Citroën C4 Picasso 2009 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, photochromic rear view mirror, particle filter, diagnostic socket, air conditioning, manual headlamp height adjustment |
| 5 | 30A | Front windows, front door electronics control pad, panoramic glass roof |
| 6 | 30A | Rear windows |
| 7 | 5A | Interior lamps, refrigerated glovebox, radio |
| 8 | 20A | Multifunction screen, radio, steering wheel controls, multimedia, deflation 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 assistance, automatic screen wipe 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 kit, automatic gearbox 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 assistance, automatic screen wipe 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, light pack |
| 38 | 30A | Driver’s electric seat |
| 39 | 5A | Fuel flap |
| 40 | 30A | Passenger’s electric seat, panoramic glass roof |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 20A | Engine management |
| 2 | 15A | Horn |
| 3 | 10A | Screen wash 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 | Stoplamp 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 |
