RENAULT TWINGO 2009 2.G Electrical Equipment Workshop Manual

88A-5
WIRING HARNESS
Front left-hand wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
aUnclip the engine compartment connection unit
board at (9) .
121217

88A-6
WIRING HARNESS
Front left-hand wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
aDisconnect:
-the front right-hand indicator connector (10) ,
-the front right-hand headlight connector (11) ,
-the front right-hand side light connector (12) ,
125417
122340122341

88A-7
WIRING HARNESS
Front left-hand wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
-the horn connector (13) ,
-the windscreen washer pump connector (14) ,
-the front left-hand side light connector (15) ,
-the front left-hand headlight connector (16) ,
-the front left-hand indicator connector (17) ,
-the headlight beam adjustment motor connectors
(18) ,
-the front right-hand wheel speed sensor connector
(19) ,
-the hydraulic brake unit connector (20) ,
-the injection computer connector (21) ,
-the front left-hand wheel speed sensor connector
(22) ,
-the front left-hand wiring/passenger compartment
wiring connectors (23) ,
-the clutch pedal position sensor connector (24) ,
-the STOP warning light switch connector (25) ,
-the acceleration pedal potentiometer connector
(26) .
aDisconnect the regulated additional heater connec-
tor (27) .
aRemove the additional heater earth wiring nut (28) .
aDisconnect the gearbox pump assembly relay con-
nector (29) .
aRemove:
-the earth wiring nut on the front right-hand side
member (30) ,
-the earth wiring nut on the front left-hand side
member (31) ,
-the earth wiring nut on the body (32) ,
-the hydraulic brake unit earth wiring nut (33) ,
-the earth wiring nut on the negative battery terminal
(34) ,
-the earth wiring nut on the bodywork (35) ,-the front windscreen wiper mechanism (see 85A,
Wiping - Washing, Windscreen wiper mecha-
nism: Removal - Refitting, page 85A-10) .
aUnclip:
-the section of wiring from the bulkhead,
-the section of wiring on the front bumper cross
member,
-the section of wiring from the windscreen washer
reservoir
-the section of wiring from the dashboard cross
member.
aUnclip the front left-hand wiring from the bulkhead.
aRemove the front left-hand wiring through the engi-
ne compartment.
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
aPosition the front left-hand wiring across the bulk-
head.
aClip the front left-hand wiring onto the bulkhead.
aConnect:
-the acceleration pedal potentiometer connector,
-the STOP warning light switch connector,
-the clutch pedal position sensor connector ,
-the front left-hand wiring/passenger compartment
wiring connectors,
-the injection computer connector,
-the front left-hand wheel speed sensor connector,
-the hydraulic brake unit connector,
-the front right-hand wheel speed sensor connector,
-the headlight beam adjustment motor connectors, CLIMATE CONTROL
JH1
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.).

88A-8
WIRING HARNESS
Front left-hand wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
-the front left-hand indicator connector,
-the front left-hand headlight connector,
-the front left-hand side light connector,
-the windscreen washer pump connector,
-the horn connector,
-the front right-hand side light connector,
-the front right-hand headlight connector,
-the front right-hand indicator connector.
aConnect the regulated additional heater connector.
aRefit the additional heater earth wiring nut.
aConnect the gearbox pump assembly relay connec-
tor.
aRefit:
-the windscreen wiper mechanism (see 85A, Wi-
ping - Washing, Windscreen wiper mechanism:
Removal - Refitting, page 85A-10) ,
-the earth wiring nut on the bodywork,
-the earth wiring nut on the negative battery termi-
nal,
-the hydraulic brake unit earth wiring nut,
-the earth wiring nut on the body,
-the earth wiring nut on the front left-hand side
member,
-the earth wiring nut on the front right-hand side
member,
aClip:
-the section of wiring onto the dashboard cross
member,
-the section of wiring onto the windscreen washer
reservoir
-the section of wiring onto the front bumper cross
member,
-the section of wiring onto the bulkhead.
aRefit the engine compartment connection unit nuts.aClip on:
-the fuse holders,
-the front left-hand wiring/engine harness connec-
tor.
aConnect the front left-hand wiring/engine harness
connector.
aRefit:
-the engine compartment connection unit supply wi-
ring nut,
-the fuses.
aClip on the engine compartment connection unit
board.
III - FINAL OPERATION
aRefit:
-the cover from the engine compartment connection
unit,
-the bolts.
aConnect the cruise control switch connector.
aRefit the dashboard lower trim.
aClip the glovebox in position.
aRefit:
-the left-hand suspended engine mounting (see
Left-hand suspended engine mounting: Remo-
val - Refitting) (MR 411, 19D, Engine mounting),
-the brake servo (see Brake servo: Removal - Re-
fitting) (MR 411, 37A, Mechanical component con-
trols),
-the master cylinder (see Master cylinder: Remo-
val - Refitting) (MR 411, 37A, Mechanical compo-
nent controls),
-the side indicators (see 80B, Headlights, Side in-
dicator: Removal - Refitting, page 80B-13) ,
-the front bumper (see Front bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection), CLIMATE CONTROL
JH1
WARNING
To prevent damage to the wiring har ness when
refitting, obser ve the original routing.
CRUISE CONTROL

88A-9
WIRING HARNESS
Front left-hand wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
-the front wheel arch liners (see Front wheel arch
liner: Removal - Refitting) (MR 412, 55A, Exterior
protection),
-the battery tray (see 80A, Battery, Battery tray:
Removal - Refitting, page 80A-6) ,
-the battery (see 80A, Battery, Battery: Removal -
Refitting, page 80A-2) .

88A-10
WIRING HARNESS
Engine wiring: Connector access
88A
I - LOCATION OF CONNECTORS
aR 67 connector (engine/front of engine connection).
aR 37 connector (engine/injection connection).
122340
D7F
122366

88A-11
WIRING HARNESS
Engine wiring: Connector access
88A
aR 37 connector (engine/injection connection). D4F, and 740 or 772
122361

88A-12
WIRING HARNESS
Engine wiring: Connector access
88A
aR 37 connector (engine/injection connection). D4F, and 780
122364

88A-13
WIRING HARNESS
Engine wiring: Connector access
88A
aR 22 connector (engine harness/automatic trans-
mission connection).
II - ACCESSING THE CONNECTORS
a
aSwitch off the ignition.
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) Accessing the R 67 connector
aRemove:
-the engine compartment connection unit cover
bolts (1) ,
-the engine compartment connection unit cover (2) .
aDisconnect the R 67 connector. JH1
122154
IMPORTANT
Consult the safety and cleanliness advice and
operation recommendations before carrying out
any repair (see 88A, Wiring harness, Wiring:
Precautions for the repair, page 88A-2) .
WARNING
To prevent damaging the connectors, consult the
disconnection procedure (see Connector: Dis-
connection and reconnection) (Technical Note
6015A, 88A, Wiring).
121212
121213

88A-14
WIRING HARNESS
Engine wiring: Connector access
88A
Accessing the R 37 connector
aDisconnect the R 37 connector.
Accessing the R 37 connector
aRemove the air filter unit (3) (see Air filter unit: Re-
moval - Refitting) (MR 411, 12A, Fuel mixture).aDisconnect the R 37 connector. D7F
121737
D4F
120409
D4F, and 740 or 772
121733