RENAULT SCENIC 2008 J84 / 2.G Passenger Comparment Connection Unit Workshop Manual

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 311
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 311V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP11 No windscreen wiper park position
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Check status ET077 Wiper stalk position park
request.
Is status ET077 present?
YES
Contact the Techline.
NOApply interpretation of status ET077 Wiper
stalk position.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP11/UCH_V48_ALP11/UCH_V4C_ALP11/
UCH_V4D_ALP11/UCH_V4F_ALP11 /UCH_V50_ALP11

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 312
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 312V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP12 No windscreen wiper
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition of the windscreen wiper motor connections (with battery disconnected) and the UPC
connections.
Check the condition of the connections and the absence of interference resistance on the following
connections:
●Connection code 14L.
●Connection code 14K.
●Connection code 14M between components 645 and 1337.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check for an earth on connection MAS of component 212.
If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP12 /UCH_V48_ALP12/UCH_V4C_ALP12/
UCH_V4D_ALP12/UCH_V4F_ALP12/UCH_V50_ALP12

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 313
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 313V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP13 No front and rear screen washer
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Windscreen washer
Check status ET078 Front windscreen washer
request by moving the control stalk.
Is status ET078 present?
YES
Check for + 12 V between connections 16A and 24A
of component 677 (running).
Is there + 12 V?
YES
Check the hoses. If everything is OK.
Replace the washer fluid pump.
If the fault is still present, contact the Techline.
NOApply interpretation of status ET078 Front
windscreen washer request.
NOCheck the continuity and insulation of
connection 16A between components 677
and 1519.
Check the continuity and insulation of
connection 24A between components 677
and 1519.
If the connection or connections are faulty
and there is a repair procedure (see
Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair),
repair the wiring, otherwise replace it.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP13 /UCH_V48_ALP13/UCH_V4C_ALP13/
UCH_V4D_ALP13/UCH_V4F_ALP13/UCH_V50_ALP13

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 314
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 314V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP13
CONTINUED
Rear screen washer
Check status ET079 Rear windscreen washer
request by moving the control stalk.
Is status ET079 present?
YES
Check for + 12 V between connections 16A and 24A
of component 677 (running).
Is there + 12 V?
YES
Check the hoses. If everything is OK:
Replace the windscreen washer pump.
If the fault is still present, contact the Techline.
NOApply interpretation of status ET079 Rear
screen wiper request.
NOCheck the continuity and insulation of
connection 16A between components 677
and 1519.
Check the continuity and insulation of
connection 24A between components 677
and 1519.
If the connection or connections are faulty
and there is a repair procedure (see
Technical Note 6015A, Electrical wiring
repair, Wiring: Precautions for repair),
repair the wiring, otherwise replace it.
AFTER REPAIRCarry out a complete check using the diagnostic tool.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 315
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 315V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP14No headlight washers
(Only if VDIAG 44 UPC)
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Set the stalk to side lights and check whether status
ET081 Lighting stalk position is to Side lights.
YES
Check whether status ET078 Front windscreen
washer request is Present when the stalk is
operated.
YES
Run commands AC030 Headlight washer 1 relay
and AC031 Headlight washer 2 relay.
Can commands AC030 and AC031 be run?
YES
Check the condition of the pipes and nozzles. Repair
if necessary.
If the fault is still present, contact the Techline.
NOApply interpretation of status ET081
Lighting stalk position.
NOApply interpretation of status ET078
Windscreen washer request.
NOApply interpretation of commands AC030
Headlight washer 1 relay and AC031
Headlight washer 2 relay.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP14 /UCH_V48_ALP14/UCH_V4C_ALP14/
UCH_V4D_ALP14/UCH_V4F_ALP14/UCH_V50_ALP14

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 316
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 316V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP15No passenger window operation
(Driver and passenger electric windows)
NOTESUse the Wiring Diagram Technical Note and a multimeter.
Only check this customer complaint after performing a complete check with the
diagnostic tool.
For vehicles with Mégane II phase 2 bodywork, see 87D Electric windows -
Sunroof, Fault finding chart.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Remove the passenger's window winder switch (see MR 364 (Mégane II) or MR 370 (Scenic II) Mechanical
systems, 87D, Electric windows - Sunroof, Front window winder switch on passenger's door: Removal -
Refitting) and disconnect its connector.
Check for + 12 V on connections 22A and MAN of component 133.
Are the feeds correct?
YES NO
Shunt connections 22D and 22A and
connections 22C and 22B of component 133 to
lower the window (to raise the window shunt
connections 22C and 22A and connections 22B and
MAN of component 133).
Does the window move?
YES NO
Replace the passenger's window
winder switch (see MR 364
(Mégane II) or MR 370 (Scenic II)
Mechanical systems, 87D,
Electric windows - Sunroof, Front
window winder switch on
passenger's door: Removal -
Refitting).
Remove the passenger's window winder switch
(see MR 364 (Mégane II) or MR 370 (Scenic II)
Mechanical systems, 87D, Electric windows -
Sunroof, Front window winder switch on
passenger's door: Removal - Refitting).
Shunt connection 21C with connections 22A and
22D of component 1512.
Check for + 12 V again on connections 22A and
MAN of components 133.
Are the feeds correct?
YES NO
Replace the driver's electric window
switch (see MR 364 (Mégane II) or
MR 370 (Scenic II) Mechanical
systems, 87D, Electric windows -
Sunroof, Front electric window
switch on driver's door: Removal
- Refitting).
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP15 /UCH_V48_ALP15/UCH_V4C_ALP15/
UCH_V4D_ALP15/UCH_V4F_ALP15/UCH_V50_ALP15

