2014 Citroen DS3 cooling

35
DS3_en_Chap01_controle-de-marche_ed01-2014
With the engine running, when the needle is:
- i n zone A ,
  the   temperature   is   correct,
-

i
n zone B,   the   temperature   is   too   high;  
t

he central STOP
 
warning   lamp   and   the  
m

aximum   temperature   warning   lamp 1
come
  on   in   red,   accompanied   by   an  
a

udible   signal   and   a   message   in   the  
m

ultifunction
 s
creen.
You must stop as soon as it is safe to do so.
Wait
  a   few   minutes   before   switching   off   the  
e

ngine.
Contact a CITR
oË

N dealer or a qualified
workshop.
coolant temperature indicator
After driving for a few minutes, the temperature a nd   pressure   in   the   cooling   system   increase.
To
  top   up   the   level:
F
 
w
ait   for   the   engine   to   cool   down,
F

u
nscrew the cap by two turns to allow the
pressure to drop,
F
 
w
hen   the   pressure   has   dropped,   remove  
t

he cap,
F
 
t
op   up   the   level   to   the   "MA X"   mark.
Monitoring

83
DS3_en_Chap04_confort_ed01-2014
Ventilation
Air intake
The air circulating in the passenger compartment is   filtered   and   originates   either   from   the   outside   via t

he   grille   located   at   the   base   of   the   windscreen   or
 f

rom   the   inside   in   air   recirculation   mode.
Air treatment
The incoming air follows various routes depending   on   the   controls   selected   by   the  
d

river:
-
 
d
irect   arrival   in   the   passenger  
c

ompartment   (air   intake),
-
 
p
assage   through   a   heating   circuit   (heating),
-
 
p
assage   through   a   cooling   circuit   (air  
c

onditioning).
The
  temperature   control   enables   you   to   obtain  
t

he   level   of   comfort   required   by   mixing   the   air   of  
t

he   various   circuits.
The air distribution control enables you to
diffuse
  the   air   in   the   passenger   compartment  
c

ombining   several   air   vents.
The air flow control enables you to increase or
reduce
  the   speed   of   the   ventilation   blower.
control panel
The controls of this system are grouped together   on   control   panel   A on the centre
console.
  Depending   on   the   model,   the  
f

unctions   offered   are:
-
 
t
he   level   of   comfort   required,
-

a
ir flow,
-
a

ir distribution,
-
 d

emisting-defrosting,
-
 
m
anual   or   digital   air   conditioning   controls.
Air distribution
1. Windscreen demisting-defrosting v ents.
2. F ront   side   window   demisting-defrosting  
ve

nts.
3.
 S

ide   adjustable   air   vents.
4.
 C

entral   adjustable   air   vents.
5.
 A

ir   outlets   to   the   front   footwells.
6.
 A

ir   outlets   to   the   rear   footwells.
comfort

91
DS3_en_Chap04_confort_ed01-2014
It is possible to adjust one or more functions manually   while   leaving   the   other   functions   in  
a

utomatic   mode.
The "AUTO"
 

symbol   switches   off.
To
  return   to   automatic   mode,   press  
the "AUTO"
 

button.
Manual override
4. Air conditioning on/off
For maximum cooling or heating of the cabin,   it   is   possible   to   go   beyond   the  
m

inimum   14   or   maximum   28   values.
F

P
ress the blue button 2 until "LO"
is displayed or the red button 2
until
"HI"
 
is   displayed. Press this button to switch off the air
conditioning.
Stopping
  the   air   conditioning   may   cause
 s

ome   problems   (humidity,   misting).
Automatic   operation   of   the   air   conditioning   is  
r

esumed  
w
hen  
t
he  
b
utton  
i
s  
p
ressed  
a
gain.  
T
he  
s

ymbol
 "A
/
c" 
is   displayed.
5. Air intake / Air recirculation
Press this button for recirculation of
the
  interior   air.   The   air   recirculation  
s

ymbol
 5
  is   displayed.
air

recirculation enables the
passenger
  compartment   to   be   isolated   from  
e

