engine Citroen C4 2016 2.G Manual Online
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232
C4-2_en_Chap07_infos-pratiques_ed02-2015
AdBlue® additive and SCR system
f
or
Â
BlueHDi  Diesel  engines
To assure respect for the environment and c
onformity  with  the  new  Euro  6  emissions Â
s
tandard,  without  adversely  affecting  the Â
p
er formance  or  fuel  consumption  of  Diesel Â
e
ngines,  CITROËN  has  taken  the  decision  to Â
e
quip  its  vehicles  with  an  effective  system  that Â
a
ssociates  SCR  (Selective  Catalytic  Reduction) Â
w
ith  a  particle  filter  (FAP)  for  the  treatment  of Â
e
xhaust  gases.
Presentation of the SCR system
Using an additive called AdBlue® containing urea, a
Â
catalytic
Â
converter
Â
turns
Â
up
Â
to
Â
85%  of  nitrous o
xides
Â
(NOx)
Â
into
Â
nitrogen
Â
and
Â
water,  which  are
 h
armless
Â
to
Â
health
Â
and
Â
the
Â
environment.
The AdBlue® additive is held in a special
tank
Â
located
 under  the  boot  at  the  rear  of Â
t
he
Â
vehicle.
Â
It  has  a  capacity  of  17  litres:  this Â
p
rovides
Â
a
Â
driving  range  of  about  12  500  miles Â
(
20
Â
000
Â
km),
 after  which  an  alert  is  triggered Â
w
arning
Â
you
Â
when  the  reserve  remaining  is Â
e
nough
Â
for
Â
just  1  500  miles  (2  400  km).
During
Â
each
 scheduled  service  of  your  vehicle Â
b
y
Â
a
Â
CITROËN  dealer  or  a  qualified  workshop, Â
t
he AdBlue
® additive tank is refilled in order to a
llow
Â
normal  operation  of  the  SCR  system.
If
Â
the
Â
estimated  mileage  between  two  services Â
i
s
Â
greater
Â
than  12  500  miles  (20  000  km),  we Â
r
ecommend
 that  you  go  to  a  CITROËN  dealer Â
o
r
Â
a
Â
qualified  workshop  to  have  the  necessary Â
t
op-up
Â
carried  out. Once the AdBlue
® tank is empty, a s
ystem
Â
required
Â
by  regulations  prevents Â
s
tarting
Â
of
Â
the
Â
engine.
If the SCR is faulty, the level of
emissions
Â
from
Â
your  vehicle  will  no Â
l
onger
Â
meet
Â
the
Â
Euro  6  standard:  your Â
v
ehicle
Â
becomes
Â
polluting.
In
Â
the
Â
event
Â
of
Â
a
Â
confirmed  fault Â
w
ith
Â
the
Â
SCR
Â
system,  you  must  go Â
t
o
Â
a
Â
CITROËN
Â
dealer  or  a  qualified Â
w
orkshop
Â
as
Â
soon  as  possible:  after Â
a
Â
running
Â
distance  of  650  miles Â
(
1Â 100
Â
km),
Â
a
Â
system  will  be  triggered Â
a
utomatically
Â
to
Â
prevent  engine  starting.
Freezing of the AdBlue
® additive
The AdBlue
® additive freezes at
temperatures  below  around  -11°C.
The
Â
SCR
Â
system  includes  a  heater Â
f
or the AdBlue
® tank, allowing you to c
ontinue
Â
driving  in  very  cold  conditions.
Practical information
Page 237 of 396

