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

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check
87B
87B -128
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check
87B
87B -128V9 MR-372-J84-87B000$387.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
FUNCTION: AIR CONDITIONING
Sub-function: Heating (continued)
*RCH = Passenger Compartment Heating Resistor
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application condition: engine stopped, + after ignition feed present.
Sub-
functionParameter or
Status
checked Action Display and Notes Fault finding
HeatingET020:Number RCH*
activated.0, 1, 2, 3, 4 or 5In the event of a fault,
refer to the
interpretation of status
ET020.
ET021:RCH* 1 relay control ACTIVE
INACTIVE In the event of a fault,
consult the
interpretation of
status ET021.
ET022:RCH* 2 relay controlACTIVE
INACTIVE In the event of a fault,
consult the
interpretation of
status ET022.
ET023:RCH* 3 relay controlACTIVE
INACTIVEIn the event of a fault,
consult the
interpretation of
status ET023.
ET031:Fast idle speed
request for RCH*INACTIVE
Fast idle speed to prevent
battery dischargeIn the event of a fault,
consult the
interpretation of status
ET031.
ET169:EngineSTOPPEDIn the event of a fault,
refer to the
interpretation of
status ET169.
ET025:Retractable roofCLOSED
NOT CLOSED
ABSENTIn the event of a fault,
consult the
interpretation of status
ET025.
ET026:Heated rear screen
switchACTIVE
INACTIVEIn the event of a fault,
consult the status
interpretation ET026.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table
87B
87B -139
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table
87B
87B -139V9 MR-372-J84-87B000$430.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table
*RCH = Passenger Compartment Heating ResistorTool status Diagnostic tool title Vdiag
ET008UCH blankV44, V48, V4C,
V4D, V4F, V50
ET010Card frequency (in MHz)V44, V48, V4C,
V4D
ET014Control power level
V44, V48, V4C,
V4D, V4F, V50 ET015Passenger compartment fan
ET016Buzzer activation request
ET017Number of RCH* required
ET018Number of RCH* authorised by alternator
ET019Number of RCH* authorised by injection computer
ET020Number RCH* activated.
ET021RCH* 1 relay control
ET022RCH* 2 relay control
ET023RCH* 3 relay control
ET025Retractable roof V48, V4C, V4D,
V4F, V50
ET026Heated rear screen switch
V44, V48, V4C,
V4D, V4F, V50 ET028Heated rear screen button
ET029Air conditioning button
ET030Air conditioning request 2
ET031Fast idle speed request for RCH*
ET032Front left-hand wheel valve signal
ET033Front right-hand wheel valve signal
ET034Rear right-hand wheel valve signal
ET035Rear left-hand wheel valve signal
ET038Service warning light on request
ET039STOP warning light on request
ET040Tyre pressure monitoring system
MR-372-J84-87B000$430.mif

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table
87B
87B -141
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Status summary table
87B
87B -141V9 MR-372-J84-87B000$430.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
*Trip computer: Not authorised
*Sunroof: Tool status Diagnostic tool title Vdiag
ET066Card detected button
V44, V48, V4C,
V4D, V4F, V50 ET067Card button press recognised
ET068Most recently locked by
ET069Most recently unlocked by
ET070Start button
ET071 Unprogrammed steering lock
ET072Steering lock
ET073Steering lock sensor signal
ET075+ Accessories present
ET077Wiper stalk position
ET078Windscreen washer request
ET079Rear screen washer request
ET080Rear screen wiper request
ET081Lighting switch position
ET082Rear fog lights request
ET083Left-hand indicator request
ET084Right-hand indicator request
ET085Hazard warning lights button
ET086Electric child safety lock V44, V48, V4C
ET087Sunroof*/one touch electric window authorisation
V44, V48, V4C,
V4D, V4F, V50 ET088Deadlocking activation source
ET090Deadlocking deactivation source
ET096Wiper stalk intermittent speed ring position
ET097Rear screen wiper park position
ET098ADAC* button
ET108Automatic gearbox lever position
ET109Reverse gear engaged
ET110UCH request to injection or Protection and Switching Unit
ET111Front fog lights request
ET112Interior lighting control

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
87B
87B -152
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
87B
87B -152V9 MR-372-J84-87B000$473.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET025
RETRACTABLE ROOF
NOTESThere must be no present or stored faults.
If the vehicle is a cabriolet, status ET025 is CLOSED or NOT CLOSED.
If the vehicle is not a cabriolet, status ET025 will be ABSENT.
ET025 is CLOSED
The retractable roof of the cabriolet vehicle is closed.
In case of inconsistency, contact the Techline.
ET025 is NOT CLOSED
The retractable roof of the vehicle is not closed.
In case of inconsistency, contact the Techline.
ET025 is ABSENT
The position of the retractable roof is unknown.
In case of inconsistency, contact the Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_ET025/UCH_V48_ET025/ UCH_V4C_ET025/
UCH_V4D_ET025 /UCH_V4F_ET025/UCH_V50_ET025

