Page 9 of 83
REAR AND INTERIOR LIGHTS
Fuses
81
FUSE BOX (passenger compartment)
This unit is located in the passenger compartment on the driver’s side.
Allocation of fuses (depending on equipment level).
Symbol Rating Description
10
15
30
30
30
20
15
15
15
15
10
25
25
20
15
15
25Instrument panel / Electric rear view mirrors/ Radio / Car phone
Courtesy light / Immobiliser
Consumer cut-out
Towing connection
Heated rear screen
Central door locking / Immobiliser
Front fog lights
Rear screen wash - wipe/
Reversing lights / Heated rear screen / Immobiliser
/ Lights on reminder buzzer
Front wash - wipe
Stop lights/ Instrument panel/ Airbag / Pretensioners
Anti-lock braking system (ABS)
Left hand electric window
Right hand electric window
Heated seats
Air conditioning
Radio / Cigar lighter / Car phone
Heating
81-2
Page 10 of 83
Symbol Rating Description
10
10
10
10
7.5
7.5
7.5
15
10
10Left hand main beam headlight/ Instrument panel
Right hand main beam headlight
Left hand dipped headlight
Right hand dipped headlight
Left hand side light/
Instrument panel / Controls lighting / Radio / Heating Control Panel
Right hand side light/ Controls lighting
Rear fog light
Horn
Flasher unit
Heated rear view mirrors
REAR AND INTERIOR LIGHTS
Fuses
81
NOTE : To determine the exact position of the fuses, refer to the vehicle fuse box label or the Technical Note
"Wiring Diagrams".
Allocation of fuses (depending on equipment level). (cont)
81-3
Page 11 of 83
REAR AND INTERIOR LIGHTS
Fuses
81
FUSE BOX (engine compartment)
12840S
Rating D7F F8Q E7J
1 30A Injection (238-279) - Injection (236)
2 30AFan assembly
(234)-Fan assembly
(234)
3 - 15A 5A - Injection (238) Injection (120)
4 15A -Engine functions
(238-250-450-927)-
5 15AFan assembly / ignition
(234-778)-Injection / ignition
(236-250-663-664)
6 70A - Preheating unit -
7 50A -Engine functions
(234-450-700)-
8 60A Dashboard (209-713) Dashboard (209-713) Dashboard (209-713)
9 60A Dashboard (104-209) Dashboard (104-209) Dashboard (104-209)
10 60A Electric windows / AC fan Electric windows Electric windows / AC fan
11 60A ABS ABS ABS
81-4
Page 12 of 83

IMMOBILISER
Coded key immobiliser system
GENERAL
The immobiliser is controlled by a key recognition
system (known as coded key immobiliser system).
An independently operating coded chip without a
battery is integrated into each head of the vehicle
keys.
When the ignition is switched on, an antenna ring
around the ignition switch interrogates and cap-
tures the code from the head of the key and trans-
mits it to the decoder unit.
If the decoder unit recognises the code, the vehi-
cle will be permitted to be started.
The immobiliser is activated a few seconds after
the key is withdrawn from the ignition and this is
shown by the flashing of the red immobiliser war-
ning light on the instrument panel.
If there is a fault in the key recognition system, a
security code may be entered using the XR25 only.
This code may be communicated to the repair
agent (on his request) by the local assistance net-
work (depending on country, for example: Delta
Assistance on 0800.05.15.15 for France, NVSR for
the UK by fax only).
IMPORTANT: The repair agent must inform the
customer that the immobiliser system will reset it-
self automatically 10 minutes after switching the
ignition off.
82
NOTES
This system may be fitted to petrol or diesel vehi-
cles.
Petrol vehicles: the immobiliser function is carried
out by the injection computer.
Diesel vehicles: the immobiliser function is carried
out by the coded solenoid valve (on the injection
pump).
If the vehicle is fitted with a remote control for
door locking, a single decoder unit carries out
both functions (immobiliser and remote control).
The remote control has no effect on the immobili-
ser system (see section 88).
On these vehicles, the identification number of
the key heads contains eight alphanumeric cha-
racters, beginning with the letter E or A.
82-1
Page 13 of 83