xterior
 
odours   and   smoke.
Press
 
this
  button   again   or   press   the   "AUTO"
button
 
to
 
resume   automatic   management   of  
t

he
 
intake
  of   air.   The   air   recirculation   symbol   5
goes
 
off. Avoid
  prolonged   recirculation   of  
i

nterior   air   (risk   of   condensation   or  
d

eterioration   of   the   air   quality).
Switching
 
to
 
manual
 
mode
 
may
 
not
 
be
 
s

uitable
 
(temperature,
 
humidity,
 
odour,
 
c

ondensation) and does not provide
optimum
 c

omfort.
comfort

DS3_en_Chap10_info-pratiques_ed01-2014
Fuse table
Fuse N°Rating Functions
F1 20 AEngine
  control   unit   supply,   cooling   fan   unit   control   relay,   multifunction   engine   control   main   relay,   injection   pump  
(

Diesel).
F2 15 AHorn.
F3 10 AFront
  /   rear   screenwash.
F4 20 ALED
  lamps.
F5 15 ADiesel
  heater   (Diesel),   particle   filter   additive   pump   (Diesel),   air   flow   sensor   (Diesel),   blow-by   heater   and  
e

lectrovalves   (VTi).
F6 10 AABS/ESP
  control   unit,   secondary   stop   switch.
F7 10 AElectric
  power   steering,   automatic   gearbox.
F8 25 AStarter
  control.
F9 10 ASwitching
  and   protection   unit   (Diesel).
F10 30 AFuel
  heater   (Diesel),   blow-by   heater   (Diesel),   fuel   pump   (VTi),   injectors   and   ignition   coils   (petrol).
F11 40 AHeater
 b

lower.

DS3_en_Chap10_info-pratiques_ed01-2014
Table of maxi-fuses
Fuse N°Rating Functions
MF1* 60 AFan
  assembly.
MF2* 30 AABS
  /   ESP   pump.
MF3* 30 AABS
  /   ESP   electrovalves.
MF4* 60 ABuilt-in
  Systems   Inter face   (BSI)   supply.
MF5* 60 ABuilt-in
  Systems   Inter face   (BSI)   supply.
MF6* 30 AAdditional
  cooling   fan   unit   (THP).
MF7* 80 ADashboard
 f

usebox.
MF8* -Not
  used.
*
  
T

he   maxi-fuses   provide   additional   protection   for   the   electrical   systems.   All   work   on   the   maxi-fuses   must   be   carried   out   by   a   CITROËN   dealer   or   a  
q

ualified
 w
orkshop.

239
DS3_en_Chap10_info-pratiques_ed01-2014
RAcING towbar
Your vehicle cannot be fitted with a
towbar.  The   space   occupied   by   the  
s

port   diffuser   prevents   this.
Ty r e s
F Check  the   tyre   pressures   of   the   towing  v
ehicle   and   of   the   trailer,   observing   the  
re

commended
 p
ressures.
cooling
Towing a trailer on a slope increases the temperature   of   the   coolant.
As
  the   fan   is   electrically   controlled,   its   cooling  
c

apacity   is   not   dependent   on   the   engine   speed.
F
 
T
o   lower   the   engine   speed,   reduce   your  
s

peed.
The
  maximum   towed   load   on   a   long   incline  
d

epends   on   the   gradient   and   the   ambient  
t

emperature.
In
  all   cases,   keep   a   check   on   the   coolant  
t

emperature.
Braking
Towing a trailer increases the braking distance.
T o   avoid   overheating   of   the   brakes   on   a   long  
m

ountain   type   of   descent,   the   use   of   engine  
b

raking   is   recommended.
Lighting
F Check   the   electrical   lighting   and   signalling  o
n   the   trailer.
The
  rear   parking   sensors   will   be  
d

