
87D-21
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 5 Only the driver's window does not operate at all
Applies to:Driver's one-touch electric windows and passenger's
electric window
Left-hand drive vehicle
NOTESUse Wiring Diagram Technical Note, New Twingo.
Carry out the various checks with the battery charged, + after ignition feed switched
on and doors closed.
Check that the fuses are sound.
Using a 21 W test bulb and a multimeter.
Remove the driver's window winder switch (see
MR 411 mechanical, 87D Electric windows -
Sunroof, driver's door
front window winder switch: Removal -
Refitting) and disconnect its connector.
Shunt connection 21E to MAM to lower the
window (to raise it, shunt 21C to MAM) on the
connector of component 1512.
Does the window move?
YES
Replace the driver's window winder switch (see
MR 411 mechanical, 87D, Electric windows -
Sunroof, Driver's door front window winder
switch: Removal - Refitting).
NOUsing an ohmmeter, carry out a continuity
test on connection MAM between
component 1512 and the chassis earth.
Is the earth correct?
YES NO
NOCheck that earth MAM is correctly mounted
on the chassis. If the earth is faulty, clean and
retighten it.
Otherwise the fault is caused by the wiring;
if there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the
wiring; if not, replace it.
Check for an earth on connection MAM of
component 203
Is the earth correct?
YES
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).
A

87D-24
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 5 Only the driver's window does not operate at all
Applies to:Driver's one-touch electric windows and passenger's
electric window
Right-hand drive vehicle
NOTESUse Wiring Diagram Technical Note, New Twingo.
Carry out the various checks with the battery charged, + after ignition feed switched
on and doors closed.
Check that the fuses are sound.
Using a 21 W test bulb and a multimeter.
Remove the driver's window winder switch (see
MR 411 mechanical, 87D Electric windows -
Sunroof, driver's door
front window winder switch: Removal -
Refitting) and disconnect its connector.
Shunt connection 21E to MAN to lower the
window (to raise it, shunt 21C to MAN) on the
connector of component 1512.
Does the window move?
YES
Replace the driver's window winder switch (see
MR 411 mechanical, 87D, Electric windows -
Sunroof, Driver's door front window winder
switch: Removal - Refitting).
NOUse an ohmmeter to test the continuity on
connection MAN between component 1512
and the chassis earth.
Is the earth correct?
YESNO
NOCheck that earth MAN is correctly mounted
on the chassis. If the earth is faulty, clean and
retighten it.
Otherwise the fault is caused by the wiring;
if there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the
wiring; if not, replace it.
Check for earth on connection MAN of
component 203.
Is the earth correct?
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).
A
YES

87D-27
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 6Driver's and passenger's windows do not operate at all with the
driver's switch only
Applies to:Driver's one-touch electric windows and passenger's
electric window
Left-hand drive vehicle
NOTESUse Technical Note Wiring Diagram, New Twingo.
Carry out the various checks with the battery charged and + after ignition feed
switched on.
Use a multimeter.
Remove the driver's window winder switch (see
MR 411 mechanical, 87D Electric windows -
Sunroof, driver's door front
window winder switch: Removal - Refitting).
Use an ohmmeter to check the continuity on
connection MAM between component 1512 and
the chassis earth.
Is the continuity good?
YES
Replace the driver's window winder switch (see
MR 411 mechanical, 87D Electric windows -
Sunroof, Driver's door front
window winder switch: Removal - Refitting).
NOCheck that earth MAM is correctly mounted
on the chassis. If the earth is faulty, clean and
retighten it. If there is a repair procedure (see
Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair),
repair the wiring, otherwise replace it.
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).

87D-28
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 6Driver's and passenger's windows do not operate at all with the
driver's switch only
Applies to:Driver's one-touch electric windows and passenger's
electric window
Right-hand drive vehicle
NOTESUse Wiring Diagram Technical Note, New Twingo.
Carry out the various checks with the battery charged and + after ignition feed
switched on.
Use a multimeter.
Remove the driver's window winder switch (see
MR 411 mechanical, 87D Electric windows -
Sunroof, driver's door
front window winder switch: Removal -
Refitting).
Use an ohmmeter to check the continuity on
connection MAN between component 1512 and
the chassis earth.
Is the continuity good?
YES
Replace the driver's window winder switch (see
MR 411 mechanical, 87D, Electric windows -
Sunroof, Driver's door front window winder
switch: Removal - Refitting).
NOCheck that earth MAN is correctly mounted
on the chassis. If the earth is faulty, clean and
retighten it. If there is a repair procedure (see
Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair),
repair the wiring, otherwise replace it.
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).