235
C4-2_en_Chap07_infos-pratiques_ed02-2015
F Obtain a bottle of AdBlue®. After first c
hecking
Â
the
Â
use-by
Â
date,
 read  carefully Â
t
he instructions on use on the label before
pouring
Â
the
Â
contents
Â
of
Â
the  bottle  into  your Â
v
ehicle's
 Ad
Blue
® tank. F Â
A
fter  emptying  the  bottle,  wipe  away  any Â
s
pillage  around  the  tank  filler  using  a  damp Â
c
loth.
F Â
R
efit  the  blue  cap  to  the  tank  and  turn  it  a Â
6th of a turn clockwise, to its stop.
F
 R
efit  the  black  plastic  blanking  plug, Â
c
lipping  it  in  on  the  flap
F
Â
D
etach  the  cord  from  the  parcel  shelf Â
s
upport  and  lower  the  boot  floor.
Important:
Â
if
Â
your
Â
vehicle's
Â
AdBlue®
tank
Â
is
Â
completely
Â
empty
Â
-
Â
which
Â
is
Â
c
onfirmed
Â
by
Â
the
Â
alert
Â
displays
Â
and
 the Â
i
mpossibility
Â
of
Â
starting
Â
the
Â
engine
Â
- Â you Â
m
ust
Â
add
Â
at
Â
least
Â
3.8
Â
litres
Â
(so
Â
two
Â
1.89Â litre
Â
bottles). If any additive is split or splashed, wash
immediately
Â
w
ith Â
c
old Â
w
ater Â
o
r Â
w
ipe Â
w
ith Â
a
 damp  cloth.
If the additive has crystallised, clean it
off  using  a  sponge  and  hot  water.Important:
 i
n the event of a top-up
after a breakdown because of a lack
of additive ,  you  must  wait  around Â
5  minutes  before  switching  on  the Â
ig
nition,
 w
ithout opening the
driver's door, locking the vehicle,
introducing the key into the ignition
switch, or introducing the key of the
"Keyless Entr y and Star ting" system
into the passenger compartment .
Switch  on  the  ignition,  then,  after Â
10  seconds,  start  the  engine.
Never dispose of AdBlue® additive
bottles
Â
in
Â
the
Â
household
Â
waste. Â Place Â
t
hem
Â
in
Â
a
Â
special
Â
container  provided Â
t
his
 p
urpose
 o
r
 t
ake
 t
hem
 t
o
 y
our
 d
ealer.
7
Practical information
Page 240 of 396

238
C4-2_en_Chap08_en-cas-de-panne_ed02-2015
Running out of fuel (Diesel)
Other HDi engines
(except BlueHDi version)
On
Â
vehicles
Â
fitted
Â
with
Â
Diesel
Â
engines,
Â
the
Â
fuel
 s
ystem
Â
must
Â
be
Â
primed
Â
if
Â
you
Â
run
Â
out
Â
of
Â
fuel.
For all versions other than BlueHDi, refer to the
corresponding
Â
engine
Â
compartment
Â
view.
For
Â
more
Â
information
Â
on
Â
the
Â
Diesel
Â
m
isfuel
Â
prevention
Â
device,
Â
refer
Â
to
Â
the
Â
c
orresponding
 s
ection.
BlueHDi engines
If the engine does not start first time, d on't  keep  trying  but  start  the  procedure Â
a
gain  from  the  beginning. F
A
dd at least five litres of Diesel fuel to the
tank.
F Â
O
pen  the  bonnet.
F Â
I
f  necessary,  unclip  the  styling  cover  for Â
a
ccess  to  the  priming  pump.
F Â
S
queeze  and  release  the  priming  pump Â
r
epeatedly  until  resistance  is  felt  (there Â
m
ay  be  resistance  at  the  first  press).
F Â
O
perate  the  starter  to  start  the  engine Â
(
if  the  engine  does  not  start  at  the  first Â
a
ttempt,  wait  around  15  seconds  before  t
rying ag ain).
F  I f  the  engine  does  not  start  after  a  few Â
a
ttempts,  operate  the  priming  pump  again Â
t
hen  start  the  engine.
F
Â
R
efit  the  styling  cover  and  clip  it  in  place.
F
Â
C
lose  the  bonnet.
F
Â
F
ill  the  fuel  tank  with  at  least  five  litres  of Â
D
iesel.
F Â
S
witch  on  the  ignition  (without  starting  the Â
e
ngine).
F Â
W
ait  around  6  seconds  and  switch  off  the Â
ig
nition.
F Â
R
epeat  the  operation  10  times.
F Â
O
perate  the  starter  to  run  the  engine.
In the event of a breakdown
Page 242 of 396

