brake sensor CITROEN RELAY 2015 Handbook (in English)

6
Location
EXTERIOR
Rear lamps, direction indicators,
3 rd brake lamp,
foglamps 44, 138, 142-143
Left-hand side:
fuel fi ller cap, fuel tank
129
Fuel cut-off 130
Load space 80-81
Rear doors 21
Number plate lamp 143
Rear parking sensors 91
Spare wheel, jack, changing
a wheel, tools, puncture
repair kit 145-149
Infl ating, pressures 149, 163
Snow chains 120
Towing, lifting 150
Towbar, towball 116-118 Dimensions
152-158
Accessories 119
Roof rack, roof bars 118
Brakes, pads 124, 127
Braking assistance systems 96-97
Trajectory control 98-100
Tyres, pressures 149, 163
Pneumatic suspension 93-94 Key, remote control, battery 14-17
Starting
18, 38-39
Central locking 22
Confi dential card 18
Alarm 19
Wiper blade 144
Door mirror 82
Side repeater 141
Front lamps, direction indicators,
front foglamps 44, 138-141
Headlamp beam height adjustment 46
Headlamp wash 47
Changing bulbs 138-141
Opening/closing doors 20-22
Key 15-16
Opening the bonnet, stay 122
Autoclose 84, 87

34
Instruments and controls
Under-inflation alert
The alert is given by the fi xed
illumination of this warning lamp,
accompanied by an audible signal,
and depending on equipment, the
display of a message.
In the event of a problem on one of the
tyres, the symbol or the message appears,
according to equipment, to identify it.
- Reduce speed, avoid sudden steering
movements or harsh brake applications.
- Stop as soon as it is safe to do so.
- In the event of a puncture, use the temporary puncture repair kit or the
spare wheel (according to equipment),
or
- if you have a compressor, the one in the temporary puncture repair kit for
example, check the four tyre pressures
when cold,
or
- if it is not possible to check the tyre pressures at the time, drive carefully at
reduced speed. The loss of pressure detected does
not always lead to visible deformation
of the tyre. Do not rely on just a visual
check.
The alert is maintained until the tyre or
tyres concerned is reinflated, repaired
or replaced.
The spare wheel (space-saver type or a
steel rim) does not have a sensor.
Operating fault
The flashing and then fixed
illumination of this warning lamp
accompanied by the illumination
of the service warning lamp, and
depending on equipment, the display of a
message indicates a fault with the system.
In this case, monitoring of the tyre pressures
is not assured.
This alert is also displayed when one or
more wheels is not fitted with a sensor
(for example, a space-saver or steel spare
wheel).
Go to a CITROËN dealer or a qualified
workshop to have the system checked or,
following the repair of a puncture, to have
the original wheel, equipped with a sensor,
refitted.

92
Parking sensors
REVERSING CAMERA
If your vehicle is fitted with this camera, it is
located at the rear, next to the third brake
lamp.
It sends views to the screen installed
in the cab. This rear vision is an aid to
manoeuvring.
The reversing camera may be coupled with
rear parking sensors. Screen
The camera sends the images to a 5 inch
LCD colour screen. This screen is also
the one used by the touch screen audio-
telematic system.
Activation and deactivation of the system
is done in the settings menu of the touch
screen audio-telematic system.
Operation
The camera comes into operation when
reverse gear is engaged and remains active
up to approximately 9 mph (15 km/h). It is
deactivated above 11 mph (18 km/h).
The camera also comes on, with the vehicle
stationary, when the rear doors are opened.
Switching off
When a forward gear is engaged, the last
image remains displayed for approximately
5 seconds then switches off.
In the same way, the last image also
remains displayed, with the vehicle
stationary, when the rear doors are closed.
Good practice
With optimum vehicle conditions (position on
the road, loading level) the maximum area of
visibility covered by the camera has a fi eld
depth approximately 3 m long and 5.5 m wide.
The area of visibility may vary depending on
the external weather conditions (brightness,
rain, snow, fog, ...), the load in the vehicle
and the position of the vehicle on the road.
When cleaning the camera and the screen,
avoid using a detergent or a tool which may
scratch the glass.
Use a non-abrasive cloth or a small brush.

11 7
6
Transport solutions
ACCESSORIES
Distribution of loads: distribute the load in
the trailer so that the heaviest objects are as
close as possible to the axle and the nose
weight is close to the maximum authorised
without, however, exceeding it.
Driving advice
A towed vehicle must free wheel: gearbox in
neutral.
Cooling: towing a trailer on a slope
increases the coolant temperature.
As the fan is electrically controlled, its
cooling capacity is not dependent on the
engine speed.
On the contrary, use a high gear to lower the
engine speed and reduce your speed.
In all cases, pay attention to the coolant
temperature. Tyres: check the tyre pressures of the
towing vehicle and of the trailer, observing
the recommended pressures.
Fitting a towbar
We recommend the use of genuine
CITROËN towbars and their harnesses,
which have been tested and approved from
the design stage of your vehicle and that
the fitting of this equipment is entrusted to a
CITROËN dealer.
These genuine towbars are compatible with
the operation of the rear parking sensors
and the reversing camera, if fitted to your
vehicle.
If this equipment is not fitted by a CITROËN
dealer, it must be fitted in line with the
manufacturer's instructions.
Good practice
In certain cases of particularly arduous
use (towing the maximum load up a steep
slope in high temperatures), the engine
automatically limits its power. In this
case, the automatic cutting off of the air
conditioning allows the engine power to be
recovered.
If the coolant temperature
warning lamp comes on, stop the
vehicle and switch off the engine
as soon as possible.
Refer to the "Checks - Levels and
checks" section.
Brakes: towing increases the braking
distance. Drive at a moderate speed,
change down early and brake gradually. Side wind: sensitivity to side wind is
increased. Drive smoothly and at a
moderate speed.
ABS: the system only controls the vehicle,
not the trailer.
Rear parking sensors: the system does not
operate while the vehicle is towing.
Refer to the "Technical data -
Identification markings" section.

135
QUICK HELP
8
Failed fuse
Fuses A (amps) Allocation
12 7.5 Right-hand dipped beam headlamp
13 7.5 Left-hand dipped beam headlamp
31 7.5 Relay supply
32 10 Cab lighting
33 15 Rear 12 V socket
34 - Not used
35 7.5 Reversing lamps - Water in Diesel fuel sensor
36 15 Central locking control - Battery
37 7.5 Brake lamps switch - Third brake lamp - Instrument panel
38 10 Central locking
39 10 Audio system - Diagnostic socket - Alarm siren - Programmable additional heating controls - Air conditioning
controls - Tachograph - Battery
40 15 Heated: rear screen (left hand), driver's side mirror
41 15 Heated: rear screen (right hand), passenger's side mirror
42 7.5 ABS control unit and sensor - ASR sensor - DSC sensor - Brake lamps switch
43 30 Windscreen wiper motor
44 20 Cigarette lighter - Front 12 V socket
45 7.5 Door controls
46 - Not used
47 20 Driver's electric window motor
48 20 Passenger electric window motor
49 7.5 Audio system - Instrument panel controls - Driver's electric window
50 7.5 Airbags and pre-tensioners unit
51 7.5 Tachograph - Cruise control - Air conditioning controls
52 7.5 Optional relay supply
53 7.5 Instrument panel - Rear foglamp