ECU CITROEN C5 2019 Service Manual

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Access to the spare wheel
Removing the boot floor
F Saloon: raise the boot floor and fold in two.
F T ourer : raise the boot floor and hook it
using the retractable handle. Secure the
hook to the top part of the boot.
Removing the standard spare
wheel
F Detach the strap, then push the wheel for wards so as to be able to lift it.
Repositioning the standard spare
wheel
F Position the spare wheel flat in the boot, then pull it towards you.
F

N
ext place the toolbox inside the wheel,
then secure the assembly using the strap.
Removing the "space-saver"
spare wheel
F Unscrew the central nut.
F R emove the fixing parts (nut and bolt).
F

T
ake the spare wheel from the rear and lift
it towards you.
F

R
emove the wheel from the boot.
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The tyre pressures are indicated on the
label located on the left-hand centre
door pillar.
Tyre pressures are given on this label
for different vehicle loading conditions.Repositioning the "space-saver"
spare wheel
F Return the spare wheel to its housing above the toolbox.
F

U
nscrew the nut on the bolt by a few turns.
F

P
lace the fixing parts (nut and bolt) in the
middle of the wheel.
F

T
ighten the central nut until it clicks to
secure the wheel.
Repositioning the boot floor
F Release the boot floor to return it to its initial position.
8
In the event of a breakdown

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Removing a wheel
F Park the vehicle on stable, firm ground that is not slippery. Apply the parking brake.
F

I
f your vehicle is equipped with
"Hydractive
III+" suspension, with the
engine running at idle, adjust the ground
clearance to its maximum height.
F

S
witch off the ignition and engage first gear
(position P for an automatic gearbox).
F

I
f your vehicle is fitted with "Hydractive III+"
suspension, position the chock, whichever
direction the gradient may be in, in front of
the front wheel diametrically opposite to
the one to be replaced.
List of operations
F Remove the protector from each bolt using tool 3 .
F

F
it the security bolt socket to the
wheelbrace to slacken the security bolt
(depending on equipment).
F

S
lacken the other bolts using just the
wheelbrace 1 .
Before positioning the jack:
F

A

lways adjust the vehicle’s ground
clearance to the "maximum height"
position and retain this adjustment
for as long as the jack is under the
vehicle (do not use the hydraulic
adjustments),
F

E

nsure that any passengers have
left the vehicle and are in a safe
place.
Never go underneath the vehicle if it is
supported only by the jack.
The jack and all of the tools are specific
to your vehicle. Do not use them for any
other purposes.
Have the original wheel repaired and
refitted as soon as possible.
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List of operations
Fitting a wheel
Wheel for temporary use
Your vehicle may be fitted with a spare wheel
which is different to those on the vehicle. When
fitting the spare wheel, it is normal to notice
that the wheel bolt washers do not come into
contact with the wheel rim. The spare wheel is
secured by the conical tapering of the wheel
bolt’s shaft.
When refitting the original wheel, ensure that
the wheel bolt contact sur faces are clean and
in good condition. F

L
ower the vehicle to the ground.
F

L
ower the jack 2 and remove it.
F

F
it the wheel on the hub.
F

F
it and tighten the bolts by hand.
F

P
re-tighten the security bolt using the
wheelbrace 1 fitted with the security bolt
socket (depending on equipment).
F

P
re-tighten the other bolts using just the
wheelbrace 1 .
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If your vehicle is fitted with a spare
wheel of a different size to those on the
vehicle, you must not exceed 50 mph
(80 km/h) whilst using the spare wheel.
The wheel bolts are specific to the type
of wheel.
If the type of wheel is changed,
check with your CITROËN dealer or a
qualified workshop that the wheel bolts
are compatible with the new wheels.
Take care to note down the code
number engraved on the head of the
security bolt socket. This will enable
you to obtain a replacement security
bolt socket from your dealer.
F

T

ighten the security bolt using
wheelbrace


1 fitted with the security bolt
socket (depending on equipment).
F

T

ighten the other bolts using just the
wheelbrace 1 .
F

R

efit the protectors on the bolts (depending
on equipment).
F

S

tow the tools in the carrier box.
F

R

eturn the suspension to the normal
position.
F

C

heck that the tyre pressure is correct and
have the balancing checked.Tyre under-inflation detection
The space-saver type or steel spare
wheel does not have a sensor.
The punctured wheel must be repaired
by a CITROËN dealer or a qualified
workshop.
8
In the event of a breakdown

