ECU RENAULT SCENIC 2008 J84 / 2.G Passenger Comparment Connection Unit User Guide
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Page 334 of 391
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 334
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 334V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP22
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.
Check for + 12 V between connections BP87 and
MAQ of component 201.
Is the feed correct?
NO
Check for + 12 V between connection BP87 and the
earth of the chassis.
Is the feed correct?
NO
Check the continuity on the following connection:
●Connection code BP87 between components 260 and 201.
If the continuity is faulty, 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.
If the continuity is correct, check the rear window winder motor 40A fuse.
If the fuse is in good condition and the fault is still present, contact the Techline.
YESCheck the continuity on the following
connection:
●Connection code 21K between
components 645 and 201.
If the continuity is faulty, 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.
YESCheck that the rear right-hand end panel
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.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
Page 335 of 391
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 335
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 335V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP23No electric window operation
(Driver's and passengers' 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 driver's window winder switch (see MR 364 (Mégane) or MR 370 (Scenic) Mechanical systems,
87D, Electric windows - Sunroof, Front window winder switch on driver's door: Removal - Refitting) and
disconnect its connector.
Check for + 12 V between track 5 of the driver's window winder switch white connector and track 4 of the driver's
window winder black connector.
Is the feed correct?
YES NO
Replace the driver's electric window switch
(see MR 364 (Mégane) or MR 370 (Scenic)
Mechanical systems, 87D, Electric windows -
Sunroof, Front electric window switch on
driver's door: Removal - Refitting).
Check that the left-hand dashboard cross member
earth is in good condition and secured correctly.
If the earth is not in good condition, clean and
retighten the terminal. If the earth is faulty, replace
the wiring.
If the fault is still present, contact the Techline.
Check for + 12 V between connection track 5 of the
driver's window winder switch white connector and
the chassis earth.
Is the feed correct?
YES NO
Check the continuity on the following connection:
●Connection code 21K between
components 203 and 645.
If the continuity is faulty, 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.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP23 /UCH_V48_ALP23/UCH_V4C_ALP23/
UCH_V4D_ALP23/UCH_V4F_ALP23/UCH_V50_ALP23