Citroën C4 (2004-2010) – fuse and relay box
Diagrams of fuse boxes and relays – Citroën C4
Applies to vehicles manufactured in the years:
2004, 2005, 2006, 2007, 2008, 2009, 2010.
The Citroën C4 cigarette lighter is fuse number fuses F8 (front 12 V socket) and F9 (cigarette lighter / rear 12 V socket) in the instrument panel fuse box.
2004-2007
Fuse boxes on the dashboard
Left-hand drive vehicles:
Located in the lower (left-hand side) dashboard.
Right-hand drive vehicles:
To access the fuses under the dashboard, pull back the access cover, unscrew the screws a quarter of a turn, and tilt the entire unit.
Dashboard fuse box 1
Fuse assignment in the instrument panel fuse box 1 (2004)
| Number | Amperes [A] | Functions |
|---|---|---|
| F1 | 15 A. | Central lock |
| F2 | 30 A. | Central lock;
Deadlocking. |
| F3 | 5 A. | Airbags and pretensioners |
| F4 | 10 A. | Diagnostic socket;
Brake switch; Photochromic mirror; ESP; Coolant level sensor; Diesel additive system; Power steering; Clutch pedal switch (ESP, cruise control and speed limiter). |
| F5 | 30 A. | Electric windshields;
Heated door mirrors. |
| F6 | 30 A. | Electric rear windows |
| F7 | 5 A. | Indoor lighting |
| F8 | 20 A. | Audio system;
NaviDrive; Display; Alarm; Front 12V socket; Trailer relay; Driving school module. |
| F9 | 30 A. | Lighter;
Rear 12V socket. |
| F10 | 15 A. | Tire pressure sensor;
STOP LAMP switch. |
| F11 | 15 A. | Ignition;
Diagnostic socket; Particulate filter. |
| F12 | 15 A. | Electric seat;
Lane Change Warning; Parking aid. |
| F13 | 5 A. | Rain sensor;
Sun sensor; Electronic gearbox (6 speeds); Engine relay module. |
| F14 | 15 A. | Air conditioning;
Instrument panel; Tachometer; Airbags and belt tensioners; Trailer relay; Bluetooth phone. |
| F15 | 30 A. | Central lock;
Deadlocking. |
| F 16 | SIDING | |
| F17 | 40 A. | Heated rear window |
Dashboard fuse box 2
Fuse assignment in the dashboard fuse box 2
| Number | Amperes [A] | Description |
|---|---|---|
| F36 | 20 A. | Hi-Fi amplifier |
| F37 | 30 A. | Front left electric seat |
| F39 | 20 A. | Heated seats |
Engine compartment
Arrangement of fuses in the engine compartment
| Number | Amperes [A] | Description |
|---|---|---|
| F1 | 20 A. | ECU engine control;
Cooling fan |
| F2 | 15 A. | Warning |
| F3 | 10 A. | Windscreen and rear window washers |
| F4 | 20 A. | Headlight washer |
| F5 | 15 A. | Fuel pump |
| F6 | 10 A. | Automatic;
Xenon lamps; Directional headlamps; Canister purge solenoid valve (2.0 16V engine). |
| F7 | 10 A. | ABS ECU / ESP ECU;
Power steering. |
| F8 | 20 A. | Starter |
| F9 | 10 A. | Additional heating control unit (Diesel);
Engine coolant level switch. |
| F10 | 30 A. | Engine solenoid valve;
Diesel water sensor; ECU engine management; Injectors; The ignition coil; Oxygen sensor; Canister purge solenoid valve (1.4 16V and 1.6 16V engines). |
| F11 | 40 A. | Air blower;
Air conditioning. |
| F12 | 30 A. | Wipers |
| F13 | 40 A. | Built-in system interface |
| F14 | 30 A. | Air pump (2.0i 16V engine) |
2008-2010
Left-hand drive vehicles:
Located in the lower (left-hand side) dashboard.
Right-hand drive vehicles:
To access the fuses under the dashboard, pull back the access cover, unscrew the screws a quarter of a turn, and tilt the entire unit.
