deactivate airbag RENAULT TWINGO RS 2009 2.G Electrical Equipment Workshop Manual
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Page 216 of 241
88C-1
AIR BAG AND PRETENSIONERS
Airbag and pretensioners: Precautions for the repair
88C
I - PRECAUTIONS FOR REPAIR
When working underneath the vehicle (on the bo-
dywork, sill panel, etc.) or for certain operations invol-
ving removal or refitting of seat trims, it is essential to
lock the airbag computer using the Diagnostic tool
and to disconnect the battery (see 80A, Battery, Bat-
tery: Removal - Refitting, page 80A-2) .The pyrotechnic systems (pretensioners and airbags)
must be checked using the Diagnostic tool :
-after an accident,
-after theft or attempted theft of the vehicle,
-before selling a used vehicle.
II - TRIGGERING OF THE SAFETY SYSTEMS
After detection of an impact, the airbag computer locks
definitively and the « airbag fault » warning light is illu-
minated on the instrument panel. The airbag computer
and the side impact sensors must always be replaced.
III - DURABILITY OF THE PYROTECHNIC
COMPONENTS
The precautions which recommended that pyrotechnic
components (airbags and pretensioners) were repla-
ced 10 years after the registration of the vehicle have
now been lifted.
Pyrotechnic components (airbags and pretensioners)
do not therefore require any maintenance. Equipment required
Diagnostic tool
IMPORTANT
All operations on airbag and pretensioner systems
must be carried out by qualified trained personnel.
The airbags have a pyrotechnic gas generator, with
an ignition module and bag which must not be
separated.
The pretensioners have a pyrotechnic gas genera-
tor and an igniter which must, under no circumstan-
ces, be separated.
IMPORTANT
Never handle the pyrotechnic systems (pretensio-
ners or airbags) near to a source of heat or naked
flame - they may be triggered.
IMPORTANT
To prevent any accidental triggering whilst w orking
on or near a pyrotechnic component (airbags or
pretensioners), lock the airbag computer using the
Diagnostic tool.
When this function is activated, all the trigger lines
are inhibited and the airbag warning light on the ins-
trument panel lights up contin uously (ignition on).
(see Fault finding - Replacement of compo-
nents) (88C, Airbag and pretensioners).
IMPORTANT
To prevent the pyrotechnic components from being
permanently deactivated or triggered (airbags or
pretensioners), check the airbag computer using
the Diagnostic tool.
IMPORTANT
In order to prevent interference with the deployment
of the airbags:
-do not fit a cover to the front seats,
-do not place objects in the area of deployment.
IMPORTANT
To eliminate the risk of any accident, do not reuse
pyrotechnic components.
It is essential to destroy pretensioners or airbags
before scrapping a vehicle or a part only (see 88C,
Air bag and Pretensioners, Airbags and preten-
sioners: Recycling - Destruction, page 88C-2) .
Page 228 of 241
88C-13
AIR BAG AND PRETENSIONERS
Front (chest-level) side airbag: Removal - Refitting
FRONT SIDE AIRBAG, and REAR AIRBAG 01
88C
aConnect the battery (see 80A, Battery, Battery: Re-
moval - Refitting, page 80A-2) .
aUnlock the airbag computer using the Diagnostic
tool (see Fault finding - Replacement of compo-
nents) (MR 413, 88C, Airbags and pretensioners).
(see 88C, Air bag and Pretensioners, Airbags
and pretensioners: Recycling - Destruction,
page 88C-2) . IMPORTANT
To prevent the pyrotechnic components from
being permanently deactivated or triggered (air-
bags or pretensioners), check the airbag compu-
ter using the Diagnostic tool
IMPORTANT
To eliminate the risk of any accident, do not
reuse pyrotechnic components.
It is essential to destroy pretensioners or airbags
before scrapping a vehicle or a part only.
Page 231 of 241
88C-16
AIR BAG AND PRETENSIONERS
Side curtain airbag: Removal - Refitting
FRONT SIDE AIRBAG, and REAR AIRBAG 01
88C
-the curtain side airbag retaining clips (4) using a
small flat-blade screwdriver.
aRemove:
-the curtain side airbag bolt (5) ,
-the curtain side airbag at (6) .
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace:
-the curtain side airbag,
-the curtain side airbag bolt,
-the front seat belt upper bolt.
a
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the new curtain side airbag,-the new curtain side airbag bolt.
aTighten to torque the curtain airbag bolt (8 Nm).
aRefit:
-the curtain side airbag retaining clips,
-the plastic clips.
aConnect the curtain airbag connector.
