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

Citroën C4 (2004-2010) - fuse and relay box

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

Citroën C4 (2004-2010) - fuse and relay box

Fuse assignment in the dashboard fuse box 2

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Number Amperes [A] Description
F36 20 A. Hi-Fi amplifier
F37 30 A. Front left electric seat
F39 20 A. Heated seats

Engine compartment

Citroën C4 (2004-2010) - fuse and relay box

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

Citroën C4 (2004-2010) - fuse and relay box

Fuse assignment in the dashboard Fuse box 1

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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

Citroën C4 (2004-2010) - fuse and relay box

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

Citroën C4 (2004-2010) - fuse and relay box

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

Citroën C4 (2004-2010) - fuse and relay box

Assignment of fuses on the battery

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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.

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