check engine light RENAULT CLIO 1999 X65 / 2.G Air Bag And Seat Belts Workshop Manual
[x] Cancel search | Manufacturer: RENAULT, Model Year: 1999, Model line: CLIO, Model: RENAULT CLIO 1999 X65 / 2.GPages: 90, PDF Size: 0.54 MB
Page 2 of 90
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Air bags and seat belt pretensioners
Replacement compatibility
General
Special tooling
XRBAG test kit
30 track XRBAG adaptor
50 track XRBAG adaptor
Dummy air bag ignition module
Destruction apparatus
Operation of front air bags
and pretensioners
Operation of side air bags
Electronic unit
Instrument panel warning light
Side impact sensors
Operation on triggering lines
Seat belt pretensioners
Seat belts
Driver’s air bag
Rotary switch
Passenger air bag module
Side air bag module
Destruction procedure
Fault Finding
Introduction
Front air bag
Introduction
Interpretation of faults
Checking conformity
Aid
Fault charts
Side air bag
Introduction
Interpretation of faults
Checking conformity
Aid
Fault charts88-2
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SPECIAL TOOLING
These systems can have fault finding carried out
using the following fault finding tools :
•
XR25 only for pretensioners and front air
bags,
•
NXR or OPTIMA 5800 for pretensioners and
front and side air bags (except self contained
side air bags).
These tools allow faults in the computer or faulty
lines in the system to be detected (see the"Fault
Finding" section).
NOTE : These tools have an additional function
which allows the trigger lines to be deactivated,
to prevent triggering of the pyrotechnic gas gene-
rators.
XRBAG TEST KIT (Elé. 1288)
This equipment is a specially designed tool for
testing and fault finding of air bag and seat belt
pretensioner devices.
It allows electrical measurements to be made on
the various lines of the systems (see the "Fault
finding" section).
IMPORTANT : no measurements may be made on
these systems using an ohmmeter or any other
electrical measuring equipment: the system may
be triggered due to the operating current of the
measuring equipment.
14328S
This bornier is connected in place of the compu-
ter.
Using the
XRBAG, it allows all the trigger lines to
be checked, the computer supply voltage to be
measured and forces the air bag warning light on
the instrument panel to illuminate.
Terminals also allow continuity checks on the dia-
gnostic lines, on the warning light lines and on
the supply to the computer (see "Fault Finding"
section).
Identification of adaptor output wiring
1 : Supply and warning light
2 : Not used
A : Driver’s air bag lines
B : Passenger’s air bag lines
C : Passenger’s pretensioner lines
D : Driver’s pretensioner lines
30 TRACK XRBAG ADAPTOR(B40)
for vehicles without side air bags
88-6
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14328-1S
This bornier is connected in place of the compu-
ter.
Using the
XRBAG, it allows all the trigger lines to
be checked, the computer supply voltage to be
measured and forces the air bag warning light on
the instrument panel to illuminate.
Terminals also allow continuity checks on the dia-
gnostic lines, the earth, the warning light lines
and on the supply to the computer (see "Fault
Finding" section).
NOTE : the DPP terminal is not currently used on
this system.
Identification of adaptor output wiring
1 : Not currently used
2 : Supply and warning light
A : Driver’s pretensioner lines
B : Passenger’s pretensioner lines
C : Driver’s air bag lines
D : Passenger’s air bag lines
E : Driver’s side air bag lines
F : Passenger’s side air bag lines
50 TRACK XRBAG ADAPTOR(B50)
for vehicles with side air bags
DUMMY IGNITION MODULE
A dummy ignition module integrated in a small
red box is supplied in the XRBAG.
It has the same electrical specifications as a real
ignition module and is used to replace the air bag
or the pretensioner during fault finding.
Refer to your After Sales Head Office for further
information.
15749S
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Special features after triggering
These types of unit (30 or 50 track) can accept up
to four triggerings maximum. Therefore it is not
necessary to replace them each time the air bags
or pretensioners are triggered .
In the event of being triggered, the warning light
on the instrument panel is illuminated, but the
computer does not lock the ignition lines which
have not been triggered. These remain in opera-
tion.
On the other hand, the computer locks the memo-
rised faults in order to prevent accidental erasing
of the context register for the impact which cau-
sed triggering.
These contexts can later be used to simplify the
repair of the vehicles involved in accidents and al-
so for examination needs.
IMPORTANT, during repair following an impact,
an unlocking command must be carried out follo-
wed by a locking command for the computer to
lock all of the ignition lines.
Erasing memorised faults is only possible follo-
wing a computer unlocking command.
If the fault finding tool does not recommend re-
placing the computer, only replace the triggered
components and check that there are no faults.
When everything is correct, unlock the computer
using a fault finding tool; the system is again ope-
rational.
If the fault finding tool recommends replacing the
computer, it will indicate either :
• that the computer has triggered four times ei-
ther just the pretensioners or the pretensio-
ners and air bags or the side air bag which is
not self contained (according to equipment),
• or an internal fault in the computer .
