Citroen C4 PICASSO 2009 1.G Owner's Manual

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Rear lamps (C4 Picasso)

1. Direction indicators
(PY21 W)

2. Stoplamps/sidelamps
(P21/5 W)

3. Reversing lamp (P21 W
)
 Identify the bulb that is faulty.

 With the boot open, press on the
plastic cover A , located close
to the lens, to release it from its
housing.

 Undo the two screws B on the
side of the lens and detach the
lamp by pulling it rearwards.

 Disconnect the connector linking
the lens unit with the tailgate.

 Remove the bulb-holder.

 Replace the bulbs.
To remove a bulb, rotate it a quarter turn.
To refi t the bulb, rotate it a quar- ter turn in the other direction.

 Reposition the bulb-holder.

 Reconnect the connector to the
lens unit.
Lamps mounted on the
bodywork

 Identify the bulb that is faulty.

 With the boot open, remove the
plastic cover on the tailgate.

 Remove the bulb-holder from its
housing.

 Replace the bulb.
To remove a bulb, rotate it a quarter turn.
To refi t the bulb, rotate it a quar- ter turn in the other direction.

 Reposition the bulb-holder.

 Refi t the plastic cover.
Lamps mounted on the tailgate


 Refi t the lamp unit on the body
and do up the two screws.

 Reposition the plastic cover by
pressing on it.

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Rear lamps
(Grand C4 Picasso)

1. Direction indicators
(PY21 W)

2. Stoplamps (P21 W)

3. Reversing lamp
(P21 W)

4. Sidelamps (diodes)
For this type of lamp, contact a CITROËN dealer. Changing lamps

 Identify the bulb that is faulty.

 With the tailgate open, undo the
3 screws located on the side of
the lens unit and pull it rearwards
to detach.

 Disconnect the connector linking
the lens unit to the boot. Do not
disconnect the diodes.

 Remove the seal.

 Remove the bulb-holder.

 Replace the bulbs.
To remove a bulb, rotate it a quarter turn.
To fi t the bulb, rotate it a quarter turn in the other direction.

 Reposition the bulb-holder.

 Put back the seal.

 Reconnect the connector to the
lens unit.

 Stow the harness in the opening
provided in the body.

 Refi t the lens unit to the body
and do up the 3 screws.

Number plate lamps (W 5 W)

 Insert a thin screwdriver into one
of the external holes of the lens.

 Push it outwards to unclip it.

 Remove the lens.

 Change the faulty bulb.

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Third brake lamp with bulb
(W 5 W)

 With the boot open, detach the
interior trim.

 Undo the nuts.

 Using a thin screwdriver, detach
the 3 retaining lugs.

 Remove the lamp via the exte-
rior of the tailgate.

 Remove the bulb-holder.

 Change the faulty bulb(s).
To refi t, carry out these operations in
reverse order.

Third brake lamp (diodes)
For the replacement of this type of
diode lamp, contact a CITROËN
dealer. Interior lighting
Interior lamp (1/W 5 W)
Detach the cover of the interior lamp

1 with a thin screwdriver, close to the
button, to access the faulty bulb.
Map reading lamps (2/W 5 W)
Detach the cover of the interior lamp.
To access the faulty bulb, detach the
partition for the reading lamp 2 con-
cerned, as necessary. Boot lamps (W 5 W)
Detach the unit by pushing it rear-
wards.
Torch (Krypton 3.6 V)

 Open the tab.

 Push with a fl at screwdriver in
the hole under the tab and re-
cover the bulb unit.

 Open the bulb unit fully to change
the bulb.

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Third brake lamp with bulb
(W 5 W)

 With the boot open, detach the
interior trim.

 Undo the nuts.

 Using a thin screwdriver, detach
the 3 retaining lugs.

 Remove the lamp via the exte-
rior of the tailgate.

 Remove the bulb-holder.

 Change the faulty bulb(s).
To refi t, carry out these operations in
reverse order.

Third brake lamp (diodes)
For the replacement of this type of
diode lamp, contact a CITROËN
dealer. Interior lighting
Interior lamp (1/W 5 W)
Detach the cover of the interior lamp

1 with a thin screwdriver, close to the
button, to access the faulty bulb.
Map reading lamps (2/W 5 W)
Detach the cover of the interior lamp.
To access the faulty bulb, detach the
partition for the reading lamp 2 con-
cerned, as necessary. Boot lamps (W 5 W)
Detach the unit by pushing it rear-
wards.
Torch (Krypton 3.6 V)

 Open the tab.

 Push with a fl at screwdriver in
the hole under the tab and re-
cover the bulb unit.

 Open the bulb unit fully to change
the bulb.

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CHANGING A FUSE
Operating procedure for replacing a
faulty fuse with a new fuse to rectify
a failure of the corresponding func-
tion.
There are two fuseboxes under the
dashboard, one fusebox in the en-
gine compartment and another on
the battery.
Changing a fuse
Before replacing a fuse, it is essen-
tial to fi nd the cause of the incident
and to have it rectifi ed. The fuse
identifi cation numbers are indicated
inside the fusebox.
Replace a blown fuse with one of the
same rating (the same colour). Use the special tool
A that is pro-
vided in the fuse housing fl ap, which
also contains spare fuses.