240
C4-2_en_Chap08_en-cas-de-panne_ed02-2015
Repair procedure
F Switch off  the  ignition.
1. Sealing
F Uncoil the  white  pipe  G  f ully.
F  U nscrew  the  cap  from  the  white  pipe.
F
C
onnect the white pipe to the valve of the
tyre
 to  be  repaired. F
 C onnect  the  compressor's  electric  plug  to  t
he  vehicle's  12  V  socket.
F
Â
S
tart  the  vehicle  and  leave  the  engine Â
r
unning.
F
T
urn the selector A to the
"sealant"
 p
osition.
F
Â
C
heck
Â
that
Â
the
Â
switch
Â
B is in
position "O" .
Take
 care,  this  product  is  harmful  (e.g.
 e
thylene-glycol,  colophony...)  if  swallowed
 a
nd  causes  irritation  to  the  eyes.
Keep this product out of the reach of
children.
Avoid
Â
removing
Â
any
Â
foreign
Â
bodies
Â
w
hich
Â
have
Â
penetrated
Â
into
Â
the
Â
tyre. Do
 not  start  the  compressor  before Â
c
onnecting  the  white  pipe  to  the  tyre Â
v
alve:  the  sealant  product  would  be Â
e
xpelled  through  the  pipe.
In the event of a breakdown
Page 245 of 396

243
C4-2_en_Chap08_en-cas-de-panne_ed02-2015
Removing the cartridge
F Stow the  black  pipe.
F  D etach  the  angled  base  from  the  white  pipe.
F
Â
S
upport  the  compressor  vertically.
F
Â
U
nscrew  the  cartridge  from  the  bottom. F
Â
C
onnect  the  compressor's  electrical Â
c
onnector  to  the  vehicle's  12  V  socket.
F
Â
S
tart  the  vehicle  and  let  the  engine  run.
F
Â
A
djust  the  pressure  using  the  compressor Â
(
to  inflate:  switch  B in position "I";
Â
t
o deflate:  switch  B in position "O" and
press button C ),
 according  to  the  vehicle's Â
t
yre  pressure  label  or  the  accessory's Â
p
ressure  label.
F
Â
R
emove  the  kit  then  stow  it.
Checking tyre pressures / inflating accessories
You can also use the compressor, without injecting  any  product,  to:
-
Â
c
heck  or  adjust  the  pressure  of  your  tyres,
-
Â
i
nflate  other  accessories  (balls, Â
b
icycle tyres...).
F
T
urn the selector A to the "Air"
position.
F
Â
U
ncoil  the  black  pipe  H Â
f
ully.
F
Â
C
onnect  the  black  pipe  to  the Â
v
alve  of  the  wheel  or  accessory.
I
f necessary, fit one of the adaptors
supplied
 with  the  kit  first.
Beware
Â
of
Â
discharges
Â
of
Â
fluid.
The
Â
expiry
Â
date
Â
of
Â
the
Â
fluid
Â
is
Â
indicated
Â
o
n
Â
the
Â
cartridge.
The
Â
sealant
Â
cartridge
Â
is
Â
designed
Â
for
Â
s
ingle
Â
use;
Â
even
Â
if
Â
only
Â
partly
Â
used,
Â
it
Â
m
ust
Â
be
Â
replaced.
After
Â
use,
Â
do
Â
not
Â
discard
Â
the
Â
cartridge
Â
i
nto
Â
the
Â
environment,
Â
take
Â
it
Â
to
Â
an
Â
a
uthorised waste disposal site or a
CITROËN
Â
dealer.
Do
Â
not
Â
forget
Â
to
Â
obtain
Â
a
Â
new
Â
sealant
Â
c
artridge,
Â
available
Â
from
Â
CITROËN
Â
d
ealers
Â
or
Â
from
Â
a
Â
qualified
Â
workshop.
8
In the event of a breakdown
Page 254 of 396

