The electrical circuits of the French hatchback are protected by fuses. Powerful consumers are connected via relays. Most of the protective elements are located in the mounting blocks located in the passenger compartment and under the hood.
The information on the diagrams is relevant for the 2nd generation Citroen C4 models (sedan and B7 hatchback) 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 model year.
In the engine compartment
Main fuse box
Located near the battery.
General view.
Diagram
No.
Description
A
F1
Engine and Power Control Module
15
F2
Two speed cooling fan
5
F3
Engine control module
5
F4
5
F5
Engine and air intake fan control module
15
F6
Engine control module
20
Fuel pump with level sensor
F7
Engine control module
10
F8
10
F10
Clutch switch
5
Automatic transmission control module
Headlights
F11
Clutch switch
5
Automatic transmission control module
Headlights
F12
ABS system
5
F15
Diagnostic socket
20
Power steering
Coolant level sensor
Fuel additive pump
BSI
F17
Diagnostic socket
20
Power steering
Coolant level sensor
Fuel additive pump
BSI
F19
Low / high speed of the windshield wiper
30
F20
Windshield washer pump
15
F21
Headlight washer pump
20
F22
Horn
15
F23
Right halogen high beam headlamp
15
F24
Left halogen high beam headlamp
15
F26
Air conditioning compressor
10
A / C Compressor Clutch
Or
Air conditioning compressor
F27
Left headlight
5
F28
Right headlight
5
F29
Starter
25
F30
Engine control module
30
Additional fuse panel
Located on the side at the bottom of the main unit.
No.
Decoding
A
F8
Power steering pump / Manual transmission
30
F10
Automatic transmission
5
F11
Switch lock relay
5
F12
Automatic transmission
15
F18
Selector lever
5
On the battery
High-power fuse-links are located here.
Diagram
No.
Description
A
FL9
BSI (Intelligent Power Distribution Module)
60
FL10
Power steering
80
FL11
Gearbox control module
30
FL12
Cooling fan motor
60
FL13
BSI (Intelligent Power Distribution Module)
60
FL14
Glow plugs
70
FL15
Relay protection relay box 3
100
FL16
-
1
-
2
-
3
Battery condition sensor
5
4
Electronic gearbox control unit
5
5
diagnostic connector (DLC)
5/15
6
Electronic gearbox control unit
15
7
ABS and ESP systems
5
8
Rear 12V socket
20
In the passenger compartment
Main fuse box
Located on the driver's side of the dashboard, behind a plastic cover.
To access the board, remove the cover from the latches by pulling it from the upper part on the right, then on the left, and dismantle the cover completely.
Assignment of the fuses in the passenger compartment Citroen C4
No.
Decoding
A
F2
Diagnostic connector
7.5
F3
Ignition switch
3
or
Anti-theft device or "START / STOP" system button
F4
Telematics control unit
5
F5
Tire pressure monitor
3
or
Remote control key
F6A
Radio cassette
15
F6B
F7
Salon mounting block
15
or
Hands-free start assist electronics
F8
Siren and alarm processor
3
F9
Steering control buttons
3
F11
ESP control module
5
F12
Brake pedal switch
15
F13
Front cigarette lighter Citroen C4 / 12V socket.
10
F14
Cigarette lighter and 12V socket in trunk
10
F16
Multifunctional large glove compartment lighting, tail lights, glove box lighting.
3
F17
Sun visor illumination, front individual lights.
3
F19
Dashboard
3
F21
Multifunction switch
10
Multiplex control unit
or
Car radio and air conditioning control.
F22
Parktronic
10
Dashboard
Multifunctional display
F23
Fuse box No. 1 in the engine compartment
5
F24
Rain and light sensor
3
F25
Block of airbags and pyrotechnic tensioners
3
F26
Salon mounting block
15
F27
Brake pedal switch
3
F28
Car radio, autoradio (additional equipment).
15
F29
Steering wheel control buttons
3
F30
Rear window cleaner.
20
F32
central locking
30
F32
Hi-Fi amplifier.
10
F35
Seat belts
3
Power steering relay
F37
Headlight adjustment
3
Rearview mirror / wipers
Heater control unit
F38
Electrochromic rearview mirror / Headlight range control switch
3
BFH3 fuse panel
Below the main unit is the BFH3 panel.
Diagram
No.
Decoding
A
F1
heated rear window
40
F2
electrically heated mirrors
7.5
F3
fuse box in the passenger compartment
5A for the taxi version
15
F4
12 V socket for multimedia equipment
15
F5
rear window lift motors
30
F6
electric motors for front glass lifts
30
F7
heated seats
2
F8
air conditioner fan
20
F9
electric boot lid
30
F10
left seat belt reel
40
F11
trailer switch box
5
F12
electric driver's seat and massage device
30
F13
right seat belt reel
40
F14
Reinstallation of the handle - Electric passenger seat - Seat massage devices
30
F15
electric sunroof blinds
25
F16
multiplex control board glass lifter / outside rearview mirror driver's door
5
F17
unit for lighting and memory of the position of external rear-view mirrors