III - FINAL OPERATION.
aRefit:
-the headlining (see Headlining: Removal - Refit-
ting) (MR 412, 71A, Body internal trim),
-the B-pillar upper trims (see B-pillar upper trim:
Removal - Refitting) (MR 412, 71A, Body internal
trim),
-the rear quarter panel trims (see Quarter panel
trim: Removal - Refitting) (MR 412, 71A, Body in-
ternal trim),
-the rear panel trims (see Rear panel lining: Re-
moval - Refitting) (MR 412, 71A, Body internal
trim),
-the rear parcel shelf side trims (see Rear parcel
shelf side trim: Removal - Refitting) (MR 412,
71A, Body internal trim),
-the A-pillar trims (see Windscreen pillar trim: Re-
moval - Refitting) (MR 412, 71A, Body internal
trim),
-the interior rear-view mirror covers (see Interior
rear-view mirror: Removal - Refitting) (MR 412,
57A, Interior equipment),
-the sun visors (see Sun visor: Removal - Refit-
ting) (MR 412, 57A, Interior equipment),
-the rear seat belt upper bolt (see Rear seat belt:
Removal - Refitting) (MR 412, 59A, Safety equip-
ment),
-the front seat belt upper bolt (see Front seat belt:
Removal - Refitting) (MR 412, 59A, Safety equip-
ment).
aConnect the battery (see 80A, Battery, Battery: Re-
moval - Refitting, page 80A-2) .
121378
IMPORTANT
After a seat belt pyrotechnic component is trigge-
red, it is essential to replace certain parts.
(see 88C, Air bag and Pretensioners, Airbag
and pretensioners: Precautions for the repair,
page 88C-1) .
IMPORTANT
To prevent the pyrotechnic components from
being per manently deactivated or triggered (air-
bags or pretensioners), check the airbag compu-
ter using the Dia gnostic tool
Page 234 of 241
88C-19
AIR BAG AND PRETENSIONERS
Side impact sensor: Removal - Refitting
FRONT SIDE AIRBAG, and REAR AIRBAG 01
88C
II - OPERATION FOR REMOVAL OF PART
CONCERNED
a
aDisconnect the impact sensor connector (4) .aUndo the impact sensor bolt by six turns (1) .
aPress at (2) on the impact sensor bolt (1) , in order to
release the bolt cage (3) .
aSlide the impact sensor towards the rear of the vehi-
cle.
aRemove the impact sensor with the bolt and the bolt
cage.
REFITTING
I - REFITTING PREPARATIONS OPERATION
aAlways replace the side impact sensors.
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the new impact sensor.
aSlide the impact sensor towards the front of the vehi-
cle.
aTorque tighten the impact sensor bolt (8 Nm ).
aConnect the impact sensor connector.
III - FINAL OPERATION.
aRefit the complete front seat (see Complete front
seat: Removal - Refitting) (MR 412, 75A, Front
seat frames and runners).
aConnect the battery (see 80A, Battery, Battery: Re-
moval - Refitting, page 80A-2) .121815
121088
Note:
It is not necessary to remove the front door sill
lining.
Note:
The impact sensor bolt cage is not fixed to the
body
Do not remove the impact sensor bolt.
IMPORTANT
To prevent the pyrotechnic components from
being per manently deactivated or triggered (air-
bags or pretensioners), check the airbag compu-
ter using the Dia gnostic tool
Page 238 of 241
88C-23
AIR BAG AND PRETENSIONERS
Front buckle pretensioner: Removal - Refitting
88C
aConnect the battery (see 80A, Battery, Battery: Re-
moval - Refitting, page 80A-2) .
aUnlock the airbag computer using the Diagnostic
tool (see Fault finding - Replacement of compo-
nents) (MR 413, 88C, Airbags and pretensioners).
(see 88C, Air bag and Pretensioners, Airbags
and pretensioners: Recycling - Destruction,
page 88C-2) . IMPORTANT
To prevent the pyrotechnic components from
being permanently deactivated or triggered (air-
bags or pretensioners), check the airbag compu-
ter using the Diagnostic tool
IMPORTANT
To eliminate the risk of any accident, do not
reuse pyrotechnic components.
It is essential to destroy pretensioners or airbags
before scrapping a vehicle or a part only.