252
C4-2_en_Chap08_en-cas-de-panne_ed02-2015
F Remove the  air  deflector  by  unclipping  e
ach  of  its  three  attachment  points.
F
Â
U
nclip  the  bonnet  release  cable  at  its Â
two
 fixings.
F
Â
M
ove  the  cable  down.
After
 changing  the  failed  bulb,  remember  to Â
p
ut  everything  back  in  place  (cable  and  air Â
d
eflector).
Depending
 on  the  engine  and  only  on  the  left Â
h
and  side,  you  must  first  carry  out  the  following Â
o
perations for access to the protective covers
on  the  bulbs.
Access to bulbs
Model with halogen headlamps
and LED light signature* (type 2)
1. Direction indicators (LEDs).
2. Daytime running lamps / sidelamps (LEDs).3. Dipped beam headlamps (H7).
4. M
ain beam headlamps (H7).
5.
F
o g l a m p s ( H11) .
Bulbs
 with  lugs,  type  H1,  H7...  take  care Â
t
o  position  them  correctly  to  ensure  the Â
b
est
 l
ighting.
Model with halogen headlamps
(t y p e 1)
1. Direction indicators (H21 clear).
2. Dipped beam headlamps (H7).
3.
M
ain beam headlamps (H1).
4.
D
aytime running lamps / sidelamps
(P21/5W XL).
5.
F
o g l a m p s ( H11) .Bulbs
 with  lugs,  type  H1,  H7...  take  care Â
t
o  position  them  correctly  to  ensure  the Â
b
est
 l
ighting.
*
 LED:  light  emitting  diodes.
In the event of a breakdown
Page 266 of 396

264
C4-2_en_Chap08_en-cas-de-panne_ed02-2015
Fuse N°Rating Functions
F19 30 AWindscreen
 wipers  slow  /  fast  speed.
F20 15 AFront
 and  rear  screenwash  pump.
F21 20 AHeadlamp
 wash  pump.
F22 15 AHorn.
F23 15 ARight-hand
 main  beam  headlamp.
F24 15 ALeft-hand
 main  beam  headlamp.
F27 5 ALeft-hand
 d
ipped
 h
eadlamp.
F28 5 ARight-hand
 d
ipped
 h
eadlamp.
Engine compartment fuses
The fusebox is placed in the engine compartment  near  the  battery  (left-hand  side).
Access to the fuses
F Unclip the  cover.
F  C hange  the  fuse.
For
 information  on  the  special  requirements Â
a
nd Â
p
recautions Â
t
o Â
t
ake Â
b
efore Â
c
hanging Â
a
Â
f
use, Â
r
efer  to  the  start  of  this  section.
F
W
hen you have finished, close the cover
carefully
 to  ensure  sealing  of  the  fusebox.
Fuse table
In the event of a breakdown
Page 267 of 396

265
C4-2_en_Chap08_en-cas-de-panne_ed02-2015
12 V battery
The battery is located under the  bonnet.
For  access  to  the  (+)  terminal:
F
Â
r
elease  the  bonnet  using  the  interior  lever, Â
t
hen  the  exterior  safety  catch,
F
r
aise the bonnet and secure it with its stay,
F
l
ift the plastic cover for access to
the (+)
 terminal.
Access to the batteryProcedure for starting the engine  u sing  another  b
attery  or  charging  a  discharged  battery.
The presence of this label, in particular
with
 the  Stop  &  Start  system,  indicates
 t
he use of a 12 V lead-acid battery with
special
 t
echnology
 a
nd
 s
pecification;
 t
he  involvement  of  a  CITROËN  dealer  or
 a
 qualified  workshop  is  essential  when
 r
eplacing  or  disconnecting  the  battery.
After refitting the battery, the Stop & Start system  w ill  o nly  b e  a ctive  a fter  a  c ontinuous p
eriod  of  immobilisation  of  the  vehicle,
 a
 period  which  depends  on  the  climatic
 c
onditions  and  the  state  of  charge  of  the
 b
attery  (up  to  about  8  hours).
8
In the event of a breakdown
Page 268 of 396

