2008 RENAULT SCENIC ABS

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 289
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 289V9 MR-372-J84-87B000$817.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC036
CONTINUED 1
BOOT INTERNAL AERIAL
Check the condition and connection of the aerial connector (bent, broken tabs, etc.).
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 condition and connection of the PE3 connector of the UCH (tabs bent, broken, etc.).
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 connections to + 12 V and to earth:
●Connection code 26AV.
●Connection code 26AW between components 645 and 1397.
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 aerial if necessary.
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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 290
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 290V9 MR-372-J84-87B000$817.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC036
CONTINUED 2
CENTRE INTERNAL AERIAL
Check the condition and connection of the aerial connector (bent, broken tabs, etc.).
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 condition and connection of the PE3 connector of the UCH (tabs bent, broken, etc.).
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 connections to + 12 V and to earth:
●Connection code 26AX.
●Connection code 26AY between components 645 and 1398.
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 aerial if necessary.
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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 310
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 310V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP10 No rear park position
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Check status ET097 Rear screen wiper park
position.
Is status ET097 absent?
NO
Contact the Techline.
YESApply interpretation of status ET097 Rear
screen wiper park position.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP10 /UCH_V48_ALP10/UCH_V4C_ALP10/
UCH_V4D_ALP10/UCH_V4F_ALP10/UCH_V50_ALP10

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 312
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 312V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP12 No windscreen wiper
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition of the windscreen wiper motor connections (with battery disconnected) and the UPC
connections.
Check the condition of the connections and the absence of interference resistance on the following
connections:
●Connection code 14L.
●Connection code 14K.
●Connection code 14M between components 645 and 1337.
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.
Check for an earth on connection MAS of component 212.
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 the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP12 /UCH_V48_ALP12/UCH_V4C_ALP12/
UCH_V4D_ALP12/UCH_V4F_ALP12/UCH_V50_ALP12

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 337
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 337V9 MR-372-J84-87B000$946.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP24
CONTINUED 1
Check for + 12 V on connection BP93 of component 304.
Is the feed correct?
YES NO
Use the diagnostic tool to read the faults in the
UCH.
Is fault DF031 One touch window connection
present?
YES NO
Check the continuity, insulation and the
absence of the interference resistance to
+ 12 V and to earth of the following connection:
●Connection code 21K between
components 304 and 645.
If the continuity is faulty, check the
intermediate connectors.
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.
Check the continuity on the following connection:
●Connection code BP93 between
components 304 and 260.
●Connection code MAM between
component 304 and Left-hand dashboard/
cross member earth.
If one of the continuities is faulty, check the
intermediate connector.
If a connector 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 using the diagnostic tool.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -362
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -362V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
*RAID: Renault Anti-Intruder Device.
*CPE: Electric central door locking.
ALP37 Renault Anti-Intruder Device operation fault (RAID*)
NOTESFirst carry out a function fault finding check.
Check that the Automatic locking when driving function is active using status ET043
RAID* function authorised by CPE*.
Make sure no door is detected open by the UCH.
Check the consistency of the vehicle speed signal.
Check for faults in the ABS system.
Check for faults in the airbag system.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP37 /UCH_V48_ALP37/UCH_V4C_ALP37/
UCH_V4D_ALP37/UCH_V4F_ALP37/UCH_V50_ALP37

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

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -371
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
87B
87B -371V9 MR-372-J84-87B000$989mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP46 Steering lock fails
NOTESCheck for any faults on the steering lock.
Check the battery voltage. It should be between 9 V and 16 V.
Check the validity of parameter PR008 "Vehicle speed".
Check for any faults in the Airbag computer (impact detected) and ABS/ESP
computers.
Reminder: In hands-free mode, the steering column lock is locked as soon as the
ignition is switched off.
With the card in the reader, the steering column lock is locked after the ignition is
switched off as soon as the card is removed from the reader.
The conditions for a drop in + after ignition feed without the steering column locking are:
–the card is present in the card reader,
–over 20 minutes passing with the card in the card reader after the engine has stopped,
–the vehicle speed is not zero,
–power being requested by the steering column lock too frequently.
With regard to vehicles fitted with UCH computer Vdiag 4F or above:
–the Renault card is removed from the card reader when the vehicle is in forced + after ignition feed,
–3 mins have elapsed following a starting failure due to an engaged gear,
–the Renault card is removed from the card reader following a starting failure due to an engaged gear,
–a front door is open following a starting failure due to an engaged gear and the card is not in the reader.
Check that these conditions are not present.
Check the consistency of statuses ET072 Steering column lock and ET073 Steering column lock signal.
In the event of a fault, see the procedure for these statuses in the UCH section.
Check that the steering column lock belongs to the vehicle using status ET248 Steering column lock immobiliser
code.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
UCH_V44_ALP46 /UCH_V48_ALP46/UCH_V4C_ALP46/
UCH_V4D_ALP46/UCH_V4F_ALP46/UCH_V50_ALP46