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 317
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 317V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP15
CONTINUED
Connect a voltmeter across connections 22A and 22B
of component 204.
Reconnect the window winder switch and activate it.
Does the voltmeter display the correct supply?
YES NO
Replace the window winder motor
(see MR 365 (Mégane) or MR 371
(Scenic) Bodywork, 51A, Side
opening element mechanisms,
Front side door electric window lift
mechanism: Removal - Refitting).Check the continuity of the following connections:
●Connection code 22A between
components 1512 and 133.
●Connection code 22C between
components 133 and 1512.
If the continuity is faulty, check the intermediate
connectors.
If the connector is faulty and if there is a repair
procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair),
repair the connector; otherwise, replace the wiring.
Check the continuity of the following connections:
●Connection code 22A between
components 204 and 133.
●Connection code 22B between
components 204 and 133.
If the continuity is faulty, check the intermediate
connectors.
If the connector is faulty and if there is a repair
procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair),
repair the connector; otherwise, replace the wiring.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 318
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 318V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP16No passenger window operation
(Driver and passenger one-touch electric windows)
NOTESUse the Wiring Diagram Technical Note and a multimeter.
Only check this customer complaint after performing a complete check with the
diagnostic tool.
For vehicles with Mégane II phase 2 bodywork, see 87D Electric windows -
Sunroof, Fault finding chart.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Remove the passenger's window winder switch (see MR 364 (Mégane II) or MR 370 (Scenic II) Mechanical
systems, 87D, Electric windows - Sunroof, Front window winder switch on passenger's door: Removal -
Refitting) and disconnect its connector.
Shunt connections 22A and MAN of component 133 to lower the window and to raise the window shunt
connections 22B and MAN of component 133.
Does the window move?
YES NO
Replace the passenger's window winder switch
(see MR 364 (Mégane II) or MR 370 (Scenic II)
Mechanical systems, 87D, Electric windows -
Sunroof, Front window winder switch on
passenger's door: Removal - Refitting).
Check that the right-hand dashboard cross member
earth is in good condition and correctly secured to
the chassis.
If the earth is not in good condition, clean and
retighten the terminal.
If the earth is faulty, replace the wiring.
Check the continuity of the following connection:
●Connection code BP70 between components 204 and 260.
Check the intermediate connectors and the fuse if there is a continuity or supply fault.
If the connector is faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector; otherwise, replace the
wiring.
Check for earth on connection MAN of
component 204.
Is the earth correct?
NO YES
Connect a voltmeter across
connections BP70 and MAN of
component 204.
Does the voltmeter display the
correct supply?
NO YES
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP16 /UCH_V48_ALP16/UCH_V4C_ALP16/
UCH_V4D_ALP16/UCH_V4F_ALP16/UCH_V50_ALP16

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 319
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 319V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP16
CONTINUED
NOTESUse the Wiring Diagram Technical Note and a multimeter.
Only check this customer complaint after performing a complete check with the
diagnostic tool.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Using a multimeter, check for + 12 V
between connections BP70 and 21K of
component 204.
Is the voltage approximately 12 V?
YES
Using a multimeter, check for + 12 V between
connections 22A and 22B of component 133.
Is the voltage approximately 12 V?
YES
Replace the window winder motor (see MR 365
(Mégane) or MR 371 (Scenic) Bodywork, 51A,
Side opening element mechanisms, Front side
door electric window lift mechanism: Removal -
Refitting).
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
NOCheck the continuity on the following
connection:
●Connection code 21K between
components 645 and 204.
If one continuity is poor, check the
intermediate connectors.
If the connector is faulty and if there is a
repair procedure (see Technical Note
6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair
the connector; otherwise, replace the
wiring.
NOCheck the continuity of the following
connections:
●Connection code 22A.
●Connection code 22B between
components 204 and 133.
Is the continuity of the connections
correct?
YES NO
AFTER REPAIRCarry out a complete check using the diagnostic tool.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 320
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 320V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP17No passenger window operation
(Driver's one-touch electric window and passenger electric window)
NOTESUse the Wiring Diagram Technical Note and a multimeter.
Only check this customer complaint after performing a complete check with the
diagnostic tool.
For vehicles with Mégane II phase 2 bodywork, see 87D Electric windows -
Sunroof, Fault finding chart.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Remove the passenger's window winder switch (see MR 364 (Mégane II) or MR 370 (Scenic II) Mechanical
systems, 87D, Electric windows - Sunroof, Front window winder switch on passenger's door: Removal -
Refitting) and disconnect its connector. Check for + 12 V on connections 22D and 22C of component 133.
Are the feeds correct?
YES NO
Shunt connections 22C and 22B of component 133
and shunt connections 22D and 22A of
component 133 to lower the window (to raise the
window, shunt connections 22D and 22B of
component 133 and connections 22C and MAN of
component 133).
Does the window move?
YES NO
Replace the passenger's window
winder switch (see MR 364
(Mégane II) or MR 370 (Scenic II)
Mechanical systems, 87D,
Electric windows - Sunroof, Front
window winder switch on
passenger's door: Removal -
Refitting).
Remove the passenger's window winder switch
(see MR 364 (Mégane II) or MR 370 (Scenic II)
Mechanical systems, 87D, Electric windows -
Sunroof, Front window winder switch on
passenger's door: Removal - Refitting) and
disconnect its connector.
Check for + 12 V on connection 22C of component 1512.
Is the feed correct?
YES NO
Check the continuity on the following
connection:
●Connection code A1 between
components 260 and 1512.
If there is poor continuity, check the
intermediate connector.
If the connector is faulty and if there is a
repair procedure (see Technical Note
6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair
the connector; otherwise, replace the
wiring.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP17 /UCH_V48_ALP17/UCH_V4C_ALP17/
UCH_V4D_ALP17/UCH_V4F_ALP17/UCH_V50_ALP17