2009 RENAULT TWINGO RS airbag

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

87B-3
PASSENGER COMPARTMENT CONNECTION UNIT
UCH: Removal - Refitting
87B
aExtract the UCH (7) by the location of the upper das-
hboard storage compartment.
aDisconnect the connectors (8) from the UCH.
aUnclip the UCH from its mounting at (5) .
aTilt the UCH at (6) .aExtract the UCH (7) by the location of the front pas-
senger's airbag.
aDisconnect the connectors (8) from the UCH.
aRemove the UCH.
REFITTING
I - REFITTING OPERATION FOR PART
CONCERNED
aConnect the UCH connectors.
aRefit the UCH on its mounting.
aClip the UCH onto its mounting.
II - FINAL OPERATION.
aRefit the front left-hand side air distribution duct (see
Front side air distribution duct: Removal - Refit-
ting) (61A, Heating system).
aClip the upper dashboard storage compartment into
place.
aConnect the various connectors of the dashboard
lower trim.
aClip on the dashboard lower trim.
121207
RIGHT-HAND DRIVE
125234
125235
LEFT-HAND DRIVE

87B-4
PASSENGER COMPARTMENT CONNECTION UNIT
UCH: Removal - Refitting
87B
aRefit:
-the passenger front airbag (see 88C, Air bag and
Pretensioners, Passenger's frontal airbag: Re-
moval - Refitting, page 88C-8) ,
-the glovebox (see Glovebox: Removal - Refit-
ting) (MR 412, 57A, Interior equipment).
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 seat belt preten-
sioners).
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). RIGHT-HAND DRIVE
RIGHT-HAND DRIVE

88A-54
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
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).
aSwitch off the ignition.
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) .aRemove:
-the rear lights on the wing (see 81A, Rear lighting,
Rear wing light: Removal - Refitting, page 81A-
3) ,
-the rear bumper (see Rear bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection),
-the front seats (see Complete front seat: Remo-
val - Refitting) (MR 412, 75A, Front seat frames
and runners),
-the rear bench seat base (see Rear bench seat
base: Removal - Refitting) (MR 412, 76A, Rear
seat frames and runners),
-the rear bench seatback (see Rear bench seat-
back: Removal - Refitting) (MR 412, 76A, Rear
seat frames and runners),
-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) (MR 411, 36A, Steering assembly).
aRemove the rev counter (see 83A, Instrument pa-
nel, Rev counter: Removal - Refitting, page 83A-
3) .
aRemove:
-the steering column switch assembly (see 84A,
Control - Signals, Steering column switch as-
sembly: Removal - Refitting, page 84A-2) ,
-the instrument panel (see 83A, Instrument panel,
Instrument panel: Removal - Refitting, page
83A-1) ,
-the passenger front airbag (see 88C, Air bag and
Pretensioners, Passenger's frontal airbag: Re-
moval - Refitting, page 88C-8) ,
-the glovebox (see Glovebox: Removal - Refit-
ting) (MR 412, 57A, Interior equipment),
-the radio (see 86A, Radio, Radio: Removal - Re-
fitting, page 86A-4) ,
-the centre front panel (see Centre front panel: Re-
moval - Refitting) (MR 412, 57A, Interior equip-
ment),
-the hazard warning lights control (see 84A, Con-
trol - Signals, Hazard warning lights and central
door control: Removal - Refitting, page 84A-10)
, Equipment required
Diagnostic tool
IMPORTANT
Consult the safety and cleanliness advice and ope-
ration recommendations before carrying out any
repair (see 88A, Wiring harness, Wiring: Precau-
tions for the repair, page 88A-2) .
IMPORTANT
To avoid any risk of triggering when working on or
near a pyrotechnic component (airbags or preten-
sioners), lock the airbag computer using the dia-
gnostic 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).
IMPORTANT
Never handle the pyrotechnic systems (pretensio-
ners or airbags) near to a source of heat or naked
flame - they may be triggered.
WARNING
To prevent damaging the connectors, consult the
disconnection procedures (see Connector: Dis-
connection and reconnection) (Technical Note
6015A, 88A, Wiring).
ENGINE REV COUNTER

88A-57
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
-the passenger compartment wiring / interior lights
wiring connector (20) .
aDisconnect the passenger compartment wiring / su-
nroof wiring connector (21) .
aDisconnect the fog light relay connector (22) .
aDisconnect the passenger compartment wiring / dri-
ver's door wiring connector (23) .
aRemove:
-the passenger compartment wiring / driver's door
wiring connector,
-the dashboard cross member earth wiring nut (24) .
aRemove the tunnel earth wiring nut (25) .
aDisconnect:
-the side impact sensor connectors (26) ,
-the gear lever switch connector (27) ,
-the airbag computer connector (28) .aRemove the radio earth wiring nut (29) .
aDisconnect the passenger compartment wiring /
passenger's door wiring connector (30) .
aRemove:
-the passenger compartment wiring / passenger's
door wiring connector bolts,
-the earth wiring nut on the right-hand side of the
dashboard (31) .
aUnclip:
-the section of wiring on the dashboard, OPENING ROOF
FOG LIGHTS
122349
122244
122346

