tyre pressure RENAULT SCENIC 2008 J84 / 2.G Passenger Comparment Connection Unit Owner's Manual
[x] Cancel search | Manufacturer: RENAULT, Model Year: 2008, Model line: SCENIC, Model: RENAULT SCENIC 2008 J84 / 2.GPages: 391
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PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
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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
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Fault finding - Interpretation of statuses
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UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET032
ET033
ET034
ET035FRONT LEFT-HAND WHEEL VALVE SIGNAL
FRONT RIGHT-HAND WHEEL VALVE SIGNAL
REAR RIGHT-HAND WHEEL VALVE SIGNAL
REAR LEFT-HAND WHEEL VALVE SIGNAL
NOTESBefore carrying out any operation, apply the fault finding procedure (see Introduction).
Special note:
If a wheel is equipped with a tyre pressure sensor, precautions must be taken
when removing/refitting tyres.
Failure to take the precautions specified in Section 35 of Workshop Repair
Manual 364 (for Mégane II) or 370 (for Scénic II) could result in the sensor being
damaged, and potential operating faults in the tyre pressure monitoring system.
CORRECT:The sensor is operating correctly and the pressure is correct.
Absent:The UCH is not receiving the signal from the sensor.
Over-inflated:The sensor sends a "tyre over-inflated" signal.
Puncture:The sensor sends a "tyre severely under-inflated" signal (pressure - 0.6 bar) or a rapid pressure
loss signal.
Under-inflated:The sensor sends a "tyre under-inflated" signal.
STEP 1
Start by checking the tyre inflation and if necessary restore to the recommended pressure.
Next, to ensure that the wheel sensors are functioning properly, at each conformity check, make sure all sensors
really are transmitting. To do this, create a tyre leak and check that its status changes:
Initial status = over-inflated deflate Final status = Correct or puncture or under-inflated
Initial status = puncture or under-inflated inflate Final status = Correct or over-inflated
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
UCH_V44_ET032/UCH_V48_ET032/UCH_V4C_ET032/UCH_V4D_ET032/UCH_V4F_ET032/UCH_V50_ET032/UCH_V44_ET033/
UCH_V48_ET033/UCH_V4C_ET033/UCH_V4D_ET033/UCH_V4F_ET033/UCH_V50_ET033/UCH_V44_ET034/UCH_V48_ET034/
UCH_V4C_ET034/UCH_V4D_ET034/UCH_V4F_ET034/UCH_V50_ET034/UCH_V44_ET035/UCH_V48_ET035/UCH_V4C_ET035/
UCH_V4D_ET035/UCH_V4F_ET035/UCH_V50_ET035
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UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET032
ET033
ET034
ET035
CONTINUED
STEP 2
IMPORTANT:
Wait 1 minute and 30 seconds before checking the change of status.
–If the original status is: over-inflated or under-inflated
Consult ALP 52 "Adjust tyre pressure" message appears (the wheel concerned is highlighted on the
display) and ALP 56 "Adjust tyre pressure" message appears (2 wheels are highlighted on the display).
–If the original status is: puncture
Consult ALP 56 "Stop! Tyre puncture" message appears (the wheel is highlighted on the display).
–If the original status is: absent
Consult ALP 54 "Tyre sensor fault" message appears (wheel warning light disappears) and ALP 55 "Tyre
sensor fault" message appears (4 wheel warning lights disappear).
If the status does not change, replace the sensor on the wheel concerned by following the instructions and the
programming procedure for the four valve codes, SC002 Program 4 valve codes (see Configurations and
programming).
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
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Fault finding - Interpretation of statuses
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UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
In the event that status ET040 is inoperative:
RF*: Radio frequency.
ET040TYRE PRESSURE MONITOR SYSTEM
NOTESBefore carrying out any operation, apply the fault finding procedure (see Introduction).
Check that no fault is present.
ACTIVE: If the four wheel valves transmit their signal and if the signal is correctly received by the UCH.
INOPERATIVE: If a component is faulty or incorrectly configured.
Check the configuration reading to ensure that LC017 Tyre pressure monitor function is correctly entered in the
UCH. If this is not the case, start configuration in the "Programming" menu with configuration CF023 Tyre pressure
monitor function, under SC008 UCH type.
Check that there is no ABS fault.
Check status ET045 RF* frame received to make sure the receiver aerial is working properly by requesting central
door locking with the card.
If, after performing all these checks, no fault has been found and status ET040 is still Inoperative, contact the
Techline.
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.