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 213
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 213V9 MR-372-J84-87B000$559.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET087
ONE-TOUCH WINDOW CONTROL/SR.* AUTHORISATION
NOTESNo faults should be present or stored.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
ET087 is Active and one or more one touch windows are not operating.
Check for earth on connection 21K of window winder connector concerned.
Is there an earth?
NO
Check for earth at the output of component 645 on connection 21K.
If there is no earth, contact Techline.
If earth is present, check the continuity and insulation of the following connection:
●Connection code 21K.
Between components 645 and 201.
Between components 645 and 202.
Between components 645 and 203.
Between components 645 and 204.
Between components 645 and 304.
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.
Run complete fault finding on the electric window motor.
YES
*SR: sunroof.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_ET087/UCH_V48_ET087/ UCH_V4C_ET087/
UCH_V4D_ET087 /UCH_V4F_ET087/UCH_V50_ET087

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 214
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 214V9 MR-372-J84-87B000$559.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET087
CONTINUED
ET087 is Inactive and one or more one touch windows are not operating.
Check that configuration LC070 ONE-TOUCH WINDOW(S)/SR.* is WITH.
If LC070 is WITHOUT, configure using CF173 ONE-TOUCH WINDOW(S)/SR.* (can be configured during
configuration of the UCH using the SC008 UCH TYPE command).
Run command AC025 One touch window/SR.* authorisation and check for earth on connection 21K of the
window winder concerned.
Is there an earth?
YES
Operating conditions:
Door open if fault, check the doors.
+ accessories level power supply raised at least once.
Run complete fault finding on the electric window motor.
NO
*SR: sunroof.
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 statuses87B
87B - 238
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 238V9 MR-372-J84-87B000$602.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET230
CHILD SAFETY LOCK
NOTESNo faults should be present or stored.
ET230 is Inactive but the child safety lock switch has been pressed.
Verify that ET233 Childproof lock switch is Pressed.
If Inactive, refer to interpretation of ET233.
If Press, check using configuration reading LC035 Childproof locks that the UCH is correctly configured as
WITH childproof locks.
If WITHOUT, configuration WITH child safety lock is carried out with special command SC016 Child safety lock
(V4C, V4D, V4F and V50).
If WITH, check that all the doors are correctly closed, using the following statuses:
ET053: Driver's door
ET042: Passenger door
ET051: Rear left-hand door
ET052: Rear right-hand door
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.
UCH_V44_ET230/UCH_V48_ET230/ UCH_V4C_ET230/
UCH_V4D_ET230 /UCH_V4F_ET230/UCH_V50_ET230

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 239
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 239V9 MR-372-J84-87B000$602.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET233
CHILDPROOF LOCK SWITCH
NOTESNo faults should be present or stored.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the PE1 connector of the UCH (tabs broken, bent, oxidised).
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 child safety lock switch connector (bent, oxidised, broken tabs).
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 for an earth on connection MAM of component 135.
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, continuity and the absence of interference resistance on the following connection:
●Connection code 20AL between components 645 and 135.
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.
Check the insulation between connections 20AL and MAM of component 135 (Released position).
Check the continuity between connections 20AL and MAM of component 135 (Pressed position).
Replace the switch 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.
UCH_V44_ET233/UCH_V48_ET233/ UCH_V4C_ET233/
UCH_V4D_ET233 /UCH_V4F_ET233/UCH_V50_ET233

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Command summary table87B
87B - 246
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Command summary table87B
87B - 246V9 MR-372-J84-87B000$731.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Command summary table
*RCH: Passenger Compartment Heating Resistor
*CPE: Electric central door locking
*SR.: SunroofTool command Diagnostic tool title Vdiag
AC003Immobiliser warning light
V44, V48,
V4C, V4D,
V4F, V50 AC004Central door locking
AC005Central door unlocking
AC006Driver's door unlocking
AC007Rear screen wiper
AC008Front fog lights
AC009Rear fog lights
AC015Air conditioning button indicator light
AC016RCH* 1 relay
AC017RCH* 2 relay
AC018RCH* 3 relay
AC019Heated rear screen indicator light
AC020CPE* button indicator light
AC021Interior lights
AC022Left-hand direction indicator
AC023Right-hand direction indicator
AC024Card reader lighting
AC025One-touch window control/SR.* authorisation
AC026Start button lighting
AC027Footwell lights
AC030Headlight washer relay 1 (only if Vdiag 44 UPC)
AC031Headlight washer relay 2 (only if Vdiag 44 UPC)
AC032Driver's side external aerial testing
AC033Passenger's side external aerial testing
AC034Boot external aerial test
AC036Internal aerial test
AC037Transmitter aerial fault finding
AC076Child safety lock indicator light
MR-372-J84-87B000$731.mif

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 273
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 273V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
*SR.: sunroofAC025
ONE-TOUCH WINDOW CONTROL/SR* AUTHORISATION
NOTESNo faults should be present or stored.
This command can activate operation of the electric window motors after replacement
of the UCH or a harmless loss of enabling.
The command lasts 7 seconds.
After activation, take a reading of the ET087 One-touch window/sunroof* authorisation status to verify a change
of status.
If there is a fault, see the procedure for this status.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.