel sensor - Engine management control unit - Injectors - Ignition coil - Oxygen sensor - Canister discharge electrovalve (1.4i 16V and 1.6i 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 | 10 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 system electropump assembly |
| F10 | 30 A | Valvetronic electronic motor |
Maxi fuses:
| Fuse N° | Rating | Functions |
| MF1 | 30 A/50 A | Cooling fan |
| 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 | Passenger compartment fuse box |
| MF7 | 20 A | Diagnostic socket/PEF additive pump |
| MF8 | - | Not used |
