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

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -381
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -381V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP50
CONTINUED 5
Check the continuity on the switch between the
following connections:
Tilt left:
●Connection code 40A.
●Connection code BCP3 of component 134.
●Connection code MAM.
●Connection code 40E of component 134.
Tilt right:
●Connection code 40A.
●Connection code MAM of component 134.
●Connection code BCP43.
●Connection code 40E of component 134.
Check the continuity and insulation of the
following connections:
●Connection code 40C.
●Connection code 40A.
●Connection code 40E between components
134 and 239.
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.
Replace the door mirror.
Replace the switch if necessary.
AFTER REPAIRCarry out a complete check with the diagnostic tool.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -382
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -382V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP50
CONTINUED 6
Retractable door mirror. Right-hand door mirror.
Check the continuity on the switch between the
following connections:
Tilt up:
●Connection code 40B.
●Connection code BCP3 of component 134.
●Connection code MAM.
●Connection code 40E of component 134.
Tilt down:
●Connection code 40B.
●Connection code MAM of component 134.
●Connection code BCP3.
●Connection code 40E of component 134.
Replace the switch if necessary.
AFTER REPAIRCarry out a complete check with the diagnostic tool.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -383
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -383V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP50
CONTINUED 7
Check the continuity on the switch between the
following connections:
Tilt left:
●Connection code 40D.
●Connection code BCP3 of component 134.
●Connection code MAM.
●Connection code 40E of component 134.
Tilt right:
●Connection code 40D.
●Connection code MAM of component 134.
●Connection code BCP3.
●Connection code 40E of component 134.
Check the continuity and insulation of the
following connections:
●Connection code 40C.
●Connection code 40D.
●Connection code 40B between components
134 and 240.
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, replace the door mirror(s).
Replace the switch if necessary.
AFTER REPAIRCarry out a complete check with the diagnostic tool.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -384
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -384V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP51 + after ignition feed remains blocked
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Check status ET070 Start button.
Is the status Pressed when the switch is pressed?
YES
Run complete fault finding on the Protection and
Switching Unit.
NOApply interpretation of status ET070 Start
button.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP51 /UCH_V48_ALP51/UCH_V4C_ALP51/
UCH_V4D_ALP51/UCH_V4F_ALP51/UCH_V50_ALP51

87B-385
AFTER REPAIRCarry out a complete check with the diagnostic tool.
V9 MR-372-J84-87B000$990.mif
87B
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
Note: In Vdiag 44 vehicles, the Service warning light comes on with the instrument panel message.
ALP 52"Adjust tyre pressure" message appears
(the wheel concerned is highlighted on the display)
NOTESCheck that all the faulty tyres are fitted with tyre pressure monitor valves.
Make sure the tyre has the recommended
pressure specified on the label or in the
driver's handbook (not under- or over-
inflated).
Are the tyres at the recommended
pressures?Readjust the tyre inflation pressure.
Read the pressures in PR003
to PR006.
Do PR003 to PR006 match
the readings taken with the
pressure gauge (to within
0.2 bar)?Read the recommended
pressures in the UCH
(PR009 to PR012)
Do the values of these
parameters match the
manufacturer's
recommended
pressures?Write the recommended
pressures with command
VP005 Enter
recommended
pressures.
Program the four valve codes and reinstall the coloured rings in the
position indicated on the label on the driver's side.
NO
YES
YES
NO
ANO
YES
UCH_V44_ALP52 / UCH_V48_ALP52 / UCH_V4C_ALP52 / UCH_V4D_ALP52 / UCH_V4F_ALP52 / UCH_V50_ALP52
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart

87B-386
AFTER REPAIRCarry out a complete check with the diagnostic tool.
V9 MR-372-J84-87B000$990.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP 52
CONTINUED
Check the tyre pressure with
another gauge.
Does the new reading indicate
variation from the first gauge?
Adjust the tyre pressure,
taking into account the
pressure gauge variation.
Replace the faulty sensor(s).
A
NO
NO
YES

87B-387
AFTER REPAIRCarry out a complete check with the diagnostic tool.
V9 MR-372-J84-87B000$990.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP 53"Adjust tyre pressure" message appears
(2 wheels are highlighted on the display)
Note:
In Vdiag 44 vehicles, the Service warning light comes on with the instrument panel message.
NOTESCheck that all the faulty tyres are fitted with tyre pressure monitor valves.
Is there a pressure
imbalance between the left-
hand and right-hand tyre on
the same axle?Check the positions of
the coloured rings
against the label on the
driver's side.
Program the four valve
codes and reinstall the
coloured rings in the
position indicated on
the label on the driver's
side. Have the front and rear
tyres been swapped?
Adjust the tyre pressure to the
manufacturer's recommended
levels.
Is the fault still present?End of fault finding.
NO
YESYES
NO
B
NO
YES
A
UCH_V44_ALP53 / UCH_V48_ALP53 / UCH_V4C_ALP53 / UCH_V4D_ALP53 / UCH_V4F_ALP53 / UCH_V50_ALP53

87B-388
AFTER REPAIRCarry out a complete check with the diagnostic tool.
V9 MR-372-J84-87B000$990.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP 53
CONTINUED
Read the recommended
pressures in the UCH (PR009
to PR012).
Do the values of these
parameters match the
manufacturer's
recommended pressures?Write the recommended
pressures with command
VP005 Enter
recommended
pressures.
Contact the Techline.
A
YESB
NO
NO
YES

87B-389
AFTER REPAIRCarry out a complete check with the diagnostic tool.
V9 MR-372-J84-87B000$990.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP 54"Tyre sensor fault" message appears
(wheel warning light disappears)
NOTESCheck that all the faulty tyres are fitted with tyre pressure monitor valves.
Perform the necessary
work on the wheel with a
tyre pressure monitor
valve, then reinstall it on
the vehicle. Has one of the wheels been
replaced with the spare?
Program the four valve codes with
command SC002 Program the 4
valve codes.
Did the programming procedure
go properly?
End of fault
finding.
Replace the faulty valve.
YES
NO
NOYES
UCH_V44_ALP54 / UCH_V48_ALP54 / UCH_V4C_ALP54 / UCH_V4D_ALP54 / UCH_V4F_ALP54 / UCH_V50_ALP54

87B-390
AFTER REPAIRCarry out a complete check with the diagnostic tool.
V9 MR-372-J84-87B000$990.mif
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP 55"Tyre sensor fault" message appears
(4 wheel warning lights disappear)
NOTESCheck that all the faulty tyres are fitted with tyre pressure monitor valves.
Are the wheels fitted with tyre pressure
monitor valves?Either install tyre pressure monitor valves, or
deconfigure tyre pressure monitor in the
instrument panel.
Check the tyre pressure monitor configuration
in the UCH (LC017 Tyre pressure monitor
function).
Is the UCH configured "with" the tyre
pressure monitor function?Configure the UCH with the tyre pressure monitor
function using command CF023 Tyre pressure
monitor function under SC008 UCH type.
Program the four valve codes with command
SC002 Program the 4 valve codes. Have the valve codes been programmed?
Check that the ABS is transmitting the vehicle
speed (PR008 Vehicle speed).
Is there an ABS fault?Run full fault finding on the ABS.
UCH fault, contact Techline.
NO
YES
NO
YES
NO
YES
YES
NO
UCH_V44_ALP55 / UCH_V48_ALP55 / UCH_V4C_ALP55 / UCH_V4D_ALP55 / UCH_V4F_ALP55 / UCH_V50_ALP55