IMMOBILISER
Coded key immobiliser system
DESCRIPTION
With this system the engine immobiliser is activa-
ted 10 seconds after switching off the ignition
(shown by the flashing of the red engine immobi-
liser warning light).
The system comprises:
• two key heads fitted with either:
- a single coded chip for controlling the immo-
biliser (A),
82
Opening a key head
Place the key head on a table with the metal in-
sert facing downwards.
Use a small screwdriver as a lever as shown below,
ensuring that the end of the screwdriver is placed
on the lower section (E) of the key head. This al-
lows the upper section to slide off the lower sec-
tion.
13078R
- a coded chip (A) for controlling the immo-
biliser and the electronic unit for the re-
mote control (B) allowing the opening
elements to be locked or unlocked (de-
pending on equipment).
13076R
13077R
NOTE : To remove the metal insert, move the re-
taining tab aside before removing it. When refit-
ting, check the insert is correctly clipped into posi-
tion.
82-2
Page 14 of 83
IMMOBILISER
Coded key immobiliser system
82
• An antenna ring (C) around the ignition
switch, with an electronic unit which transmits
the key code to the decoder unit (D).
NOTE : This antenna ring is not coded.
Removal - Refitting
Remove the half cowlings from under the steering
wheel, release the antenna ring from the ignition
switch and disconnect its connector.
13067R
• A decoder unit (D) in the dashboard on the left
hand side.
This has the following functions:
- decoding of the key signal from the antenna
ring,
- management of the engine immobiliser
system by the sending of a code to the injection
computer (petrol) or coded solenoid valve
(diesel) to authorise the vehicle to be started
- operation of the red immobiliser warning light,
- locking and unlocking of the opening elements
(depending on version),
- timed illumination of the courtesy light (vehicle
fitted with a door locking remote control).
12967R1
82-3
Page 15 of 83

IMMOBILISER
Coded key immobiliser system
82
Removal - Refitting
The dashboard must be partially removed to re-
move the decoder unit.
Remove:
- the steering wheel with the wheels straight,
- the half cowlings under the steering wheel,
- the knee protector under the steering column,
- the lights and wiper controls,
- the instrument panel surround,
- the instrument panel,
- the ashtray, its mounting and the two dash-
board mounting bolts on the heating unit,
- the trim at the bottom of the dashboard on the
driver’s side,
- the two speaker grilles on the dashboard,
- the dashboard mountings.
13065R1
Move the dashboard as far back as possible, dis-
connect the decoder unit and remove the two
mounting bolts (B) using a small ratchet fitted
with a Torx 20 socket.
•A red immobiliser warning light on the instru-
ment panel used to :
- indicate activation of the engine immobiliser
system,
- signal a fault in the system for vehicles with a
coded solenoid valve (diesel) or non-
recognition of the key,
- signal entry into the door locking remote
control resynchronisation mode (depending
on equipment).
• An injection warning light (petrol vehicle)
which indicates a fault in the:
- injection,
- engine immobiliser system when the engine
is running (flashes during deceleration and
at idle speed).
82-4
Page 16 of 83

IMMOBILISER
Coded key immobiliser system
OPERATION
When the immobiliser system is activated (ap-
proximately 10 seconds after cutting + after igni-
tion feed), the red immobiliser warning light
flashes (slow flashing; 1 flash / second).
After switching the ignition on, the antenna ring
analyses the code from the key and transmits it to
the decoder unit.
If the code is not recognised by the decoder unit,
the injection warning light (petrol) illuminates for
a few seconds and extinguishes while the red im-
mobiliser warning light flashes (rapid flashing).
If the code is recognised by the decoder unit, it
sends a code to the injection computer (petrol) or
coded solenoid valve (diesel) via the coded line
and extinguishes the red immobiliser warning
light (after approximately 3 seconds).
At this precise moment, one of several situations
may arise:
- The injection computer (petrol) or coded sole-
noid valve (diesel) has no reference code in its
memory :
• the code sent to it is stored in its memory.
82
- The injection computer (petrol) or the coded
solenoid valve (diesel) has a reference code in
its memory:
• the code sent to it is compared with the code
in its memory,
• if the two codes match, the computer un-
locks the injection system (petrol) or coded
solenoid valve (diesel) and the engine may
be started.
When the ignition is switched on, the injec-
tion warning light (petrol) and the immobili-
ser warning light illuminate for 3 seconds then
extinguish, showing that the system is opera-
ting correctly.
• if the two codes do not match, the system re-
mains locked to prevent the engine from
being started.
When the ignition is switched on, the injec-
tion warning light flashes (petrol) and the red
engine immobiliser warning light illuminates
permanently then extinguishes or the red im-
mobiliser warning light remains illuminated
permanently (diesel) indicating that the co-
ded solenoid valve has not recognised the
code.The vehicle may not be started.
NOTE : to ensure the system operates correctly, no
objects (eg. : keyrings) should be allowed to come
between the key and the antenna ring.
IMPORTANT: when the vehicle battery has a low
charge, the drop in voltage caused by operating
the starter may set the immobiliser. If the voltage
is too low, the engine cannot be started, even by
pushing the vehicle.
82-5