
Citroën C4 Picasso 2010 Fuse Box Info
Passenger compartment fuse box location:

The fuse box is located at the left side of the steering column at the bottom of the instrument panel.
Engine compartment fuse box location:

Fuse Box Diagram | Layout
Passenger compartment fuse box (Fuse box 1):
| Fuse/Relay N° | Rating | Functions | 
| 1 | 15A | Rear screen wipe | 
| 2 | 30A | Locking and unlocking earth | 
| 3 | 5A | Airbags and pretensioners | 
| 4 | 10A | Multimedia, photochromatic rear view mirror, particle filter, diagnostic socket, air conditioning, manual headlamp height adjustment | 
| 5 | 30A | Front windows, front door electronic control panel, panoramic sunroof | 
| 6 | 30A | Rear windows | 
| 7 | 5A | Interior lamps, refrigerated glovebox, radio | 
| 8 | 20A | Multifunction screen, radio, steering mounted controls, multimedia, under inflation detection, alarm, trailer | 
| 9 | 30A | Multimedia, front 12 V sockets, torch, radio | 
| 10 | 15A | Height corrector (suspension) | 
| 11 | 15A | Brake switch, ignition switch | 
| 12 | 15A | Parking sensors, automatic wipers and lighting, passenger’s electric seat, lane departure warning system, Hi-Fi amplifier, trailer | 
| 13 | 5A | Engine relay unit (BSM), driver’s electric seat | 
| 14 | 15A | Air conditioning, Bluetooth ® hands-free system, automatic gearbox selector lever, airbags, instrument panel | 
| 15 | 30A | Locking and unlocking | 
| 16 | - | SHUNT | 
| 17 | 40A | Heated rear screen | 
Passenger compartment fuse box (Fuse box 2):
| Fuse/Relay N° | Rating | Functions | 
| 29 | 20A | Heated seats | 
| 30 | - | Not used | 
| 31 | 40A | Trailer relay unit | 
| 32 | 15A | Rear 12 V socket | 
| 33 | 5A | Parking sensors, automatic wipers and lighting, passenger’s electric seat, lane departure warning system, Hi-Fi amplifier | 
| 34 | 5A | Trailer | 
| 35 | - | Not used | 
| 36 | 20A | Hi-Fi amplifier | 
| 37 | 10A | Air conditioning, lighting pack | 
| 38 | 30A | Driver’s electric seat | 
| 39 | 5A | Fuel filler flap | 
| 40 | 30A | Passenger’s electric seat, panoramic sunroof | 
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 20A | Engine management | 
| 2 | 15A | Horn | 
| 3 | 10A | Screenwash pump | 
| 4 | 20A | Headlamp wash pump | 
| 5 | 15A | Engine components | 
| 6 | 10A | Xenon dual-function directional headlamps, automatic headlamp height adjustment, clutch switch, protection switch box (BCP) | 
| 7 | 10A | Automatic gearbox, engine coolant level switch, power steering | 
| 8 | 25A | Starter motor | 
| 9 | 10A | Stop lamp switch | 
| 10 | 30A | Engine components | 
| 11 | 40A | Rear blower | 
| 12 | 30A | Screen wipe | 
| 13 | 40A | BSI (Built-in Systems Interface) | 
| 14 | 30A | Air pump, heat exchange saver | 
| 15 | 10A | Right-hand main beam | 
| 16 | 10A | Left-hand main beam | 
| 17 | 15A | Left-hand dipped beam | 
| 18 | 15A | Right-hand dipped beam | 
| 19 | 15A | Engine components | 
| 20 | 10A | Engine components | 
| 21 | 5A | Cooling fan relay | 
Fuses on the battery:
| Fuse/Relay N° | Rating | Functions | 
| 1 | 5A | Automatic gearbox actuator | 
| 2 | 5A | Stop switch | 
| 3 | 5A | Battery charge estimation ECU | 
| 4 | 20A | ESP supply | 
| 5 | 5A | ESP supply | 
| 6 | 20A | ECU for 6-speed electronic gearbox/automatic gearbox | 