UCH_V44_ET040/UCH_V48_ET040/UCH_V4C_ET040/UCH_V4D_ET040/UCH_V4F_ET040 / UCH_V50_ET040
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Fault finding - Parameter summary table87B
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UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Parameter summary table
Tool parameter Diagnostic tool title
PR001Battery voltage
PR002External temperature
PR003Front left-hand wheel pressure
PR004Front right-hand wheel pressure
PR005Rear right-hand wheel pressure
PR006Rear left-hand wheel pressure
PR008Vehicle speed
PR009Front wheel low speed recommended pressure
PR010Rear wheel low speed recommended pressure
PR011Rear wheels high-speed recommended pressure
PR012Front wheel high speed recommended pressure
PR013Number of cards programmed
PR014Left/right pressure difference threshold
PR015Low under-inflation threshold
PR017Cold over-inflation threshold
PR018Warm over-inflation threshold
PR019Front left-hand tyre temperature
PR020Front right-hand tyre temperature
PR021Rear right-hand tyre temperature
PR022Rear left-hand tyre temperature
PR023Heat difference threshold between wheels
PR059Puncture report threshold
MR-372-J84-87B000$645.mif
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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
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Fault finding - Interpretation of parameters
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UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
* FR: Front
* RR: Rear
PR009
PR010
PR011
PR012FR* WHEEL LOW SPEED REC* PRESSURE
RR* WHEEL LOW SPEED REC* PRESSURE
RR* WHEEL HIGH SPEED REC* PRESSURE
FR* WHEEL HIGH SPEED REC* PRESSURE
NOTESThere must be no present or stored faults.
Carry out this fault finding procedure after detecting a discrepancy between the
pressures recommended by the manufacturer and those stored in the UCH.
Warning:
Use Workshop Repair Manual 364 (Mégane II) or 370 (Scénic II) or refer to the
pressure label attached to the driver's door to obtain the recommended pressures for
the tyres actually installed on the vehicle.
If, after comparing with the manufacturer's data (see MR 364 (Mégane II) or MR 370 (Scénic II), 35A), the
recommended pressures stored in the UCH do not conform, reprogram the recommended pressures using
command VP005 Enter recommended pressures (see Configurations and programming).
If the recommended pressures cannot be entered properly, contact Techline.
AFTER REPAIRRepeat the check from the start.
UCH_V44_PR009/UCH_V48_PR009/UCH_V4C_PR009/UCH_V4D_PR009/UCH_V4F_PR009/UCH_V50_PR009/UCH_V44_PR010/
UCH_V48_PR010/UCH_V4C_PR010/UCH_V4D_PR010/UCH_V4F_PR010/UCH_V50_PR010/UCH_V44_PR011/UCH_V48_PR011/
UCH_V4C_PR011/UCH_V4D_PR011/UCH_V4F_PR011/UCH_V50_PR011/UCH_V44_PR012/UCH_V48_PR012/UCH_V4C_PR012/
UCH_V4D_PR012/UCH_V4F_PR012/UCH_V50_PR012
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PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Customer complaints
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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
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Fault finding - Fault Finding Chart87B
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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
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UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP42The vehicle does not start, the after ignition feed fails in hands-
free mode but works with the card in the card reader
NOTESFirst carry out a function fault finding check.
Test with the other card.
Switching to + accessories feed should work.
If not deal with ALP39 Accessories feed not activated first.
Check that the start-up conditions are met:
Check that the tailgate is detected as closed by the UCH using status ET050 Tailgate/
Boot.
Carry out the tests with the other cards allocated to the vehicle.
The card may be inhibited or the vehicle was not unlocked electrically: unlock by pressing the card button and
check if the hands-free starting fault is still present.
If the hands-free starting fault affects only one card:
Check that the card battery has been inserted the right way round. If the battery is flat or an incorrect model is being
used, replace the battery. If not, replace the faulty card.
If the hands-free starting fault affects every card:
Make sure the UCH is properly configured for hands-free operation. Reconfigure if necessary.
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 are incorrectly configured, 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.
If the vehicle is fitted with a tyre pressure monitor (Scénic II only), check that the external UCH aerial is correctly
connected.
Run command AC036 Interior aerial test and check the card coverage zone.
The card reader starts to flash as soon as a card is detected in the coverage zone.
The card should not be detected by the internal aerials when it is outside the vehicle.
If not correct, apply the relevant fault finding procedure for each command.
This mode allows of a Mégane hands-free type card to be detected as present, but not recognised.
Check the part number of the UCH and that it is hands-free.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP42 /UCH_V48_ALP42/UCH_V4C_ALP42/
UCH_V4D_ALP42/UCH_V4F_ALP42/UCH_V50_ALP42