airbag RENAULT TWINGO 2009 2.G Electrical Equipment User Guide

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

88A-60
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
RIGHT-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 front airbag (see 88C, Air bag and Pre-
tensioners, 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 411, 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 411, 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-63
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
RIGHT-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 /
passenger's door wiring connector (23) .
aRemove:
-the passenger compartment wiring / passenger's
door wiring connector bolts,
-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 / dri-
ver's door wiring connector (30) .
aRemove:
-the passenger compartment wiring / driver's door
wiring connector,
-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
122348

88A-64
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
RIGHT-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 / driver's door
wiring connector bolts.
aConnect the passenger compartment wiring / dri-
ver'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 / passenger's
door wiring connector bolts.
aConnect the passenger compartment wiring / pas-
senger'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-65
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
RIGHT-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