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

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 - 348
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 348V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP28 Fault locking/unlocking boot via card button
NOTESCheck that there is no APC or card in the card reader.
First carry out a function fault finding check.
Test with the other card.
Check the condition of the batteries.
Check if the direction indicator lights flash once on unlocking and twice on locking.
NOYES
Check that statuses ET066 Card button press received and ET067 Card button press
recognised are YES after pressing the card's lock or unlock button.
If not, apply the fault finding procedures for those statuses.
Check that the boot is not detected as OPEN using status ET050 Tailgate/Boot.
If not, apply the fault finding procedures for this status.
Check that the boot is not detected as OPEN using status ET050 Tailgate/Boot.
If not, apply the fault finding procedures for this status.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP28 /UCH_V48_ALP28/UCH_V4C_ALP28/
UCH_V4D_ALP28/UCH_V4F_ALP28/UCH_V50_ALP28

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 354
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 354V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP33 Locking fault in hands-free mode
NOTESCheck that there is no APC or card in the card reader.
Conduct the tests with the other cards allocated to the vehicle.
First carry out a function fault finding check.
Make sure all the doors are fully closed (check that the interior lights are off or switch
on the ignition to check that no door is open from the instrument panel symbol).
Visually check that the lock buttons are not stuck in the down position.
Check that one of the cards has not been disabled (locked in the vehicle), activate the
+ after ignition feed with this card and attempt to unlock again with it.
If the fault only affects one card, replace the faulty card.
Make sure statuses ET058, ET059 and ET060 indicating a press on the lock button for each door or the boot
become active when the button is pressed.
Test all the lock buttons.
See the section for dealing with the status(es) concerned.
Make sure that the cards belong to the vehicle and are properly configured by running command SC005 Check
card.
If the cards belong to the vehicle but have a faulty configuration, program the cards.
Run command AC037 Transmitter aerial fault finding and see if a fault appears.
In the event of a present or stored fault, refer to the procedure for it.
Run the following commands and check the card coverage zone on each side of the vehicle:
AC032 Driver's side external aerial test
AC033 Passenger's side external aerial test
AC034 Boot external aerial test.
The card reader starts to flash as soon as a card is detected in the coverage zone.
The maximum distance from the vehicle is 1.5 m.
If not correct, apply the fault finding procedure associated with each command.
This mode enables a Mégane hands-free card to be detected in the coverage zone of the vehicle or that of
another vehicle.
Configure the UCH in hands-free function (see Configurations and programming).
If the fault is still present, contact Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP33 /UCH_V48_ALP33/UCH_V4C_ALP33/
UCH_V4D_ALP33/UCH_V4F_ALP33/UCH_V50_ALP33

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 355
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 355V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP34 Fault opening the boot in hands-free mode
NOTESFirst carry out a function fault finding check.
Vehicle locked.
Test with the other card.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check that status ET061 Open tailgate request becomes PRESENT after pressing the tailgate opening button.
If not, apply the fault finding procedures for this status.
When the tailgate unlocking button is pressed, if the card is present and recognised, the direction indicator lights
should flash to indicate that the tailgate is being unlocked.
NOYES
Check the condition and connection of the tailgate lock connector.
If one of the connectors is faulty and there is a repair procedure (see Technical Note 6015A,
Electrical wiring repair, Wiring: Precautions for repair), repair the connector, otherwise
replace the wiring.
Check for earth on connection MZ of component 1322.
Check, when pressing on the opening button, for + 12 V on connection 20S of component 1322.
If correct, replace the tailgate lock.
If the fault is still present, contact Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP34 /UCH_V48_ALP34/UCH_V4C_ALP34/
UCH_V4D_ALP34/UCH_V4F_ALP34/UCH_V50_ALP34

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 358
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 358V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP35 Fault opening the rear screen in hands-free mode
NOTESFirst carry out a function fault finding check.
Vehicle locked.
Test with the other card.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Make sure status ET062 Open rear screen request becomes PRESENT when the tailgate opening button is
pressed.
If not, apply the fault finding procedures for this status.
When the rear screen opening button is pressed, if the card is present and recognised, the direction indicator lights
should flash to indicate that the boot is being unlocked.
NOYES
Check the connection and condition of the rear screen lock connector.
Repair if necessary.
Check for earth on connection MZ of component 1322.
Repair if necessary.
Check, when pressing on the opening button, for + 12 V on connection 20S of component 1322.
If correct, replace the rear screen lock.
If the fault is still present, contact Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP35 /UCH_V48_ALP35/UCH_V4C_ALP35/
UCH_V4D_ALP35/UCH_V4F_ALP35/UCH_V50_ALP35

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -364
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -364V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP39 Accessories feed not activated
NOTESCheck the voltage of the battery.
Start the fault finding procedure with the ignition off and the vehicle locked.
When the vehicle is unlocked, the instrument panel should light up for a moment.
If not, carry out fault finding on the multiplex network and instrument panel.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
The vehicle should switch to timed power (approximately 20 minutes) after the driver's door is opened (ET053
Driver's door).
If the timed supply is not triggered, try by:
–pressing the Start button (ET070 Start button), or
–turning on the hazard warning lights (ET085 "Hazard warning lights button"), or
–switching on the side lights (ET081 Lighting switch position).
If correct, run status fault finding for the faulty component.
If not correct, apply ALP No dialogue with the UCH.
The vehicle goes into accessories feed mode when the Start button is pressed (timed power active).
If it does not conform, check the operation of the Start button using status ET070 Start button and apply the fault
finding procedure associated with this status if necessary.
If the Start button operates correctly, use the fault finding procedure for status ET075 + accessories feed present.
Run fault finding and check the condition of the connectors of the + battery housing (Power fuses), of the power
board (maxi fuses), of the Protection and Switching Unit (UPC), of the Passenger Compartment Fuse and
Relay Box, of the Passenger Compartment Fuse and Relay Box option, and of the relay boards.
Check the condition and connection of the connectors on the UCH and the connectors on the UPC.
Check for + 12 V on connections BTP and 13AC of component 645.
Check for earth on connections 13E and NAM of component 645.
If one of the connectors is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring
repair, 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 with the diagnostic tool.
UCH_V44_ALP39 /UCH_V48_ALP39/UCH_V4C_ALP39/
UCH_V4D_ALP39/UCH_V4F_ALP39/UCH_V50_ALP39

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