airbag RENAULT TWINGO 2009 2.G Electrical Equipment Workshop Manual

Contents
Proximity radar: Removal -
Refitting 87F-5
Parking distance control
computer: Removal -
Refitting 87F-6
88A WIRING HARNESS
Diagnostic socket: List and
location of components 88A-1
Wiring: Precautions for the
repair 88A-2
Front left-hand wiring:
Removal - Refitting 88A-3
Engine wiring: Connector
access 88A-10
Engine wiring: Removal -
Refitting 88A-16
Passenger compartment
wiring: Connector access 88A-43
Passenger compartment
wiring: Removal - Refitting 88A-54
Driver's front side door
wiring: Removal - Refitting 88A-66
Passenger's front side door
wiring: Removal - Refitting 88A-72
Rear bumper wiring:
Removal - Refitting 88A-78
88C AIR BAG AND PRETENSIONERS
Airbag and pretensioners:
Precautions for the repair 88C-1
Airbags and pretensioners:
Recycling - Destruction 88C-2
Airbag computer : Removal -
Refitting 88C-4
Driver's frontal airbag:
Removal - Refitting 88C-6 87F PARKING DISTANCE CONTROLPassenger's frontal airbag:
Removal - Refitting 88C-8
Front (chest-level) side
airbag: Removal - Refi tting 88C-11
Side cur tain airbag: Removal
- Refitting 88C-14
Side impact sensor: Removal
- Refitting 88C-18
Front buckle pretensioner:
Removal - Refitting 88C-21
Inhibitor switch: Removal -
Refitting 88C-24
88D DRIVER'S POSITION
Electrical accessories
socket: Removal - Refitting 88D-1 88C AIR BAG AND PRETENSIONERS

82A-3
ENGINE IMMOBILISER
Ignition switch: Removal - Refitting
82A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aSet the wheels straight ahead.
aLock the airbag computer using the Diagnostic tool
(see MR 413 Fault finding, 88C, Airbags and pre-
tensioners, Fault finding - Replacement of com-
ponents).
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) .
aRemove the rev counter (see 83A, Instrument pa-
nel, Rev counter: Removal - Refitting, page 83A-
3) .
aRemove:
-the driver's front airbag (see 88C, Air bag and Pre-
tensioners, Driver's frontal airbag: Removal -
Refitting, page 88C-6)
-the steering wheel ( (see Steering wheel: Remo-
val - Refitting) ),
-the steering column switch assembly (see 84A,
Control - Signals, Steering column switch as-
sembly: Removal - Refitting, page 84A-2) ,
-the antenna/transponder ring (see 82A, Engine
immobiliser, Transponder ring: Removal - Re-
fitting, page 82A-6) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
aMake a saw mark on the shear bolt.
aRemove the bolt (1) .
aLoosen the connector at (2) .
aDisconnect the starter switch connector. Equipment required
Diagnostic tool
ENGINE REV COUNTER
119489
119490

82A-5
ENGINE IMMOBILISER
Ignition switch: Removal - Refitting
82A
III - FINAL OPERATION.
aRefit:
-the antenna/transponder ring (see 82A, Engine
immobiliser, Transponder ring: Removal - Re-
fitting, page 82A-6) ,
-the steering column switch assembly (see 84A,
Control - Signals, Steering column switch as-
sembly: Removal - Refitting, page 84A-2) ,
-the steering wheel ( (see Steering wheel: Remo-
val - Refitting) ),
-the driver's front airbag (see 88C, Air bag and Pre-
tensioners, Driver's frontal airbag: Removal -
Refitting, page 88C-6) .
aRefit the rev counter (see 83A, Instrument panel,
Rev counter: Removal - Refitting, page 83A-3) .
aConnect the battery (see 80A, Battery, Battery: Re-
moval - Refitting, page 80A-2) .
aUnlock the airbag computer using the Diagnostic
tool (see MR 413 Fault finding, 88C, Airbags and
pretensioners, Fault finding - Replacement of
components). ENGINE REV COUNTER

84A-2
CONTROL - SIGNALS
Steering column switch assembly: Removal - Refitting84A
REMOVAL
I - REMOVAL PREPARATION OPERATION
a
Set the wheels straight ahead.
aLock the airbag computer using the Diagnostic tool
(see Fault finding - Replacement of components)
(88C, Airbags and pretensioners).
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) .
aRemove the rev counter (see 83A, Instrument pa-
nel, Rev counter: Removal - Refitting, page 83A-
3) .aRemove the lower cover bolts (1) .
aUnclip the upper cover at (2) .
aRemove the upper cover (3) . Equipment required
Diagnostic tool
WARNING
To prevent damaging the rotar y switch, do not turn
the mobile section of the rotary switch.
WARNING
Incorrect wheel alignment could ruin the rotary
switch.
ENGINE REV COUNTER
127437
127438

