2009 RENAULT TWINGO RS Electrical Equipment Workshop Manual

88A-33
WIRING HARNESS
Engine wiring: Removal - Refitting
D4F or D7F
88A
-the section of wiring on the cylinder block and sub-
frame,
-the section of wiring on the engine cooling fan as-
sembly.
aRemove the engine harness.
REFITTING
I - REFITTING PREPARATIONS 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.
aConnect the engine cooling fan assembly connector.
aConnect:
-the engine cooling fan assembly connector,
-the engine cooling fan assembly resistor connec-
tor,
-the air conditioning compressor connector,
-the refrigerant fluid pressure sensor connector.
aConnect:
-the engine harness/front of engine wiring connec-
tor,-the connectors to the petrol injection computer,
-the crankshaft position sensor connector,
-the coolant temperature sensor connector,
-the motorised throttle valve connector,
-the air inlet pressure sensor connector,
-the pinking sensor connector,
-the air inlet temperature sensor connector,
-the engine harness/injection wiring connector,
-the alternator connector,
-the radio interference suppressor connector,
-the reversing lights switch connector,
-the downstream oxygen sensor connector,
-upstream oxygen sensor connector,
-the ignition coil connector,
-the fuel vapour absorber connector,
-the oil pressure sensor connector.
aRefit:
-the engine compartment connection unit supply
terminal nut,
-the wiring mounting nut on the battery protection
fuse board,
-the negative battery terminal wiring nuts,
-the positive battery terminal wiring nut,
-the earth wiring nut on the front left-hand side
member,
-the earth wiring nuts on the engine,
-the starter wiring nuts,
-the alternator earth wiring nut.
aClip:
-the section of wiring on the cylinder head,
-the section of wiring on the cylinder block and sub-
frame,
-the section of wiring on the engine cooling fan as-
sembly.
aRefit the engine harness. 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.).
D7F
STANDARD HEATING
AIR CONDITIONING
D4F

88A-34
WIRING HARNESS
Engine wiring: Removal - Refitting
D4F or D7F
88A
aConnect:
-the engine harness/sequential gearbox wiring con-
nector,
-the sequential gearbox computer connectors.
aConnect the engine cooling fan assembly connector.
aConnect:
-the engine cooling fan assembly connector,
-the engine cooling fan assembly resistor connec-
tor,
-the air conditioning compressor connector,
-the refrigerant fluid pressure sensor connector.aConnect:
-the engine harness/front of engine wiring connec-
tor,
-the connectors to the petrol injection computer,
-the coolant temperature sensor connector,
-the crankshaft position sensor connector,
-the engine harness/injection wiring connector,
-the pinking sensor connector,
-the alternator connector,
-the motorised throttle valve connector,
-the reverse gear switch connector,
-upstream oxygen sensor connector,
-the downstream oxygen sensor connector,
-the oil pressure sensor connector,
-the radio interference suppressor connector,
-the ignition coil connector,
-the fuel vapour absorber connector,
-the air inlet pressure sensor connector.
aRefit:
-the engine compartment connection unit supply
terminal nut,
-the wiring mounting nut on the battery protection
fuse board,
-the negative battery terminal wiring nuts,
-the positive battery terminal wiring nut,
-the earth wiring nut on the front left-hand side
member,
-the earth wiring nuts on the engine,
-the starter wiring nuts,
-the alternator earth wiring nut.
aClip:
-the section of wiring on the cylinder head,
-the section of wiring on the cylinder block and sub-
frame,
-the section of wiring on the engine cooling fan as-
sembly. JH1
STANDARD HEATING
AIR CONDITIONING

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