In these two circumstances, replace the computer.Special notes for replacing the computer
A new computer must be fitted to the vehicle be-
fore reconnecting its connector (tightening tor-
que : 0.8 daN.m).
The arrow on the computer must point towards
the front of the vehicle.
After connecting the connector, carry out a check
using the fault finding tool and proceed with
configuration if the vehicle does not have a pas-
senger air bag.
When everything is correct, unlock the computer
using a fault finding tool; the system is again ope-
rational.
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Procedure for locking the computer
Before removing the computer or before carrying
out any repair on the air bag or pretensioners sys-
tem, the computer must be locked either :
• by using the XR25 (fiche n° 48)
1 Type in code D49 ISO selector on S8
2 Type in command G80*
When this operation is activated, all the
ignition lines are inhibited, the air bag
warning light on the instrument panel
and bargraph 16 LH side on the XR25 are
illuminated (new computers are delivered
in this condition).
Fault finding remains possible when this
mode is activated.
NOTE : to unlock the computer, use the same me-
thod using command G81*. The air bag warning
light on the instrument panel and bargraph
16 LH
side on the XR25 will be extinguished.
• by using the NXR and the OPTIMA 5800
1 Choose the "fault finding " menu
2 Select and validate the vehicle type (Clio
II)
3 Select and validate the "Air bag and pre-
tensioners" system which is to have fault
finding carried out
4 Choose the "Command" menu
5 Select and validate the "Actuator
Command" operation then validate the
"computer locking" command.
6 Choose the "Status" menu and check that
the computer is correctly locked. The bar-
graph for the "locked computer" line and
the air bag warning light on the instru-
ment panel must be illuminated (new
computers are delivered in this condition).
Fault finding remains possible when this
mode is activated.
NOTE : to unlock the computer, use the same me-
thod validating the "Computer unlocking" line.
The bargraph for the "Computer locked" line and
the air bag warning light on the instrument panel
must be extinguished.Removal
It is located on the tunnel in the central console.
To access it :
- remove the central console,
- move the warm air ducts to one side and dis-
connect the computer,
- cut the carpet slightly to access the mounting
bolts,
- remove the computer with the diagnostic
socket support.
14062R3
IMPORTANT
• when carrying out a repair underneath the ve-
hicle (exhaust, bodywork, etc.), do not use a
hammer or transfer an impact to the floor wi-
thout having locked the computer using the
fault finding tool .
• when installing an electrical accessory in after
sales (speaker, alarm, or any equipment which
can generate a magnetic field), it must not be
fitted close to the air bag / pretensioners
computer.
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Computer configuration
(computer fitted with a 30 track connector only)
New computers are normally delivered configured
for "passenger air bag".
If the vehicle does not have a passenger air bag,
the computer will have to be configured without
a passenger air bag using the fault finding tool.
In the event where the computer configuration
does not correspond to the vehicle equipment,
the air bag warning light will remain illuminated.
• using the XR25 (fiche n° 48)
1 Type in code D49 ISO selector on S8
2 Type in command G20*0* ,bargraph
19 LH
side on the XR25 must be extinguished.
NOTE : to reconfigure the computer with a pas-
senger air bag, use the same method using
command G20*1*, bargraph 19 LH side on the
XR25 must be illuminated.
• using the NXR and the OPTIMA 5800
1 Choose the "fault finding " menu
2 Select and validate the vehicle type (Clio
II)
3 Select and validate the system "Air bag "
4 Choose the"Command" menu
5 Select and validate the "computer confi-
guration" operation then the "computer
configuration" line. The tool displays the
current configuration.
To change it, select and validate the
"Passenger Air bag" line (check the re-
quest has been taken into account in the
"Requested configuration" column).
Press "Continue" and confirm your re-
quest.
NOTE : to reconfigure the computer with a pas-
senger air bag, use the same method validating
the "Passenger air bag" line again. Removed computer
30 track
14061S
50 track
for vehicles fitted with side air bags
15813S
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When triggered, the system can retract the buckle
by 70 mm (maximum).
DI8802
The pretensioner’s components can not be
separated.
NOTE : this system is operational when the
ignition has been switched on.
Removal
IMPORTANT:The pyrotechnic systems (pretensio-
ners or air bags) must not be handled when near a
heat source or a flame because there is a risk that
the system will be triggered.
IMPORTANT
Before removing a pretensioner, lock the
computer using the fault finding tool.
When this function is activated, all trigger lines
are inhibited, the air bag warning light on the ins-
trument panel is illuminated.
Remove:
- the pretensioner connector located under the
front seat,
- the pretensioner assembly, after having remo-
ved the protective trim.
IMPORTANT : before scrapping an untriggered
pretensioner module, it
MUST be destroyed in ac-
cordance with the method described in the
"Destruction Procedure" section (except parts
which can be returned under warranty).
