RENAULT TWINGO RS 2009 2.G Electrical Equipment Workshop Manual

88A-35
WIRING HARNESS
Engine wiring: Removal - Refitting
D4F or D7F
88A
III - FINAL OPERATION.
aRefit:
-the battery tray (see 80A, Battery, Battery tray:
Removal - Refitting, page 80A-6) ,
-the air filter unit (see Air filter unit: Removal - Re-
fitting) (MR 411, 12A, Fuel mixture),
-the battery (see 80A, Battery, Battery: Removal -
Refitting, page 80A-2) ,
-the engine cover,
-the cover from the engine compartment connection
unit,
-the engine compartment connection unit cover
bolts.

88A-36
WIRING HARNESS
Engine wiring: Removal - Refitting
EQ UIPMENT LEVEL SPORT
88A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
aSwitch off the ignition.
aRemove:
-the engine undertray,
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the left-hand headlight (see 80B, Headlights,
Halogen headlight: Removal - Refitting, page
80B-7) ,
-the battery (see 80A, Battery, Battery: Removal -
Refitting, page 80A-2) ,
-the battery tray (see 80A, Battery, Battery tray:
Removal - Refitting, page 80A-6) ,
-the air filter unit (see Air filter unit: Removal - Re-
fitting) (12A, Fuel mixture),
-the windscreen wiper arms (see 85A, Wiping -
Washing, Windscreen wiper arm: Removal - Re-
fitting, page 85A-6) ,
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment).
aRemove the air pipe at the air filter unit inlet (1) . Equipment required
indelible pencil
Diagnostic tool
Tightening torquesm
starter supply nut8 N.m
starter solenoid nut5 N.m
alter nator positive termi-
nal nut21 N.m
earth nuts on the front
left-hand side member8 N.m
earth bolt on the gear-
box44 N.m
engine compartment
connection unit supply
terminal nut12 N.m
IMPORTANT
To avoid all risk of damage to the systems, apply
the safety and cleanliness instructions and opera-
tion recommendations before carrying out any
repair (see 88A, Wiring harness, Wiring: Precau-
tions for the repair, page 88A-2) .
WARNING
To prevent any damage to the connectors, consult
the disconnection procedures (see Connectors:
Disconnection and reconnection) (Technical
Note 6015A, 88A, Wiring).
131763

88A-37
WIRING HARNESS
Engine wiring: Removal - Refitting
EQ UIPMENT LEVEL SPORT
88A
aRemove:
-the bolts (2) from the engine compartment connec-
tion unit cover,-the cover to the engine compartment connection
unit.
aRemove the injection computer tamperproof panel
from the injection computer mounting.
II - OPERATION FOR REMOVAL OF PART
CONCERNED
a
aDisconnect the connectors from: - the camshaft position sensor (4) ,
121212
RIGHT-HAND DRIVE
WARNING
To prevent any risk of noise, premature wear,
shor t circuits, etc. after the refitting operation,
mark the wiring routing and how to connect the
connectors.
140655

88A-38
WIRING HARNESS
Engine wiring: Removal - Refitting
EQ UIPMENT LEVEL SPORT
88A
-the air temperature sensor (5) ,
-the coolant circuit pressure sensor (6) ,
-the alternator (7) ,
-the air conditioning compressor (8) ,
-the upstream oxygen sensor (9) ,
-the pinking sensor (10) ,
-the oil pressure sensor (11) ,
-the ignition coils (12) ,
-the engine wiring/injection wiring connector (R37)
(13) ,
-the coolant temperature sensor (14) ,
-the petrol injection computer (15) ,
-the engine fuse and relay box (16) ,
-the cooling fan assembly (17) ,
-the air conditioning fan assembly resistors (18) .
a
aRemove:
-the starter supply terminal nuts (19) ,
-the wiring nut on the alternator (20) ,
-the earth cable nuts on the front left-hand side
member (21) ,
-the earth cable bolt on the gearbox (22) ,
-the bolts of the engine wiring channel (23) ,
-the engine wiring support nut on the left-hand sus-
pended engine mounting (24) .
aUnclip:
-the distribution unit wiring section,
-the gearbox wiring section.aDisconnect the connectors from:
-the throttle valve (25) ,
-the downstream oxygen sensor (26) ,
-the crankshaft position sensor (27) ,
-the air inlet pressure sensor (28) ,
-the fuel vapour absorber bleed solenoid valve (29) ,
-the reverse gear switch (30) . Note:
Before removing the earth terminal, mark its
position using a indelible pencil by drawing a
line on the earth terminal and on the gearbox
housing.
When reassembling, improper positioning of the
earth ter minal on the gearbox casing could result
in damage to the earth terminal or earth wiring.
140656

88A-39
WIRING HARNESS
Engine wiring: Removal - Refitting
EQ UIPMENT LEVEL SPORT
88A
aUnlock the engine wiring/front of engine wiring con-
nector (31) (R67).
aDisconnect the engine wiring/front of engine wiring
connector (31) (R67).
aRemove:
-the nut (32) of the engine compartment connection
unit supply terminal,
-the fuse holder assembly (33) of the engine com-
partment connection unit.aRemove:
-the engine compartment connection unit nuts (34) ,
-the engine wiring.
REFITTING
I - REFITTING PREPARATION OPERATION
aIf replacing with a complete wiring harness, lock the
unused connectors (see Connectors: Sealing and
locking) (Technical Note 6015A, 88A, Wiring).
II - REFITTING OPERATION FOR PART
CONCERNED
aRefit the engine harness.
aPosition the engine wiring starter terminals facing
the starter studs.
121213
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.).
121215