eactivated   automatically   if   a   genuine  
C

ITROËN   towbar   is   used.
F
 
I

f
 
the
 
warning
 
lamp
 
and
 
the
 
S

TOP
 

warning
 
lamp
 
come
 
on,
 
s

top the vehicle and switch off
the
 
engine
 
as
 
soon
 
as
 
possible.
Practical information

251
DS3_en_Chap11_verifications_ed01-2014
Checking levels
Check all of these levels regularly, in line with the maintenance and warranty guide. Top them up if necessary, unless other wise indicated.
I f   a   level   drops   significantly,   have   the   corresponding   system   checked   by   a   CITROËN   dealer   or   a   qualified   workshop.
Engine oil level
It is normal to top up the oil level between two   services   (or   oil   changes).   CITROËN  
r

ecommends   that   you   check   the   level,   and   top  
u

p   if   necessary,   every   3   000   miles   (5   000   kms).
The
  check   is   carried   out   either   when  
t

he   ignition   is   switched   on   using   the  
o

il   level   indicator   in   the   instrument  
p

anel for vehicles with an electric oil
level   gauge,   or   using   the   dipstick.
To   ensure   that   the   reading   is   correct,  
y

our   vehicle   must   be   parked   on   a   level  
s

ur face   with   the   engine   having   been   off  
f

or   more   than   30   minutes.
Take   care   when   working   under   the  
b

onnet,   as   certain   areas   of   the   engine  
m

ay   be   extremely   hot   (risk   of   burns)  
a

nd   the   cooling   fan   could   start   at   any  
t

ime   (even   with   the   ignition   off).
checking using the dipstick
A = MA X
B   =   MIN If you find that the level is above the A
  mark   or  
belo

w the B   mark,   do not star t the engine
.
-
I
f the level is above the MAX
 
mark   (risk  
o

f   damage   to   the   engine),   contact   a  
C

ITROËN   dealer   or   a   qualified   workshop.
-
I
f the level is below the MIN
 
mark,   you  
m

ust   top   up   the   engine   oil.
Refer
 
to
 
the
 
"Petrol   engine"   or   "Diesel   engine"  
s

ection
 
for
 
the   location   of   the   dipstick   in   the  
e

ngine
 
compartment   of   your   vehicle.
F
 
T

ake
 
the
  dipstick   by   its   coloured   grip   and  
r

emove
 
it   completely.
F
 
W

ipe
 
the
  end   of   the   dipstick   using   a   clean  
n

on-fluffy   cloth.
F
 
R

efit
 
the
  dipstick   and   push   fully   down,   then  
p

ull
 
it
 
out   again   to   make   the   visual   check:  
t

he
 
correct   level   is   between   the   marks   A
and B .
Oil grade
Before topping-up the oil or changing the oil, c
heck   that   the   oil   is   the   correct   grade   for   your  
e

ngine   and   conforms   to   the   manufacturer's  
r

ecommendations.
checks

253
DS3_en_Chap11_verifications_ed01-2014
Fluid specification
The coolant must conform to the manufacturer's r ecommendations.
coolant level
The coolant level should be close
to  the   "MA X"   mark   but   should   never  
e

xceed   it.
In
 
addition,   as   the   cooling   system   is  
p

ressurised, wait at least one hour after
switching
 
off   the   engine   before   carrying   out   any  
wo

rk.
To
 
avoid
 
any   risk   of   scalding,   unscrew   the   cap  
b

y
 
two
 
turns   to   allow   the   pressure   to   drop.  
W

hen
 
the
  pressure   has   dropped,   remove   the  
c

ap
 
and
 
top   up   the   level.
When
 
the
  engine   is   warm,   the   temperature   of  
t

he
 
coolant   is   regulated   by   the   fan.
The cooling fan may star t after
switching off the engine: take care
with articles and clothing that might
be caught by the fan blades.
Screenwash fluid level
Fluid specification
For optimum cleaning and to avoid freezing, t his   fluid   must   not   be   topped   up   or   replaced  
w

ith   plain   water.
In
 
w
intry  
c
onditions,  
i
t  
i
s  
r
ecommended  
t
hat  
y
ou  
u

se   an   ethyl   alcohol   or   methanol   based   fluid.
Top
  up   the   level   when   necessary.
checks