Page 320 of 363
v0406.0
IMMOBILISER
Fault finding - Fault Chart (petrol version) 82
AFTER REPAIRCarry out a conformity check.
Check that the immobiliser system is working correctly.
Erase fault memory G0**.
Fault Chart 5WHEN DRIVING (deceleration) AND WHEN AT IDLE SPEED,
INJECTION WARNING LIGHT FLASHES PERMANENTLY
None.NOTES
Switch on the ignition.
Connect the
XR25. Use fiche n° 56.
Selector on S8. Enter D56.
Is there communication between the XR25
and the decoder unit?
no See Fault Chart 1.
yes
no Replace the decoder unit .
XR25 still connected , check whether
BG 2RH is illuminated on the following
injection fiches:
on the Safrane:
-fiche n° 27 side 1/2
on the Laguna :
-fiche n° 13 (depending on the engine)
-fiche n° 27 side 1/2 (depending on the
engine)
-fiche n° 28 (depending on the engine) Is BG
2RH illuminated on these injection fiches?
Refer to the chart for BG 2RH injection fiche
in the section "Fault finding - Interpretation
of XR25 bargraphs ".
yes
82-23
Page 321 of 363
v0406.0
IMMOBILISER
Fault finding - Fault Chart (petrol version) 82
AFTER REPAIRCarry out a conformity check.
Check that the immobiliser system is working correctly.
Erase fault memory G0**.
Fault Chart 6THE VEHICLE WILL NOT START
None.NOTES
no There is a problem with the engine.
There is a problem with the impact switch.
yes
Check that bargraph 6RH is illuminated .
Is bargraph 6RH illuminated ?
82-24
Page 328 of 363

v0406.0
IMMOBILISER
Fault finding - Fault Chart (diesel version)82
AFTER REPAIRCarry out a conformity check.
Check that the immobiliser system is working correctly.
Erase fault memory G0**.
Fault Chart 4WHEN THE IGNITION IS TURNED ON, THE IMMOBILISER ILLUMINATES FOR 3
SECONDS, THEN EXTINGUISHES, BUT THE VEHICLE WILL NOT START
None.NOTES
yes
Solenoid valve coded electronic unit
is not faulty.
Refer to fault finding for the diesel engine.
Connect the XR25. Use fiche n° 56. Carry out
a mechanical check of the solenoid valve .
- Ignition off, enter G23*.
- Switch on the ignition. The valve should
open and close several times in 30 seconds
(listen).
Does the valve open and close for
approximately 30 seconds?
no
no
Replace the solenoid valve .
yes
Remove the solenoid valve coded electronic
unit . Check the condition of the solenoid
valve. Ignition off , connect +12 volts to the
solenoid valve . Now try to start the vehicle.
Will the vehicle start ?
Replace the solenoid valve coded electronic
unit .
82-31
Page 330 of 363
v0406.0
IMMOBILISER
Fault finding - Fault Chart (diesel version)82
AFTER REPAIRCarry out a conformity check.
Check that the immobiliser system is working correctly.
Erase fault memory G0**.
Fault Chart 6THE VEHICLE WILL NOT START
None.NOTES
no There is either a problem with the engine or
an internal problem with the coded solenoid
valve.
There is a problem with the impact switch.
yes Check that bargraphs 6RH and 6LH
are illuminated.
Are the bargraphs illuminated?
82-33
Page 345 of 363

1EC761.0
AIRBAG - SEAT BELT PRETENSIONERS
Fault finding - XR25 fiche
MEANING OF BARGRAPHS
FAULT BARGRAPHS
(always on coloured background)
If illuminated, indicates a fault on the product tested. The associated text defines
the fault.
This bargraph could be :
- Illuminated : fault present.
- Flashing : fault memorised.
- Extinguished : fault absent or not found.
STATUS BARGRAPHS (always on a white background)
Bargraph always located on the top right hand side
If illuminated , indicates establishment of dialogue with the product computer.
If it remains extinguished :
- The code does not exist.
- There is a tool, computer or XR25 / computer connection fault.
The following bargraph representations indicate their initial status :
Initial status: (ignition on, engine stopped, no operator action)
Indefinite
illuminated when the operation or the condition specified on the
fiche is met.
Extinguished
Illuminated extinguished when the operation or the condition specified on the
fiche is no longer met.
ADDITIONAL SPECIFICATIONS
Certain bargraphs have a *. The command *.., when the bargraph is illuminated,
allows additional information on the type of fault or status to be displayed.
or
88
88-6