266
C4-2_en_Chap08_en-cas-de-panne_ed02-2015
When your vehicle's battery is discharged, the engine  can  be  started  using  a  slave  battery Â
(
external  or  on  another  vehicle)  and  jump  lead Â
c
ables.
Starting using another
battery
First check that the slave battery has a n ominal  voltage  of  12  V  and  a  capacity Â
a
t  least  equal  to  that  of  the  discharged Â
b
attery.
Do
 not  try  to  start  the  engine  by Â
c
onnecting  a  battery  charger.
Do
 not  disconnect  the  (+)  terminal  when Â
t
he  engine  is  running. F
Â
S
tart  the  engine  of  the  vehicle  with  the Â
g
ood  battery  and  leave  it  running  for  a  few Â
m
inutes.
F Â
O
perate  the  starter  on  the  broken  down Â
v
ehicle  and  let  the  engine  run. I
f  the  engine  does  not  start  straight  away,  s
witch  off  the  ignition  and  wait  a  few Â
m
oments  before  trying  again.
F
Â
R
emove  the  plastic  cover  from Â
the
 (+)  terminal,  if  your  vehicle  has  one.
F
C
onnect the red cable to the positive
terminal
 (+)  of  the  flat  battery  A, then to the
positive
 terminal  (+)  of  the  slave  battery  B.
F
Â
C
onnect  one  end  of  the  green  or  black Â
c
able  to  the  negative  terminal  (-)  of  the Â
s
lave battery B  (or  earth  point  on  the  other Â
v
ehicle).
F
Â
C
onnect Â
t
he Â
o
ther Â
e
nd Â
o
f Â
t
he Â
g
reen Â
o
r Â
b
lack Â
c
able to the earth point C  on  the  broken Â
d
own  vehicle  (or  on  the  engine  mounting).F
Â
W
ait  until  the  engine  returns  to  idle  then Â
d
isconnect  the  jump  lead  cables  in  the Â
r
everse
 o
rder.
F
Â
R
efit  the  plastic  cover  to  the  (+)  terminal,  if Â
y
our  vehicle  has  one.
In the event of a breakdown
Page 270 of 396

268
C4-2_en_Chap08_en-cas-de-panne_ed02-2015
Protect your eyes and face before
handling the  battery.
All
 operations  on  the  battery  must  be Â
c
arried out in a well ventilated area and
away
 from  naked  flames  and  sources Â
o
f  sparks,  so  as  to  avoid  the  risk  of Â
e
xplosion  or  fire.
Do
 not  try  to  charge  a  frozen  battery; Â
t
he  battery  must  first  be  thawed  out  to Â
a
void  the  risk  of  explosion.  If  the  battery Â
h
as  been  frozen,  before  charging  have Â
i
t  checked  by  a  CITROËN  dealer  or  a Â
q
ualified  workshop  who  will  check  that Â
t
he  internal  components  have  not  been Â
d
amaged  and  the  casing  is  not  cracked, Â
w
hich  could  cause  a  leak  of  toxic  and Â
c
orrosive  acid.
Do not reverse the polarity and use only
a
 12  V  charger.
Do
 not  disconnect  the  terminals  while Â
t
he  engine  is  running.
Do
 not  charge  the  batteries  without Â
d
isconnecting  the  terminals  first.
Wash
 your  hands  after wards. Do not push the vehicle to start the
engine
 if  your  vehicle  has  an  automatic Â
g
earbox.
Some
Â
functions
Â
are
Â
not
Â
available
Â
if
Â
the
Â
b
attery
Â
is
Â
not
Â
sufficiently
Â
charged.
It is advisable to disconnect the battery if
the
Â
vehicle
Â
is
Â
to
Â
be
Â
left
Â
unused
Â
for
Â
more
 t
han
Â
one
Â
month.
The batteries contain harmful substances s uch  as  sulphuric  acid  and  lead.  They m
ust  be  disposed  of  in  accordance
 w
ith  regulations  and  must  not,  in  any
 c
ircumstances,  be  discarded  with  household
 w
aste.
Take
 used  remote  control  batteries  and
 v
ehicle  batteries  to  a  special  collection  point.
In the event of a breakdown