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Rear lamps (Saloon)
Identify the failed bulb.
1. Brake lamps and sidelamps: P21W/5 W
2.
S

idelamps: R5W
3.
R

eversing lamps: H21W
4.
F

oglamps: H21W
5.
D

irection indicators: PY21WBoot lid-mounted lamps
F Refit the bulb holder H .
F C heck that the bulb holder H is secured
correctly by the two clips E .
F

R
efit the connector G .
F

R
eplace and fix the trim F with its 3 clips.
F
O
pen the boot.
F
U
sing a flat screwdriver, remove the 3 clips
which fix the trim in the lamp area.
F

P

artially remove the trim F .
F

D

isconnect the connector G .
F

U

nclip the bulb holder H .
F

R

eplace the failed bulb.
In the event of a breakdown

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Changing a fuse
The 2 fuseboxes are located below the dashboard and under the bonnet.
Replacing a fuse
Before replacing a fuse, you must:
- a scertain the cause of the fault and have it
remedied,
-

s
witch off all electrical consumers,
-

p
ark the vehicle and switch off the ignition,
-

i
dentify the failed fuse using the allocation
tables and diagrams presented on the
following pages. Good
Failed
Tw e e z e r
If the fault recurs soon after replacing the
fuse, have the electrical system checked by a
CITROËN dealer or a qualified workshop. When replacing a fuse, it is essential to:
-
u
se the special tweezer, located on the
cover close to the fusebox, to extract
the fuse from its housing and check the
condition of its filament,
-

a
lways replace a failed fuse with one of
equivalent rating (same colour); using a
different rating could cause a malfunction
(risk of fire). The replacement of a fuse not
mentioned in the tables below may
cause a serious malfunction on your
vehicle. Contact a CITROËN dealer or a
qualified workshop.CITROËN will not accept any
responsibility for the costs incurred
in repairing your vehicle or for the
malfunctions resulting from the
installation of auxiliary accessories
which were not supplied or
recommended by CITROËN and which
were not installed in accordance with
its instructions, in particular where
the current consumption of all of
the additional equipment connected
exceeds 10 milliamps.Installation of electrical
accessories
Your vehicle's electrical system is
designed to operate with standard or
optional equipment.
Before installing other electrical
equipment or accessories on your
vehicle, contact a CITROËN dealer or a
qualified workshop.
8
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Fusebox C
Fuse N°Rating Function
F1 15 ARear screen wipe (Tourer)
F2 30 ALocking and deadlocking relay
F3 5 AAirbags
F4 10 AAutomatic gearbox - Additional heater unit (Diesel) - Electrochrome rear view mirrors
F5 30 AFront windows - Sun roof - Passenger door lighting - Passenger door mirror adjustment
F6 30 ARear windows
F7 5 AVanity mirror lighting - Glove box lighting - Interior lamps - Torch (Tourer)
F8 20 AAudio system - Steering mounted controls - Screen - Under-inflation detection - Electric boot ECU
F9 30 ACigarette lighter - Front 12 V socket
F10 15 AAlarm - Steering mounted controls, lighting, signalling and wiper stalks
F11 15 ALow current anti-theft switch
F12 15 ADriver’s electric seat - Instrument panel - Seat belt not fastened warning lamps - Air conditioning controls
F13 5 AEngine relay unit - Hydraulic suspension pump cut-off relay - Airbags ECU supply
F14 15 ARain and sunshine sensor - Parking sensors - Passenger’s electric seat - Trailer relay unit - Hi-Fi amplifier ECU -
Hands-free kit - Lane Departure Warning System
F15 30 ALocking and deadlocking relay
F17 40 AHeated rear screen - Heated door mirrors
FSH SHUNTPA R K S H U NT
In the event of a breakdown

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12 V battery
Access to the battery
The battery is located under the bonnet.
For access to the (+) terminal:
F
r
elease the bonnet using the interior lever,
then the exterior safety catch,
F

r
aise the bonnet and secure it with its stay.
Protect your eyes and face before
handling the battery.
All operations on the battery must be
carried out in a well ventilated area and
away from naked flames and sources
of sparks, so as to avoid the risk of
explosion or fire.
Wash your hands after wards.
If your vehicle has an automatic
gearbox, do not try to start the engine
by pushing the vehicle.
Versions equipped with Stop & Start are
fitted with a 12 V lead-acid battery of
specific technology and specification.
Its replacement should be carried out
only by a CITROËN dealer or a qualified
workshop.
Procedure for starting the engine using another battery or charging a discharged battery.
General points
Batteries contain harmful substances
such as sulphuric acid and lead.
They must be disposed of in
accordance with regulations and must
not, in any circumstances, be discarded
with household waste.
Take used remote control batteries and
vehicle batteries to a special collection
point.
Lead-acid starter batteries
(+)
Positive terminal.
It has a quick-release clamp.
(-) Negative terminal.
As the battery negative terminal is not
accessible, a remote earth point is located
close to the battery.
8
In the event of a breakdown