87D-29
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
Continuity fault on connection SPB3. Pay
attention to the intermediate connector. If
there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the
wiring, otherwise replace it.
ALP 7 The passenger window does not operate at all with any switch
Applies to:Driver's one-touch electric windows and passenger's
electric window
Left-hand drive vehicle
NOTESUse Wiring Diagram Technical Note, New Twingo.
Carry out the various checks with the battery charged and + after ignition feed
switched on.
Check that the fuses are sound.
Use a 21 W test light.
Remove the passenger's window winder switch
(see MR 411 mechanical, 87D Electric
windows - Sunroof, passenger's
door front window winder switch:
Removal -Refitting) and disconnect its
connector.
Use the test light connected to the chassis earth
to check the feed on connections 22D and 22C
on component 133.
Are the feeds correct?
YES
Shunt connection 22B to MAN and 22A to 22C
to lower the window (to raise it, shunt 22A to
MAN and 22B to 22D), on the connector of
component 133.
Does the window move?
YES
Remove the passenger's window winder switch
(see MR 411 mechanical, 87D Electric
windows - Sunroof, passenger's
door front window winder switch:
Removal -Refitting).
NORemove the driver's window winder switch
(see MR 411 mechanical, 87D, Electric
windows - Sunroof, driver's door front
window winder switch: Removal -
Refitting) and disconnect its connector.
Use a test light connected to the chassis
earth to check the feed on connection SPB3
of component 1512.
Is the feed correct?
NO
NOYES
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).
BA

87D-31
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 7 The passenger window does not operate at all with any switch
Applies to:Driver's one-touch electric windows and passenger's
electric window
Right-hand drive vehicle
NOTESUse Wiring Diagram Technical Note, New Twingo.
Carry out the various checks with the battery charged and + after ignition feed
switched on.
Check that the fuses are sound.
Use a 21 W test light.
Remove the passenger's window winder switch
(see MR 411 mechanical, 87D Electric
windows - Sunroof, passenger's
door front window winder switch:
Removal -Refitting) and disconnect its
connector.
Use the test light connected to the chassis earth
to check the feed on connections 22D and 22C
on component 133.
Are the feeds correct?
YES
Shunt connection 22B to MAM and 22A to 22C
to lower the window (to raise the window
shunt 22A to MAM and 22B to 22D), on
connector of component 133.
Does the window move?
YES
Replace the passenger's window winder switch
(see MR 411 mechanical, 87D Electric
windows - Sunroof, passenger's
door front window winder switch:
Removal -Refitting).
NORemove the driver's window winder switch
(see MR 411 mechanical, 87D, Electric
windows - Sunroof, driver's door front
window winder switch: Removal -
Refitting) and disconnect its connector.
Use a test light connected to the chassis
earth to check the feed on connection SPB3
of component 1512.
Is the feed correct?
NO
NOContinuity fault on connection SPB3. Pay
attention to the intermediate connector. If
there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the
wiring, otherwise replace it.
YES
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).
BA

87D-33
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 8The passenger window does not operate at all with the passenger
switch only
Applies to:Driver's one-touch electric windows and passenger's
electric window
Left-hand drive vehicle
NOTESUse Wiring Diagram Technical Note, New Twingo.
Carry out the various checks with the battery charged and + after ignition feed
switched on.
Use a 21 W test light.
Remove the passenger's window winder switch
(see MR 411 mechanical, 87D, Electric
windows - Sunroof,
passenger's door front window winder
switch:
Removal -Refitting) and disconnect its
connector.
Connect a test light to connections MAN and
22C (or 22D) of component 133.
Does the bulb light up correctly?
YES
Replace the passenger's window winder switch
(see MR 411 mechanical, 87D, Electric
windows - Sunroof, passenger's
door front window winder switch:
Removal - Refitting).
NOContinuity fault on connection MAN.
Check that earth MAN is correctly mounted
on the chassis. If the earth is faulty, clean and
retighten it.
Otherwise the fault is caused by the wiring;
if there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the
wiring; if not, replace it.
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).

87D-34
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 8The passenger window does not operate at all with the passenger
switch only
Applies to:Driver's one-touch electric windows and passenger's
electric window
Right-hand drive vehicle
NOTESUse Wiring Diagram Technical Note, New Twingo.
Carry out the various checks with the battery charged and + after ignition feed
switched on.
Use a 21 W test light.
Remove the passenger's window winder switch
(see MR 411 mechanical, 87D Electric
windows - Sunroof, passenger's
door front window winder switch:
Removal -Refitting) and disconnect its
connector.
Connect a test light to connection MAM and 22C
(or 22D) of component 133.
Does the bulb light up correctly?
YES
Replace the passenger's window winder switch
(see MR 411 mechanical, 87D, Electric
windows - Sunroof, passenger's
door front window winder switch:
Removal - Refitting).
NOContinuity fault on connection MAM.
Check that earth MAM is correctly mounted
on the chassis. If the earth is faulty, clean and
retighten it.
Otherwise the fault is caused by the wiring; if
there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the
wiring; if not, replace it.
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).