2004-2010 Citroën C4 fuse box diagram

Discover the fuse box layouts for the initial iteration of the first-generation Citroën C4, manufactured between 2004 and 2010. Uncover detailed diagrams depicting the placement of fuse panels within the vehicle, alongside comprehensive insights into the purpose of every individual fuse.

The Cigar lighter (power outlet) fuses are the fuses F8 (Front 12V socket) and F9 (Cigar lighter / Rear 12V socket) in the Instrument panel fuse box.

[2004]

Engine compartment

Fuse Number	Fuse Amp 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	20 A	Starter
F9	10 A	Additional heating control unit (Diesel) – Engine coolant level switch
F10	30 A	Auto. – Xenon lamps – Directional headlamps – Canister purge electro valve (2.0 16V engine)
F11	40 A	Air blower – Air conditioning
F12	30 A	Windscreen wiper
F13	40 A	Built-in Systems Interface
F14	30 A	Air pump (engine 2.0i 16V)

Fuses in the Dashboard

Fuse box 1

Fuse Number	Fuse Amp 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 box 2

Fuse Number	Fuse Amp Rating	Functions
F36	20 A	Hi Fi amplifier
F37	30 A	Front left hand electric seat
F39	20 A	Heated seats

[2008/2009/2010]

Engine compartment

Fuse Number	Fuse Amp 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 wash
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 motor
F9	10 A	Additional heating unit (Diesel) – Engine coolant level switch
F10	30 A	Engine electro valve – Water in diesel sensor – Engine management control unit – Injectors -Ignition coil – Oxygen sensor – Canister discharge electro valve (1.4i 16V and 1.6i 16V engines)
F11	40 A	Air blower – Air conditioning
F12	30 A	Windscreen wipe
F13	40 A	Built-in Systems Interface (BSI)
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-hand dipped beam
F19	15 A	Engine management control unit (1.4i 16V et 1.6i 16V engines)
F20	10 A	Engine electrovalve
F21	5 A	Cooling fan relay – Valvetronic

Fuses on the battery

Fuse Number	Fuse Amp Rating	Functions
F1	–	Not used
F2*	30 A	Gearbox (electronic system or automatic)
F3	–	Not used
F4	–	Not used
F5*	80 A	Power steering electro pump assembly
F6‘	70 A	Heating unit (Diesel)
F7*	100 A	Switching and protection unit
F8	–	Not used
F9*	30 A	Electronic gearbox system electro pump assembly
F10*	30 A	Valvetronic electric motor
MF1*	30 A / 50 A	Cooling fan
MF2*	30 A	ABS/ESP pump supply
MF3*	50 A	ABS/ESP control unit
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
		* The maxi-fuses provide additional protection for the electrical systems. All work on these fuses must be carried out by CITROËN technicians.

Fuses in the Dashboard

Fuse box 1

Fuse Number	Fuse Amp 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	Lighter – Rear 12 V socket
F10	15 A	Deflation detection – Automatic gearbox – STOP switch
F11	15 A	Ignition switch – Diagnostic socket – Particle filter
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 box 2

Fuse Number	Fuse Amp Rating	Functions
F36	30 A	Hi-Fi amplifier
F37	30 A	Driver’s electric seat
F39	20 A	Heated seats

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