84A-3
CONTROL - SIGNALS
Steering column switch assembly: Removal - Refitting84A
aRemove the lower cover (4) .
aRemove:
-the driver's side front airbag (see 88C, Air bag and
Pretensioners, Driver's frontal airbag: Removal
- Refitting, page 88C-6) ,
-the steering wheel (see Steering wheel: Removal
- Refitting) (36B, Power-assisted steering),II - OPERATION FOR REMOVAL OF PART
CONCERNED
aLock the driver's front airbag (5) connector in the
housing of the radio satellite connector to immobilise
the rotary switch throughout the removal operation.
127439
127766

84A-5
CONTROL - SIGNALS
Steering column switch assembly: Removal - Refitting84A
aCheck that the rotary switch is positioned correctly:
the outlet for the driver's front airbag (9) wiring
always must be facing upwards.
aAt the last moment, remove the immobilised (10)
connector.
II - FINAL OPERATION.
aRefit:
-the steering wheel (see Steering wheel: Removal
- Refitting) (36B, Power-assisted steering),
-the driver's front airbag (see 88C, Air bag and Pre-
tensioners, Driver's frontal airbag: Removal -
Refitting, page 88C-6) .
-the cowlings under the steering wheel.
aRefit the rev counter (see 83A, Instrument panel,
Rev counter: Removal - Refitting, page 83A-3) .
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) (88C, Airbags and pretensioners).
aSwitch on the ignition.
aCheck the operation of the rotary switch:
-turn the steering wheel to the left until it stops,-turn the steering wheel to the right until it stops,
-check that there are no faults on the instrument pa-
nel.
127766
ENGINE REV COUNTER

84A-10
CONTROL - SIGNALS
Hazard warning lights and central door control: Removal - Refitting84A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aLock the airbag computer using the Diagnostic tool
(see MR 413 Fault finding, 88C, Airbags and pre-
tensioners, Fault finding - Replacement of com-
ponents).
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) .
aRemove:
-the instrument panel (see 83A, Instrument panel,
Instrument panel: Removal - Refitting, page
83A-1) ,
-the passenger front airbag (1) (see 88C, Air bag
and Pretensioners, Passenger's frontal airbag:
Removal - Refitting, page 88C-8) .
aUnclip the side trim from the driver's side dashboard
(2) .II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUnclip the dashboard central trim (3) .
aDisconnect the hazard warning light and central
door locking switch connector.
aUnclip the hazard warning light and central door loc-
king switch at (4) .
aRemove the hazard warning light and central door
locking switch (5) . Equipment required
Diagnostic tool
119517
119518
119539

84A-11
CONTROL - SIGNALS
Hazard warning lights and central door control: Removal - Refitting84A
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aRefit the hazard warning light and central door loc-
king switch.
aConnect the hazard warning light and central door
locking switch connector.
II - FINAL OPERATION.
aClip on:
-the dashboard central trim,
-the side trim from the driver's side dashboard.
aRefit:
-the passenger front airbag (see 88C, Air bag and
Pretensioners, Passenger's frontal airbag: Re-
moval - Refitting, page 88C-8) ,
-the instrument panel (see 83A, Instrument panel,
Instrument panel: Removal - Refitting, page
83A-1) .
aConnect the battery (see 80A, Battery, Battery: Re-
moval - Refitting, page 80A-2) .
aUnlock the airbag computer using the Diagnostic
tool (see MR 413 Fault finding, 88C, Airbags and
pretensioners, Fault finding - Replacement of
components).

87B-1
PASSENGER COMPARTMENT CONNECTION UNIT
UCH: Removal - Refitting
87B
REMOVAL
I - OPERATION FOR REMOVAL OF PART
CONCERNED
aWhen replacing, carry out the necessary operations
using the Diagnostic tool (see Fault finding - Re-
placement of components) (MR 413, 87B, Pas-
senger compartment connection unit).
a
aLock the airbag computer using the Diagnostic tool
(see Fault finding - Replacement of compo-
nents)(MR 413, 88C, Airbags and seat belt preten-
sioners).
aSwitch off the ignition.
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) .aUnclip the dashboard lower trim (1)
aDisconnect the different connectors (2) from the
dashboard lower trim. Equipment required
Diagnostic tool
RIGHT-HAND DRIVE
IMPORTANT
To avoid any risk of triggering when working on
or near a pyrotechnic component (airbags or pre-
tensioners), 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.
LEFT-HAND DRIVE
120278
119711

87B-2
PASSENGER COMPARTMENT CONNECTION UNIT
UCH: Removal - Refitting
87B
aUnclip the upper dashboard storage compartment
(3) .
aRemove:
-the glovebox (see Glovebox: Removal - Refit-
ting) (MR 412, 57A, Interior equipment),
-the passenger front airbag (see 88C, Air bag and
Pretensioners, Passenger's frontal airbag: Re-
moval - Refitting, page 88C-8) .aRemove the front left-hand side air distribution duct
(see Front side air distribution duct: Removal -
Refitting) (61A, Heating system).
II - OPERATION FOR REMOVAL OF PART
CONCERNED
aUnclip the UCH from its mounting at (5) .
aTilt the UCH at (6) .
119502
RIGHT-HAND DRIVE
121208
LEFT-HAND DRIVE
119507