88A-40
WIRING HARNESS
Engine wiring: Removal - Refitting
EQ UIPMENT LEVEL SPORT
88A
aFit the engine wiring channel pin (35) in the clutch
housing hole.
aRefit the engine wiring channel on the water cham-
ber (36) .
aClip:
-the engine wiring onto the intake distributor (37) ,
-the ignition coil bypasses on the intake distributor
(38) .
aConnect the connectors of:
-the ignition coils,
-the camshaft position sensor,
-the air temperature sensor,
-the alternator,
-the coolant circuit pressure sensor,
-the air conditioning compressor,
-the upstream oxygen sensor,
-the pinking sensor,
-the oil pressure sensor.aRefit:
-the starter supply terminal,
-the starter solenoid terminal,
-the alternator positive terminal.
aTighten to torque:
-the starter supply nut (8 N.m),
-the starter solenoid nut (5 N.m),
-the alternator positive terminal nut (21 N.m).
aConnect the connectors of:
-the air conditioning fan assembly resistors,
-the cooling fan assembly,
-the coolant temperature sensor,
-the throttle valve,
-the downstream oxygen sensor,
-the crankshaft position sensor.
aRefit:
-the earths on the front left-hand side member, posi-
tioning the cables in the position marked during re-
moval,
-the earth cable on the gearbox in the position mar-
ked during removal.
aTighten to torque:
-the earth nuts on the front left-hand side mem-
ber (8 N.m),
-the earth bolt on the gearbox (44 N.m).
141122
141121

88A-41
WIRING HARNESS
Engine wiring: Removal - Refitting
EQ UIPMENT LEVEL SPORT
88A
aIndex the engine wiring retaining bracket in the hole
(39) of the battery tray mounting.
aRefit the engine wiring clamp on the bracket (40) .
aConnect the reverse gear switch connector.
aClip the bypass of the positive cable and earth cable
onto the mounting bracket (41) of the air filter tie rod.
aRefit:
-the engine compartment connection unit,
-the supply terminal of the engine compartment
connection unit.-the fuse holders on the engine compartment con-
nection unit,
aConnect the engine wiring/front of engine wiring
connector (R67).
aLock the engine wiring/front of engine wiring con-
nector (R67).
aTorque tighten the engine compartment connec-
tion unit supply terminal nut (12 N.m).
aRefit the cover of the engine compartment connec-
tion unit and check that the cover is definitely in con-
tact with the unit casing.
aConnect the injection computer connectors.
aRefit the injection computer tamperproof panel on
the injection computer mounting.
III - FINAL OPERATION
aRefit:
-the air pipe at the air filter unit inlet,
-the air filter unit (see Air filter unit: Removal - Re-
fitting) (12A, Fuel mixture),
-the battery tray (see 80A, Battery, Battery tray:
Removal - Refitting, page 80A-6) ,
-the battery (see 80A, Battery, Battery: Removal -
Refitting, page 80A-2) ,
-the cover from the engine compartment connection
unit,
-the scoop under the scuttle panel grille (see Scoop
under the scuttle panel grille: Removal - Refit-
ting) (56A, Exterior equipment),
-the scuttle panel grille (see Scuttle panel grille:
Removal - Refitting) (56A, Exterior equipment),
-the windscreen wiper arms (see 85A, Wiping -
Washing, Windscreen wiper arm: Removal - Re-
fitting, page 85A-6) ,
-the left-hand headlight (see 80B, Headlights,
Halogen headlight: Removal - Refitting, page
80B-7) ,
-the front bumper (see Front bumper: Removal -
Refitting) (55A, Exterior protection),
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (55A, Exterior protec-
tion),
141123
141124
RIGHT-HAND DRIVE

88A-42
WIRING HARNESS
Engine wiring: Removal - Refitting
EQ UIPMENT LEVEL SPORT
88A
-the front wheels (see Wheel: Removal - Refitting)
(35A, Wheels and tyres),
-the engine undertray.
IV - CHECKING AFTER REPAIR
aSwitch on the ignition.
aConnect the Diagnostic tool
aCheck that there are no faults.

88A-43
WIRING HARNESS
Passenger compartment wiring: Connector access
LEFT-HAND DRIVE
88A
I - LOCATION OF CONNECTORS
1 - R 107
aR 107 connectors (Dashboard / front of engine con-
nection).
2 - R 99
aR 99 connector (Dashboard / heating system con-
nection).3 - R 301
aR 301 connectors (Dashboard / interior lights con-
nection).
4 - R 3
aR 3 connector (Dashboard / driver's door connec-
tion).
122341
122341
122345
122345

88A-44
WIRING HARNESS
Passenger compartment wiring: Connector access
LEFT-HAND DRIVE
88A
5 - R 4
aR 4 connector (Dashboard / passenger's door con-
nection).
6 - R 334
aR 334 connector (Passenger compartment / passen-
ger's front seat connection).7 - R 335
aR 335 connector (Passenger compartment / driver's
front seat connection).
8 - R 15
aR 15 connectors (Rear left-hand / tailgate connec-
tion).
122346
Note:
Connectors R 3 and R 4 are identical.
122349
122349
Note:
Connectors R 334 and R 335 are identical.
122356