instrument panel RENAULT SCENIC 2008 J84 / 2.G Passenger Comparment Connection Unit User Guide

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Configurations and programming
87B
87B-65
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Configurations and programming
87B
87B-65V9 MR-372-J84-87B000$215.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
9) CONFIGURATION PROCEDURE FOR THE TYRE PRESSURE MONITOR FUNCTION (CF023)
10) INSTRUMENT PANEL CONFIGURATION PROCEDURE (CF145)CF023:
TYRE PRESSURE MONITOR FUNCTION
(in programming command SC008 "UCH type")
WRITING THE CONFIGURATION WITH
OR WITHOUT TYRE PRESSURE MONITOR:
●Select the Repair mode menu.
●Select the Programming menu.
●Select line SC008 then line CF023, then With or Without.
●Confirm the selection.
●Check that sure the configuration has been properly stored by checking the Read configuration menu at line
LC017 Tyre pressure monitor function.
IMPORTANT:
CONFIGURATION INCONSISTENCY BETWEEN THE INSTRUMENT PANEL AND UCH
1st case–The instrument panel detects that the tyre pressure monitor is programmed in the UCH but
not its proper configuration. The message ELECTRONIC FAULT appears, then the
4 wheels disappear on the instrument panel display, and the Service warning light comes
on.
2nd case–The instrument panel detects that the tyre pressure monitor is programmed in its own
configuration but the UCH fails to respond to any requests from the instrument panel (not
configured in UCH). The message TYRE SENSOR FAULT will appear, the four wheels
will disappear from the instrument panel display and the Service warning light will come
on.
CF145:
TYRE PRESSURE MONITOR
●After the multiplex network test, select Instrument panel.
●Select Repair mode.
●Select Write configuration.
●Select line CF145, then With or Without.
●Confirm the selection.
●Check that the configuration has been properly stored in the Read configuration menu at line LC056 Tyre
pressure monitor.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B-113
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B-113V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF075
PRESENT
OR
STOREDTIMED SUPPLY CIRCUIT
CC: Short circuit
NOTESAfter unlocking, opening a door causes timed supply, which is indicated by the starting
switch on the instrument panel lighting up.
Before any check on the UCH connections, unlock the vehicle.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the connectors on the UCH and the connectors on the UPC.
If the connector is faulty and if there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector; otherwise, replace the wiring.
Check for + 12 V on connection BPT of component 645.
If the connection is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check for earth on connection NAM of component 645.
If the connection is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF075 /UCH_V48_DF075/UCH_V4C_DF075/
UCH_V4D_DF075/UCH_V4F_DF075/UCH_V50_DF075

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
87B
87B -146
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
87B
87B -146V9 MR-372-J84-87B000$473.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET016
BUZZER ACTIVATION REQUEST
NOTESThere must be no present or stored faults.
Special note:
Status ET016 is STATUS 1 or STATUS 2 if the SSPP buzzer is activated. A tyre is
punctured or there is a severe under-inflation.
ET016 is STATUS 1.
Request for activation of the buzzer linked to display of a puncture warning message on the instrument panel.
Adjust the pressures of the four tyres to the recommended pressures. Repair or replace the tyre if necessary.
ET016 is STATUS 2.
Request for buzzer activation to warn the driver that the vehicle speed is too high when the vehicle has one or more
punctured tyres.
This signal is only valid for vehicles fitted with runflat tyres.
Adjust the pressures of the four tyres to the recommended pressures. Repair or replace the tyre if necessary.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_ET016/UCH_V48_ET016/ UCH_V4C_ET016/
UCH_V4D_ET016 /UCH_V4F_ET016/UCH_V50_ET016

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 248
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 248V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
AC003
IMMOBILISER INDICATOR LIGHT
NOTESNo faults should be present or stored.
The instrument panel must be detected as present on the multiplex network.
This command is for testing whether the immobiliser warning light is working.
The command lasts 10 seconds.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
The immobiliser indicator light does not come on when the command is performed.
Check the condition and connection of the instrument panel 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.
With the command running, check for earth on connection 88T of component 427.
If okay, replace the instrument panel.
Check the condition and connection of connector PE2 on the UCH
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 insulation and continuity of the following connection:
●Connection code 20W between components 645 and 427.
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 Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
MR-372-J84-87B000$774.mif

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 347
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 347V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP27 Locking/unlocking fault when pressing card button.
NOTESCheck that there is no APC or card in the card reader.
Check that no opening element is detected as open by the UCH (look at the symbol on
the instrument panel).
First carry out a function fault finding check.
Test with the other card.
Check the condition of the battery (inserted the wrong way round, flat, incorrect
model).
If the fault is still present after having carried out a test with the other card, it could be that:
–There may be radiofrequency interference in the area (ET066 Card button press received is NO for both
cards). Move the vehicle to try again.
–The UCH which has just been replaced does not have the correct part number (external or internal UCH
aerial). Use the correct UCH part number.
–If the vehicle is a Scenic II fitted with a tyre pressure monitoring system, check that the external UCH aerial
is connected correctly.
–Check that the UCH for the vehicle is not blank. Check that the UCH on the vehicle has not been used on
another vehicle.
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 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 status ET014 Control power level is not APC.
If not, apply the fault finding procedures for this status.
Check that statuses ET041 Opening rear screen, ET042 Passenger's door, ET050 Tailgate/Boot, ET051 Rear
left-hand door, ET052 Rear left-hand door and ET053 Driver's door are CLOSED.
If not, apply the fault finding procedures for those statuses.
If the fault is still present, contact Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP27 /UCH_V48_ALP27/UCH_V4C_ALP27/
UCH_V4D_ALP27/UCH_V4F_ALP27/UCH_V50_ALP27

