airbag RENAULT TWINGO 2009 2.G Electrical Equipment Service Manual

88C-21
AIR BAG AND PRETENSIONERS
Front buckle pretensioner: Removal - Refitting
88C
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aLock the airbag computer using the Diagnostic tool
(see Fault finding - Replacement of components)
(MR 413, 88C, Airbags and pretensioners).
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) .
aRemove the complete front seat (see Complete
front seat: Removal - Refitting) (MR 412, 75A,
Front seat frames and runners).aRemove:
-the front seat casing bolt (1) ,
-the front seat casing at (2) and (3) . Equipment required
Diagnostic tool
Tightening torquesm
front buckle pretensio-
ner bolt35 Nm
IMPORTANT
Consult the safety and cleanliness advice and ope-
ration recommendations before carrying out any
repair (see 88C, Air bag and Pretensioners, Air-
bag and pretensioners: Precautions for the
repair, page 88C-1) .
IMPORTANT
To prevent any accidental triggering whilst wor-
king on or near a pyrotechnic component (air-
bags 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 instrument panel lights up continuously (igni-
tion on).
IMPORTANT
Never handle the pyrotechnic systems (preten-
sioners or airbags) near to a source of heat or
naked flame - they may be triggered.
120846

88C-22
AIR BAG AND PRETENSIONERS
Front buckle pretensioner: Removal - Refitting
88C
II - OPERATION FOR REMOVAL OF PART
CONCERNED
a
aDisconnect the front buckle pretensioner connector
(4) .
aRemove:
-the front buckle pretensioner bolt (5) ,
-the front buckle pretensioner (6) .
REFITTING
I - REFITTING PREPARATION OPERATION
aAlways replace the pretensioner bolt.a
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit:
-the front buckle pretensioner ensuring the centring
device (7) is correctly positioned in the hole (8) on
the seat frame.
-the new front buckle pretensioner bolt.
aTorque tighten the front buckle pretensioner bolt
(35 Nm).
aConnect the front buckle pretensioner connector.
aFit the wiring in the position marked during the remo-
val operation.
III - FINAL OPERATION.
aRefit:
-the front seat casing,
-the front seat casing bolt,
-the complete front seat (see Complete front seat:
Removal - Refitting) (MR 412, 75A, Front seat fra-
mes and runners).
121603
WARNING
To prevent any malfunctions, mark the cable rou-
ting and how to connect the connectors.
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) .
Note:
Before refitting the new bolt, clean the thread
hole on the seat frame to remove any threadlock
residue from the old bolt.
123059

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.

88C-25
AIR BAG AND PRETENSIONERS
Inhibitor switch: Removal - Refitting
88C
II - FINAL OPERATION.
aCheck:
- the operation of the switch,
- the “airbag off” warning light on the instrument pa-
nel.