heater RENAULT TWINGO RS 2009 2.G Electrical Equipment Workshop Manual

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-18
WIRING HARNESS
Engine wiring: Removal - Refitting
K9K
88A
-the connector from the water detection sensor on
the fuel filter (4) ,
-the camshaft position sensor connector (5) ,
-the pinking sensor connector (6) ,
-the turbocharging pressure sensor connector (7) ,
-the air temperature sensor connector (8) ,
-the injector connector (9) ,
-the heater plugs connector (10) ,
-the fuel temperature sensor connector (11) ,
-the fuel rail pressure sensor connector (12) ,
-the diesel injection computer connectors (13) ,
-the pre-postheating unit connector (14) ,
-the exhaust gas recirculation solenoid valve con-
nector (15) ,
-the coolant temperature sensor connector (16) ,
-the crankshaft position sensor connector (17) ,
-the reversing lights switch connector (18) ,
-the front of engine wiring/engine harness connec-
tor (19) .
aDisconnect the cooling fan assembly connector (20)
.aDisconnect:
-the engine cooling fan assembly connector (21) ,
-the engine cooling fan assembly resistor connector
(22) ,
-the refrigerant fluid pressure sensor connector (23)
,
-the air conditioning compressor connector (24) .
aRemove:
-the alternator earth wiring nut (25) ,
-the nuts from the starter supply and earth terminals
(26) ,
-the engine earth wiring nut (27) ,
-the positive battery terminal wiring nut (28) ,
-the earth wiring nut on the front left-hand side
member (29) ,
-the battery protection fuse wiring nuts (30) ,
-the wiring mounting nut on the battery protection
fuse board (31) ,
-the engine compartment connection unit supply wi-
ring nut (32) .
aUnclip:
-the section of wiring on the cylinder head, STANDARD HEATING
122359
AIR CONDITIONING
125249

88A-19
WIRING HARNESS
Engine wiring: Removal - Refitting
K9K
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 air conditioning compressor connector,
-the refrigerant fluid pressure sensor connector,
-the engine cooling fan assembly resistor connec-
tor,
-the engine cooling fan assembly connector.
aConnect:
-the engine harness/front of engine wiring connec-
tor,
-the reversing lights switch connector,
-the crankshaft position sensor connector,
-the coolant temperature sensor connector,
-the air inlet temperature sensor connector,-the exhaust gas recirculation solenoid valve con-
nector,
-the connector to the pre-postheating unit,
-the diesel injection computer connectors,
-the fuel rail pressure sensor connector,
-the fuel temperature sensor connector,
-the heater plugs connector,
-the injector connectors,
-the air temperature sensor connector,
-the turbocharging pressure sensor connector,
-the pinking sensor connector,
-the camshaft position sensor connector,
-the connector from the water detection sensor on
the fuel filter,
-the alternator connector,
-the oil pressure sensor connector.
aRefit:
-the engine compartment connection unit supply wi-
ring nut,
-the wiring mounting nut on the battery protection
fuse board,
-the battery protection fuse wiring nuts,
-the earth wiring nut on the front left-hand side
member,
-the positive battery terminal wiring nut,
-the engine earth wiring nut,
-the starter supply and earth terminal 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.
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), 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.).
STANDARD HEATING
AIR CONDITIONING

88A-23
WIRING HARNESS
Engine wiring: Removal - Refitting
D4F, and 780
88A
-the oil vapour recirculation hose reheater connec-
tor (5) ,
-the engine harness/injection wiring connector (6) ,
-the coolant temperature sensor connector (7) ,
-the crankshaft position sensor connector (8) ,
-the oil pressure sensor connector (9) ,
-the alternator connector (10) ,
-the pinking sensor connector (11) ,
-the air temperature sensor connector (12) ,
-the turbocharger pressure sensor connector (13) ,
-the motorised throttle valve connector (14) ,
-the ignition coil connector (15) ,
-the turbocharger solenoid valve connector (16) ,
-the downstream oxygen sensor connector (17) ,
-the reversing lights switch connector (18) ,
-the petrol injection computer connectors (19) ,
-the engine harness/front of engine wiring connec-
tor (20) .
aDisconnect the cooling fan assembly connector (21)
.aDisconnect:
-the engine cooling fan assembly connector (22) ,
-the engine cooling fan assembly resistor connector
(23) .
-the refrigerant fluid pressure sensor connector (24)
,
-the air conditioning compressor connector (25) ,
aRemove:
-the alternator earth wiring nut (26) ,
-the nuts from the starter supply and earth terminals
(27) ,
-the earth wiring nuts on the engine (28) ,
-the earth wiring nut on the front left-hand side
member (29) ,
-the positive battery terminal wiring nut (30) ,
-the negative battery terminal wiring nuts (31) ,
-the wiring mounting nut on the battery protection
fuse board (33) ,
-the engine compartment connection unit supply
terminal nut (32) .
aUnclip:
-the section of wiring on the cylinder head, STANDARD HEATING
122359
AIR CONDITIONING
125249

88A-24
WIRING HARNESS
Engine wiring: Removal - Refitting
D4F, and 780
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 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.
aConnect the engine cooling fan assembly connector.
aConnect:
-the air conditioning compressor connector,
-the refrigerant fluid pressure sensor connector,
-the engine cooling fan assembly connector,
-the engine cooling fan assembly resistor connec-
tor.
aConnect:
-the engine harness/front of engine wiring connec-
tor,
-the connectors to the petrol injection computer,
-the reversing lights switch connector,
-the downstream oxygen sensor connector,
-the turbocharger solenoid valve connector,-the ignition coil connector,
-the motorised throttle valve connector,
-the turbocharger pressure sensor connector,
-the air temperature sensor connector,
-the pinking sensor connector,
-the alternator connector,
-the oil pressure sensor connector,
-the crankshaft position sensor connector,
-the coolant temperature sensor connector,
-the engine harness/injection wiring connector,
-the oil vapour recirculation hose reheater connec-
tor,
-the air inlet pressure sensor connector,
-upstream oxygen sensor connector,
-the fuel vapour absorber 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.
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) , 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.).
STANDARD HEATING
AIR CONDITIONING