Dashboard fuse box 1
Fuse assignment in the dashboard Fuse box 1
| Number | Amperes [A] | Description |
|---|---|---|
| F1 | 15 A. | Wiping the rear screen |
| F2 | 30 A. | Central lock;
Deadlocking. |
| F3 | 5 A. | Airbags and pretensioners |
| F4 | 10 A. | Diagnostic socket;
Brake switch; Photochromic mirror; ESP; Coolant level sensor; Diesel fuel additive; Clutch pedal switch (ESP, cruise control and speed limiter). |
| F5 | 30 A. | Windshields, heated exterior rearview mirrors |
| F6 | 30 A. | Rear windows |
| F7 | 5 A. | Indoor lighting |
| F8 | 20 A. | Multifunction screen, radio, steering wheel controls;
Displays; Alarm; 12 V socket on the front; Trailer; Driving school module. |
| F9 | 30 A. | Lighter;
Rear 12 V socket |
| F10 | 15 A. | Detection of deflation;
Automatic Transmission; STOP switch. |
| F11 | 15 A. | Ignition switch;
Diagnostic socket; Particulate filter. |
| F12 | 15 A. | Electric seat;
Lane Departure Warning System; Parking aid. |
| F13 | 5 A. | Rain sensor;
Brightness sensor; Electronic gearbox system (6 speed); Engine relay module. |
| F14 | 15 A. | Air conditioning;
Instrument panel; Tachometer; Airbags and pretensioners; Trailer; Bluetooth® telephone. |
| F15 | 30 A. | Central lock;
Deadlocking. |
| F 16 | – | SIDING |
| F17 | 40 A. | Heated rear window |
Dashboard fuse box 2
Fuse assignment in instrument panel fuse box 2 (2008, 2009, 2010)
| Number | Amperes [A] | Description |
|---|---|---|
| F36 | 30 A. | Hi-Fi amplifier |
| F37 | 30 A. | Electric driver’s seat |
| F39 | 20 A. | Heated seats |
Engine compartment
Arrangement of fuses in the engine compartment
| Number | Amperes | Description |
|---|---|---|
| F1 | 20 A. | Engine management control unit;
Cooling fan. |
| F2 | 15 A. | Horn |
| F3 | 10 A. | Windshield and rear window washer |
| F4 | 20 A. | Headlight washer |
| F5 | 15 A. | Fuel pump |
| F6 | 10 A. | Automatic Transmission;
Xenon headlamps; Directional headlamps; Canister discharge solenoid valve. |
| 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 solenoid valve;
Diesel water sensor; Motor controller; Injectors; The ignition coil; Oxygen sensor; Canister outlet solenoid valve (1.4i 16V and 1.6i 16V engines). |
| F11 | 40 A. | Air blower;
Air conditioning. |
| F12 | 30 A. | Windshield wiper |
| F13 | 40 A. | Embedded System Interface (BSI) |
| F14 | – | Not used |
| F15 | 10 A. | Right high beam |
| F 16 | 10 A. | Left high beam |
| F17 | 15 A. | Left dipped beam |
| F18 | 15 A. | Right dipped beam |
| F19 | 15 A. | Motor controller (1.4i 16V and 1.6i 16V engines) |
| F20 | 10 A. | Engine solenoid valve |
| F21 | 5 A. | Cooling fan relay;
Valvetronic. |
Fuses on the battery
Assignment of fuses on the battery
| Number | Amperes [A] | Description |
|---|---|---|
| F1 | – | Not used |
| F2 * | 30 A. | Transmission (electronic or automatic system) |
| F3 | – | Not used |
| F4 | – | Not used |
| F5 * | 80 A. | Power steering electropump assembly |
| F6 ′ | 70 A. | Heating unit (diesel) |
| F7 * | 100 A. | Switching and protection unit |
| F8 | – | Not used |
| F9 * | 30 A. | Electronic gearbox electropump |
| F10 * | 30 A. | Valvetronic electric motor |
| MF1 * | 30 A / 50 A | Cooling fan |
| MF2 * | 30 A. | ABS / ESP pump power supply |
| MF3 * | 50 A. | ABS / ESP control unit |
| MF4 * | 80 A. | Built-in system interface |
| MF5 * | 80 A. | Built-in system interface |
| MF6 * | 80 A. | Fuse box in passenger compartment |
| MF7 * | 20 A. | Diagnostic socket / PEF additive pump |
| MF8 * | – | Not used |
| * Maxi fuses provide additional protection for electrical installations. All work on these fuses must be carried out by CITROËN technicians. |