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 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

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -365
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -365V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP40 Forced after-ignition feed fails
NOTESCheck the voltage of the battery.
Carry out a fault finding procedure on the function.
Test with the other card.
Switching to + accessories feed should work.
If not deal with ALP39 Accessories feed not activated first.
It can be checked while trying to activate after ignition feed if the verlog indicator light:
–Remains on, meaning that the steering lock is not recognised.
–Remains on for 3 seconds and flashes at 4 Hz, meaning the card is not recognised.
Review of the procedure for forcing after ignition feed:
+ accessories supply off, card in the card reader, starting conditions not met and after
pressing and holding the Start button (approximately 5 seconds).
Make sure that there is no Insert card message on the instrument panel.
Check that status ET008 Blank UCH is NO.
Refer to the procedure for this status if necessary (Blank UCH).
Check that status ET110 UCH request to UPC or injection becomes + after ignition feed after a request for
forced after ignition.
If everything is correct, run fault finding on the UPC.
Make sure the steering column lock functions properly by checking in particular that:
–statuses:
–ET071 Steering column lock blank is NO.
–ET072 Steering column lock is UNLOCKED.
–ET073 Steering column lock sensor signal is UNLOCKED.
See the procedure for these statuses if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP40 /UCH_V48_ALP40/UCH_V4C_ALP40/
UCH_V4D_ALP40/UCH_V4F_ALP40/UCH_V50_ALP40

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -366
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -366V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP41The vehicle does not start and the after ignition feed fails with the
card in the card reader
NOTESCheck the voltage of the battery.
First carry out a function fault finding check.
Switching to + accessories feed should work.
If not deal with ALP39 Accessories feed not activated first.
Check that the start-up conditions are met:
It can be checked while attempting to start if the immobiliser warning light:
–Remains on, meaning that the steering lock is not recognised.
–Remains on for 3 seconds and flashes at 4 Hz, meaning the card is not recognised.
It can also be checked while trying to start; if the Start button flashes, the card
has not been detected or recognised.
If the message "Insert card" is displayed on the instrument panel.
Insert the card in the card reader and run the special command SC005 Check card:
If the message "The inserted card cannot be detected or is not fully inserted into the card reader.
Check the card and the condition of the card reader. If the fault is still present, consult the fault finding for the
customer complaint in the fault finding manual (ALP41 for MEGANE II and ALP21 for CLIO III)" appears, try one
of the other vehicle's cards or a card from another MEGANE II vehicle.
–If the message appears again, apply the fault finding procedure for DEF014 Card reader circuit CC.0.
–If the message has disappeared and the result of the test is accessible, replace the defective card.
Check that status ET120 Card recognised by vehicle is definitely YES:
If ET120 Card recognised by vehicle is NO, the card does not belong to the vehicle or is damaged.
Check that status ET012 Card allocated to vehicle is definitely YES:
If ET012 Card allocated to vehicle is NO, the card is no longer allocated to the vehicle: re-allocate the vehicle's
cards using the special command SC006 Card allocation.
If the fault is still present, contact the Techline.
If the message "Insert card" is not displayed on the instrument panel.
Make sure statuses:
–ET008 Blank central unit is NO.
–ET071 Steering column lock blank is NO
See the procedure for these statuses if necessary.
Check that status ET110 UCH request to injection or UPC becomes START after a starting request is made
when the start conditions are met.
If everything is correct, run fault finding on the UPC.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP41 /UCH_V48_ALP41/UCH_V4C_ALP41/
UCH_V4D_ALP41/UCH_V4F_ALP41/UCH_V50_ALP41

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -370
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -370V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP45 Impossible to stop engine
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Check whether the engine switches off if the Start button is pressed twice.
If it does, make sure the card is not considered absent by the UCH, particularly by checking for messages on the
instrument panel.
Check that the button presses are detected correctly by the UCH using status ET070 Start button.
If not, see the procedure for dealing with this status.
Check that status ET110 UCH request to injection or UPC is STOP when the button is pressed.
If there is a fault, see the procedure for this status.
Check the consistency of parameter PR008 Vehicle speed with the vehicle stationary.
If not, run fault finding on the ABS.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP45 /UCH_V48_ALP45/UCH_V4C_ALP45/
UCH_V4D_ALP45/UCH_V4F_ALP45/UCH_V50_ALP45