88A-58
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
-the section of wiring on the floor.
aRemove the passenger compartment wiring.
REFITTING
I - REFITTING PREPARATIONS OPERATION
aIf replacing with more wiring, immobilise the unused
connectors (see Connector: Sealing and immobi-
lising) (Technical Note 6015A, 88A, Wiring).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the passenger compartment wiring.
aClip:
-the section of wiring onto the floor,
-the section of wiring onto the dashboard.
aRefit:
-the earth wiring nut on the right-hand side of the
dashboard,
-the passenger compartment wiring / passenger's
door wiring connector bolts.
aConnect the passenger compartment wiring / pas-
senger's door wiring connector.
aRefit the radio earth wiring nut.
aConnect:
-the airbag computer connector,
-the gear lever switch connector,
-the side impact sensor connectors.
aRefit:
-the tunnel earth wiring nut,
-the dashboard cross member earth wiring nut,
-the passenger compartment wiring / driver's door
wiring connector bolts.
aConnect the passenger compartment wiring / dri-
ver's door wiring connector.aConnect the fog light relay connector.
aConnect the passenger compartment wiring / sun-
roof wiring connector.
aConnect:
-the passenger compartment wiring / interior lights
wiring connector,
-the passenger compartment wiring / heating sys-
tem wiring connector,
-the UCH connectors,
-the rear fog light relay connector,
-the dipped headlights relay connector,
-the electric window relay connector,
-the passenger compartment fan assembly relay
connector,
-the passenger compartment fuse box connector,
-the passenger compartment wiring / front left-hand
wiring connectors.
aClip on the rear section of the wiring.
aRefit:
-the rear right-hand earth wiring nut,
-the rear left-hand earth wiring nut.
aConnect:
-the right-hand speaker connector,
-the left-hand speaker connector.
aConnect:
-the parking distance control computer connector, WARNING
To prevent any damage during the removal ope-
ration, check that the wiring is free from its moun-
tings (retaining clip, plastic clip, adhesive tape,
connector, etc.).
FOG LIGHTS
OPENING ROOF
WITH 4 SPEAKERS, WITHOUT RADIO or RADIO
NO. 03
REAR PROXIMITY RADAR

88A-59
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
-the parking distance control buzzer connector.
aConnect:
-the fuel pump connector,
-the rear wheel speed sensor wiring connectors,
-the passenger compartment wiring / tailgate wiring
connectors,
-the parking brake switch connector.
III - FINAL OPERATION.
aRefit:
-the rear wheel arch trim (see Rear wheel arch
trim: Removal - Refitting) (MR 412, 71A, Body in-
ternal trim),
-the rear quarter panel trims (see Quarter panel
trim: Removal - Refitting) (MR 412, 71A, Body in-
ternal trim),
-the rear parcel shelf side trims (see Rear parcel
shelf side trim: Removal - Refitting) (MR 412,
71A, Body internal trim),
-the floor carpets (see Floor carpet: Removal - Re-
fitting) (MR 412, 71A, Body internal trim),
-the rear panel trims (see Rear panel lining: Re-
moval - Refitting) (MR 412, 71A, Body internal
trim),
-the front door sill inner trims (see Front door sill
lining: Removal - Refitting) (MR 412, 71A, Body
internal trim),
-the dashboard (see Dashboard: Removal - Refit-
ting) (MR 412, 57A, Interior equipment),
-the tweeters (see 86A, Radio, Tweeter: Removal
- Refitting, page 86A-7) ,
-the centre console (see Centre console: Removal
- Refitting) (MR 412, 57A, Interior equipment),
-the A-pillar trims (see Windscreen pillar trim: Re-
moval - Refitting) (MR 412, 71A, Body internal
trim),
-the hazard warning lights control (see 84A, Con-
trol - Signals, Hazard warning lights and central
door control: Removal - Refitting, page 84A-10)
,
-the centre front panel (see Centre front panel: Re-
moval - Refitting) (MR 412, 57A, Interior equip-
ment),
-the radio (see 86A, Radio, Radio: Removal - Re-
fitting, page 86A-4) ,-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) ,
-the instrument panel (see 83A, Instrument panel,
Instrument panel: Removal - Refitting, page
83A-1) ,
-the steering column switch assembly (see 84A,
Control - Signals, Steering column switch as-
sembly: Removal - Refitting, page 84A-2) .
aRefit the rev counter (see 83A, Instrument panel,
Rev counter: Removal - Refitting, page 83A-3) .
aRefit:
-the steering wheel (see Steering wheel: Removal
- Refitting) (MR 411, 36A, Steering assembly),
-the driver's front airbag (see 88C, Air bag and Pre-
tensioners, Driver's frontal airbag: Removal -
Refitting, page 88C-6) ,
-the rear bench seatback (see Rear bench seat-
back: Removal - Refitting) (MR 412, 76A, Rear
seat frames and runners),
-the rear bench seat base (see Rear bench seat
base: Removal - Refitting) (MR 412, 76A, Rear
seat frames and runners),
-the front seats (see Complete front seat: Remo-
val - Refitting) (MR 412, 75A, Front seat frames
and runners),
-the rear bumper (see Rear bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection),
-the rear lights on the wing (see 81A, Rear lighting,
Rear wing light: Removal - Refitting, page 81A-
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) (MR 413, 88C, Airbags and pretensioners).
ENGINE REV COUNTER