2008 RENAULT SCENIC sensor

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of parameters
87B
87B -243
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of parameters
87B
87B -243V9 MR-372-J84-87B000$688.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
PR003
PR004
PR005
PR006FRONT LEFT-HAND WHEEL TYRE PRESSURE
FRONT RIGHT-HAND WHEEL TYRE PRESSURE
REAR RIGHT-HAND WHEEL TYRE PRESSURE
REAR LEFT-HAND WHEEL TYRE PRESSURE
NOTESThere must be no faults present.
Carry out this fault finding procedure after detecting a discrepancy in the parameter
displays.
When communication is established, the default value of the parameters is displayed (0 bar). By creating
a leak or using a road test, force each valve to transmit to discover the actual pressure levels measured
by the sensors during the fault finding procedure.
In all cases, compare whether the pressures displayed on the diagnostic tool correctly match the readings on the
pressure gauge (to within 0.2 bar).
If the readings do not correspond, you may encounter two possible scenarios:
1st case: The parameters still display 0 bar.
This means that the wheel valve codes do not correspond to the wheel set programmed into the UCH. (When the
UCH receives the valve codes, it will not recognise them because they do not correspond to the wheel set codes
already programmed, which are the only ones it will recognise). To rectify this:
Start the programming procedure using command SC002 Program the 4 valve codes (see Configurations and
programming).
2nd case: Parameters PR003 to PR006 display incorrect values (other than 0 bar).
If the pressures differ, there is a fault on the valve. Replace the faulty valve. Follow programming procedure: SC002
(see Configurations and programming).
After programming, repeat the fault finding procedure from the beginning.
AFTER REPAIRRepeat the check from the start.
UCH_V44_PR003/UCH_V48_PR003/UCH_V4C_PR003/UCH_V4D_PR003/UCH_V4F_PR003/UCH_V50_PR003/UCH_V44_PR004/
UCH_V48_PR004/UCH_V4C_PR004/UCH_V4D_PR004/UCH_V4F_PR004/UCH_V50_PR004/UCH_V44_PR005/UCH_V48_PR005/
UCH_V4C_PR005/UCH_V4D_PR005/UCH_V4F_PR005/UCH_V50_PR005/UCH_V44_PR006/UCH_V48_PR006/UCH_V4C_PR006/
UCH_V4D_PR006/UCH_V4F_PR006/UCH_V50_PR006

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Customer complaints
87B
87B -299
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Customer complaints
87B
87B -299V9 MR-372-J84-87B000$860.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
TYRE PRESSURE MONITOR
"ADJUST TYRE PRESSURE" MESSAGE APPEARS (WHEEL
CONCERNED IS HIGHLIGHTED ON THE DISPLAY)ALP52
"ADJUST TYRE PRESSURE" MESSAGE APPEARS (2 WHEELS
BECOME HIGHLIGHTED ON THE DISPLAY)ALP53
"TYRE SENSOR FAULT" MESSAGE APPEARS (WHEEL WARNING
LIGHT DISAPPEARS)ALP54
"TYRE SENSOR FAULT" MESSAGE APPEARS (4 WHEEL WARNING
LIGHTS DISAPPEAR)ALP55
"PUNCTURE: CHANGE WHEEL" MESSAGE APPEARS (THE WHEEL
IS HIGHLIGHTED ON THE DISPLAY)ALP56

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 352
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 352V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP32 Unlocking fault in hands-free mode
NOTESCheck that there is no after ignition feed.
Conduct the tests with the other cards allocated to the vehicle.
First carry out a function fault finding check.
Carry out a conformity check before using this procedure.
The card may be inhibited: unlock the vehicle by pressing the card button and check to see if the hands-free
unlocking fault is still present.
If the fault only affects one card, replace the faulty card.
If the unlocking fault in hands-free mode affects all the cards:
Check that the optical sensors are receiving power by checking status ET054 Optical sensors supplied.
Unless the vehicle has not been unlocked for over 72 hours, pulling the handle activates it.
If not, apply the fault finding procedures for this status.
Check that statuses ET055, ET056 or ET057 become active when a hand is passed in front of the corresponding
sensor.
Test on all the doors.
If any status fails to change, apply the fault finding procedure associated with that status.
Note:
One of these statuses becomes active if the vehicle has not been unlocked for 72 hours and the corresponding
door handle is pulled.
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 this fault.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP32 /UCH_V48_ALP32/UCH_V4C_ALP32/
UCH_V4D_ALP32/UCH_V4F_ALP32/UCH_V50_ALP32

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

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-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