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Accessories ..................................................14 4
AdBlue® additive ......................3 2, 195, 196, 200
Adjusting headlamps .................................... 13
7
Adjusting head restraints

..........................6

0, 68
Adjusting seat
........................................... 6

0, 61
Adjusting the air distribution

...........................72
A

djusting the air flow
....................................... 72
A

djusting the date
........................................... 43
A

djusting the height and reach
of the steering wheel

.................................... 65
A

djusting the seat belt height
.......................1

51
Adjusting the temperature

.............................. 72
A

djusting the time
........................................... 43
A

dvice on driving
..............................
...... 91, 180
Airbag, knee

.................................................. 15

7
Airbags
...............

............................................. 35
Airbags, curtain
..................................... 15

6, 15 8
Airbags, front................................................. 15 8
Airbags, lateral
...................................... 15

6, 15 8
Air conditioning
...............................

................12
Air conditioning, automatic

............................. 71
A

ir conditioning, digital
................................... 72
A

ir conditioning, manual
................................. 71
A

ir vents
..............................
............................70
Alarm
............................................................... 49
A

nti-lock braking system (ABS)
....................14

7
Anti-pinch
.................................................. 5

2, 79
Anti-slip regulation (ASR)..............
....... 1

48, 150
Anti-theft
..............................

...........................92
Armrest, front

.................................................. 83
A

rmrest, rear
................................................... 84
A

ssistance call
...............................
....... 146, 250
A
B
C
Battery ............................... .... 179, 192, 235 -238
Battery, charging ............................... ............237
Battery, remote control

............................. 4
7, 48
Blanking screen (snow shield)

......................18

4
Blind, panoramic sunroof

................................79
B

linds, side
...................................................... 85
Bl

ueHDi
...............................
..................195, 19 6
Bluetooth
® (hands-free) ................3 02, 303, 324
Bluetooth® (telephone) ..........................3 02, 303
Bolts, wheel security ..................................... 2
14
Bonnet
...............

............................................ 185
Boot
........

................................................... 57, 58
Boot (fittings)

...............................
.............. 86, 87
Brake discs

.................................................... 19

4
Brake lamps

...............................
...........222, 224
Brakes
........................................................... 19

4
Braking assistance system

........................... 14

7
Bulbs (changing)
...................2

18, 222, 224, 227
Audio streaming (Bluetooth
®) .......282, 283, 323
Audio system
............................... ...........116, 315
Auxiliary
........................................................ 28

2Cable, audio ..................................................
28 2
Cable, jack .............................. ......................282
Capacity, fuel tank

..............................
..........175
Cap, fuel filler

................................................17

5
CarPlay
® connection ..................................... 2 97
CD, MP3 ........................................ 2 82, 321, 322
Central locking

.......................................... 4
5, 54
Changing a bulb
....................2

18, 222, 224, 227
Changing a fuse
............................................ 2

29
Changing a wheel

...............................
..........2 11
Changing a wiper blade

................................ 14

3
Changing the remote control battery
........................................................... 47
C

HECK
................
............................................ 20
Checking the engine oil level

..........................24
C

hecking the levels
....................... 1
88, 190, 191
Checking tyre pressures (using the kit)

........20

4
Checks
...............

................... 186, 187, 192, 194
Child lock

...............................
.................. 52, 173
Children
...............................

.......... 166, 171, 172
Child seats

.................... 1
53, 159 -161, 165, 168
Child seats, conventional
...................... 16

5, 166
Child seats, ISOFIX

.......................1
69, 171, 172
C
ITROËN
C
onnect Box
............................... 25

0
C
ITROËN
L
ocalised Emergency Call........... 250
Closing the boot

...............................
...............45
Closing the doors

...............................
....... 45, 54
Compressor, tyre inflation

............................ 20

4
Configuration, vehicle
..................1

5, 37, 41, 326
Connection, Bluetooth
® .........................3 02, 303
Connection, MirrorLink® ........................2 92, 294
Control, electric windows ................................ 52
C
ontrol, emergency boot release
................... 57
.
Alphabetical index