Refitting
Observe the wiring routing and the mounting
points under the seat.
NOTE : press the connector in firmly on the pre-
tensioner side (C) (strong clipping system).
IMPORTANT : after replacing the faulty parts and
reconnecting the connectors, carry out a check
using the fault finding tool.
Unlock the computer if everything is correct,
otherwise see the"Fault Finding" section.
REMINDER: the computer in these vehicles can wi-
thstand several triggerings. Therefore, it does not
have to be replaced after every triggering of the
air bag(s) or pretensioners (see "Computer" sec-
tion).
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IMPORTANT : before removing the air bag cus-
hion, lock the computer using the fault finding
tool.
When this operation is activated, all the trigge-
ring lines are inhibited, the air bag warning light
on the instrument panel is illuminated
Removal
IMPORTANT:The pyrotechnic systems (pretensio-
ners or air bags) must not be handled when near a
heat source or a flame because there is a risk that
the system will be triggered.
IMPORTANT : When removing the steering wheel,
the air bag connector must be disconnected (D)
(see below).
The air bag is fitted with a connector which short
circuits when it is disconnected to avoid incorrect
triggering .
Remove the air bag cushion by its two torx bolts
located behind the steering wheel and disconnect
its connector (D).
14036R1
IMPORTANT : before scrapping an untriggered air
bag module, it
MUST be destroyed in accordance
with the method described in the "Destruction
Procedure" section
Refitting
Reconnect the air bag cushion and mount it to
the steering wheel (tightening torque : 0.5
daN.m).
NOTE :press the connector in firmly on the cus-
hion side (D) (strong clipping system).
IMPORTANT : after refitting everything,carry out
a check using the fault finding tool .
Unlock the computer if everything is correct,
otherwise see the"Fault Finding" section.
REMINDER: the computer in these vehicles can wi-
thstand several triggerings. Therefore, it does not
have to be replaced after every triggering of the
air bag(s) or pretensioners (see "Computer" sec-
tion).
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IMPORTANT : before removing the air bag cus-
hion, lock the computer using the fault finding
tool.
When this operation is activated, all the trigge-
ring lines are inhibited, the air bag warning light
on the instrument panel is illuminated.
ROTARY SWITCH
The rotary switch ensures the electrical connec-
tion between the steering column and the stee-
ring wheel.
It consists of a strip with two conducting tracks
(air bag) of which the length is long enough to al-
low 2.5 turns of the steering wheel (full lock plus
safety) for each side.
Removal
IMPORTANT:The pyrotechnic systems (pretensio-
ners or air bags) must not be handled when near a
heat source or a flame because there is a risk that
the system will be triggered.
IMPORTANT : When removing the steering wheel,
the air bag connector must be disconnected (D)
(see below). The air bag is fitted with a connector
which short circuits when it is disconnected to
avoid incorrect triggering .
14036R1
Remove :
- the air bag cushion by its two torx bolts located
behind the steering wheel and disconnect its
connector (D).
- the steering wheel bolt,
- the steering wheel after positioning the wheels
straight,
- the half cowlings (three bolts).
Disconnect the stalks (windscreen wipers and
lights) and the rotary switch connector.
Before removing the assembly, the rotary switch
position must be noted:
- by ensuring that the wheels are straight during
removal in order to position the length of the
strip in the centre ,
- by checking that the mark "0" is correctly posi-
tioned opposite the fixed index (E).
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It consists of:
- an inflatable cushion,
- a pyrotechnic gas generator and ignition mo-
dule.
98124S
The air bag module components cannot be sepa-
rated.
NOTE : this system is operational when the igni-
tion has been switched on.
Accessing the ignition module
To access the ignition module of the passenger air
bag module, the upper part of the dashboard
must be removed.
Important, if the vehicle is fitted with a red
connector with lugs, see the recommendations on
the following page.
REMINDER: the ignition module check for the mo-
dule must be carried out using the
XRBAG as des-
cribed in the "Fault Finding" section.Removal
IMPORTANT:The pyrotechnic systems (pretensio-
ners or air bags) must not be handled when near a
heat source or a flame because there is a risk that
the system will be triggered.
IMPORTANT : Before removing a passenger air
bag module, lock the computer using the fault
finding tool.
When this operation is activated, all of the trigge-
ring lines are inhibited, the air bag warning light
on the instrument panel is illuminated.
To remove the passenger air bag module the up-
per part of the dashboard must be removed.
Remove:
- the windscreen pillar trim sections,
- the half cowlings under the steering wheel
- the mounting bolts on the upper part of the
dashboard and release it (for more details see
"section 83 in MR 337").
Disconnect the ignition module.
The passenger air bag module is mounted by six
bolts.
14092R1
IMPORTANT : In the event that the passenger air
bag module should be triggered, the deforma-
tion of the mountings (microcracks) means the
metal dashboard support beam must be replaced.
88-23