Page 17 of 54

87D-17
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 4 The passenger window does not operate at all with any switch
Applies to:Driver and passenger electric windows
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.
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 22A to 22C and 22B to MAN
to lower the window (to raise it, shunt 22A to
MAN and 22B to 22C), on the 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).
NO
NO
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).
A
B
Page 18 of 54

87D-18
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 4
CONTINUED
Remove the driver's electric window switch
(see MR 411 mechanical, 87D Electric
windows - Sunroof, driver's door
front window winder switch: Removal -
Refitting).
Shunt connection SPB3 to 22D and 22C on
connector of component 1512.
Using the test light connected to the chassis
earth, check the feeds again on connections 22D
and 22C on component 133.
Are the feeds correct?
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).
NOContinuity fault on connection 22C and 22D.
If there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the
wiring, otherwise replace it.
Connect a test light between connections
22B and 22A on component 204.
Reconnect the electric window switch and
operate it. Does the test light illuminate?
YES
Replace the passenger's window winder
motor (see MR 412 bodywork, 51A, Side
opening element mechanisms, Front side
door electric window mechanism:
Removal - Refitting).
NO Continuity fault on connection 22A and 22B. 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).
A
B
Page 19 of 54

87D-19
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 4 The passenger window does not operate at all with any switch
Applies to:Driver and passenger electric windows
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.
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 22A to 22C and 22B to MAM
to lower the window (to raise the window shunt
22A to MAM and 22B to 22C), on the 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).
NO
NO
AFTER REPAIRCheck that the electric windows are operating correctly; if not, run fault finding
(see Customer complaints).
A
B
Page 20 of 54

87D-20
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 4
CONTINUED
Remove the driver's window winder switch (see
MR 411 mechanical, 87D
Electric windows - Sunroof, driver's door
front window winder switch: Removal -
Refitting).
Shunt connection SPB3 to 22D and 22C on
connector of component 1512.
Using the test bulb connected to the chassis
earth, check the feeds again on connections 22D
and 22C on component 133.
Are the feeds correct?
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).
NOContinuity fault on connection 22C and 22D.
If there is a repair procedure (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the
wiring, otherwise replace it.
Connect a test light between connections
22B and 22A on component 204.
Reconnect the electric window switch and
operate it. Does the test light illuminate?
YES
Replace the passenger's window winder
motor (see MR 412 bodywork, 51A, Side
opening element mechanisms, Front side
door electric window mechanism:
Removal - Refitting).
NO Continuity fault on connection 22A and 22B. 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).
A
B
Page 21 of 54

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
Page 22 of 54

87D-22
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 5
CONTINUED 1
Connect a test light between connection MAM
and BPT3 of component 203.
Does the test light illuminate?
YES
Use a multimeter to check the presence of +
12 V on both connections 21E and 21C of
component 1512.
Is the feed approximately 12 V?
YES
Check for + 12 V using a multimeter between
connections 21K and BPT3 of component 203.
Is the feed approximately 12 V?
YES
Replace the window winder motor (see MR 412
bodywork, 51A, Side opening element
mechanisms, Front side door electric
window mechanism: Removal - Refitting).
NO
NO
NOContinuity fault on connection BPT3, pay
close attention to the intermediate
connectors. Check the continuity.
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).
A
B
C
Page 23 of 54

87D-23
MR-413-X44-87D000$472_eng.mif
V1
New TwingoELECTRIC WINDOWS - SUNROOF
Electric windows - Fault finding chart87D
ALP 5
CONTINUED 2
Check the continuity on connections 21E and
21C, between components 1512 and 203.
Is the continuity of the connections good?
YES
Replace the window winder motor (see MR 412
bodywork, 51A, Side opening element
mechanisms, Front side door electric
window mechanism: Removal - Refitting).
Use an ohmmeter to test the continuity on
connection 21K between components 203
and 645.
Is the continuity correct?
YES
Use the diagnostic tool to check that
status ET087 “One touch window/sunroof
authorisation” displays “ACTIVE” and refer to
the fault finding for status ET087 (see 87B,
passenger compartment connection unit,
Interpretation of statuses).
NOIf there is a repair method (see Technical
Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair or
replace the wiring.
NOContinuity fault on connections 21K between
components 645 and 203. 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).
B
C
Page 24 of 54

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