Correct Incorrect

Tool A

Access to the fi rst dashboard
fusebox
Fuses under the dashboard
Your vehicle’s electrical
system is designed to oper-
ate with either standard or
optional equipment.
Before installing electrical equip-
ment or accessories on your vehi-
cle, consult a CITROËN dealer.
CITROËN declines all responsibil-
ity for the consequences and costs
that are caused by faults or repairs
on your vehicle resulting from the
installation of accessories that
are not supplied and/or not rec-
ommended by CITROËN and not
installed according to its instruc-
tions, particularly when the energy
consumption of all of the additional
accessories connected exceeds
10 milliamperes (Ma).

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P R A C T I C A L I N F O R M A T I O N
CHANGING A FUSE
Operating procedure for replacing a
faulty fuse with a new fuse to rectify
a failure of the corresponding func-
tion.
There are two fuseboxes under the
dashboard, one fusebox in the en-
gine compartment and another on
the battery.
Changing a fuse
Before replacing a fuse, it is essen-
tial to fi nd the cause of the incident
and to have it rectifi ed. The fuse
identifi cation numbers are indicated
inside the fusebox.
Replace a blown fuse with one of the
same rating (the same colour). Use the special tool
A that is pro-
vided in the fuse housing fl ap, which
also contains spare fuses.

Correct Incorrect

Tool A

Access to the fi rst dashboard
fusebox
Fuses under the dashboard
Your vehicle’s electrical
system is designed to oper-
ate with either standard or
optional equipment.
Before installing electrical equip-
ment or accessories on your vehi-
cle, consult a CITROËN dealer.
CITROËN declines all responsibil-
ity for the consequences and costs
that are caused by faults or repairs
on your vehicle resulting from the
installation of accessories that
are not supplied and/or not rec-
ommended by CITROËN and not
installed according to its instruc-
tions, particularly when the energy
consumption of all of the additional
accessories connected exceeds
10 milliamperes (Ma).

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Fuses under the dashboard
Access to the fuses

 Open the lower glovebox.

 Undo the screw by a quarter turn
and pivot the housing. Table of fuses

Fuse N° Rating Functions

F1 15 A Rear screen wipe

F2 30 A Locking and unlocking earth

F3 5 A Airbags and pretensioners

F4 10 A Multimedia, photochromic rear view mirror, particle
fi lter, diagnostic socket, air conditioning, manual
headlamp height adjustment

F5 30 A Front windows, front door electronics control pad,
panoramic glass roof

F6 30 A Rear windows

F7 5 A Interior lamps, refrigerated glovebox, radio

F8 20 A Multifunction screen, radio, steering wheel controls,
multimedia, defl ation detection, alarm, trailer

F9 30 A Multimedia, front 12 V sockets, torch, radio

F10 15 A Height corrector (suspension)

F11 15 A Brake switch, ignition switch

F12 15 A Parking assistance, automatic screen wipe and
lighting, passenger’s electric seat, lane departure
warning system, Hi-Fi amplifi er, trailer

F13 5 A Engine relay unit (BSM), driver’s electric seat

F14 15 A Air conditioning, Bluetooth
®
hands-free kit,
automatic gearbox lever, airbags, instrument panel

F15 30 A Locking and unlocking

F16 - SHUNT

F17 40 A Heated rear screen

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Access to the second dashboard
fusebox

After any operation on the fuses
in the fusebox, check that the
fusebox cover is put back cor-
rectly for their protection. Table of fuses

Fuse N° Rating Functions

F29 20 A Heated seats

F30 - Not used

F31 40 A Trailer relay unit

F32 15 A Rear 12 V socket

F33 5 A Parking assistance, automatic screen wipe and
lighting, passenger’s electric seat, lane departure
warning system, Hi-Fi amplifi er

F34 5 A Trailer

F35 - Not used

F36 20 A Hi-Fi amplifi er

F37 10 A Air conditioning, light pack

F38 30 A Driver’s electric seat

F39 5 A Fuel fl ap

F40 30 A Passenger’s electric seat, panoramic glass roof

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Fuses in the engine
compartment
Access to the fuses

 Detach and remove the cover.

After any operation, carefully re-
close the cover. If the cover is not
correctly positioned or not prop-
erly closed, this could cause seri-
ous problems on your vehicle. For
the same reason, take care not to
spill any liquid in the fusebox.
All work on the maxi-fuses,
which are located in these
fuseboxes and which give
extra protection, must be carried
out by CITROËN technicians.

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P R A C T I C A L I N F O R M A T I O N
Table of fuses
Fuse N° Rating
Functions

F1 20 A Engine management

F2 15 A Horn

F3 10 A Screen wash pump

F4 20 A Headlamp wash pump

F5 15 A Engine components

F6 10 A Xenon dual-function directional headlamps, automatic headla
mp height adjustment,
clutch switch, protection switch box (BCP)

F7 10 A Automatic gearbox, engine coolant level switch, power steering

F8 25 A Starter motor

F9 10 A Stoplamp switch

F10 30 A Engine components

F11 40 A Rear blower

F12 30 A Screen wipe

F13 40 A Built-in Systems Interface (BSI)

F14 30 A Air pump, heat exchange saver

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 components

F20 10 A Engine components

F21 5 A Cooling fan relay

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