wiring RENAULT SCENIC 2008 J84 / 2.G Passenger Comparment Connection Unit Workshop Manual

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 230
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 230V9 MR-372-J84-87B000$559.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET113
AUTOMATIC LIGHTING BUTTON
NOTESNo faults should be present or stored.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
ET113 Released with one press on the button.
Check the operation of the following statuses:
ET083 Left-hand direction indicator request: Set the control stalk to the left-hand indicator.
ET096 Windscreen wiper stalk intermittent speed ring position: Set the stalk to the rear fog light position.
Check in the following table and apply the fault finding procedure according to the result obtained.
Result 1 Result 2 Result 3 Result 4
ET083 Left-hand direction
indicator requestPresent Absent Absent Present
ET096 Windscreen wiper
intermittent ring position4141
Change the
steering
column control
Check the continuity and insulation of the following connection:
●Connection code 141L between components 645 and 1519.
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.
Result 1
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_ET113/UCH_V48_ET113/UCH_V4C_ET113/
UCH_V4D_ET113/UCH_V4F_ET113/UCH_V50_ET113

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 231
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 231V9 MR-372-J84-87B000$559.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET113
CONTINUED
Check the continuity and insulation of the following connection:
●Connection code 141M between components 645 and 1519.
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 continuity and insulation of the following connections:
●Connection code 141M.
●Connection code 141C between components 645 and 1519.
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.
If the fault is still present, contact the Techline.
Result 2
Result 3
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 - 232
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 232V9 MR-372-J84-87B000$559.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET114
WIPER REQUEST BY RAIN SENSOR
NOTESNo faults should be present or stored.
Make sure that the vehicle is fitted with the rain and light sensor.
The status should change to ACTIVE if there is any water on the windscreen on the
sensor position.
Make sure that the other positions of the wiper control are working properly.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the rain and light sensor connector (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 + 12 V APC on connection BPT of component 1415.
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.
If the + 12 V feed is not correct, check the insulation, continuity and the absence of interference resistance
of the following connection:
●Connection code BPT between components 645 and 1415.
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 + 12 V feed is not correct for vehicles manufactured after June 2005, check the insulation, continuity and
the absence of interference resistance on the following connection:
●Connection code BPT between component 645 and fuse F5F (7.5A) (on the Protection and Switching
Unit).
Check for earth on the MAM connection of component 1415.
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 UCH connector (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 insulation, continuity and the absence of interference resistance on the following connection:
●Connection code 14S between components 645 and 1415.
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 configuration LC044 Rain/light sensor.
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_ET114/UCH_V48_ET114/UCH_V4C_ET114/
UCH_V4D_ET114/UCH_V4F_ET114/UCH_V50_ET114

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 233
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 233V9 MR-372-J84-87B000$559.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET115
REQUEST FROM LIGHT SENSOR TO SWITCH ON HEADLIGHTS
NOTESNo faults should be present or stored.
Make sure that the vehicle is fitted with the rain and light sensor.
The status should change to ACTIVE when the sensor is hidden from the surrounding
light by placing a thumb over it or in darkness.
Make sure that the other lighting control positions are working properly.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the rain and light sensor connector (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 + 12 V APC on connection BPT of component 1415.
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.
If the + 12 V feed is not correct, check the insulation, continuity and the absence of interference resistance
of the following connection:
●Connection code BPT between components 645 and 1415.
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 + 12 V feed is not correct for vehicles manufactured after June 2005, check the insulation, continuity and
the absence of interference resistance on the following connection:
●Connection code BPT between component 645 and fuse F5F (7.5A) (on the Protection and Switching
Unit).
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.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_ET115/UCH_V48_ET115/UCH_V4C_ET115/
UCH_V4D_ET115/UCH_V4F_ET115/UCH_V50_ET115

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 234
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 234V9 MR-372-J84-87B000$559.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET115
CONTINUED
Check for earth on the MAM connection of component 1415.
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 UCH connector (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 insulation, continuity and the absence of interference resistance on the following connection:
●Connection code 14S between components 645 and 1415.
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 configuration LC044 Rain/light sensor.
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 statuses87B
87B - 235
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 235V9 MR-372-J84-87B000$602.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50 PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses
ET159
ET160
REAR LEFT-HAND DOOR CHILD SAFETY LOCK
REAR RIGHT-HAND DOOR CHILD SAFETY LOCK
NOTESNo faults should be present or stored.
Check that configuration LC035 Child safety lock is WITH, if not perform configuration
using specific command SC016 Child safety lock (see Configurations and
programming). Status only visible if Vdiag 4C, 4D, 4F and 50 UCH.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
IMPORTANT
After disconnecting the battery, there may be an inconsistency between a request on the switch and the status of
one or two lock(s).
In this case, deactivate and reactivate the switch until the warning light comes on when the switch is pressed.
Check the condition and connection of the lock connector (broken, bent, oxidised 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 the condition and connection of the PP2 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 for earth on connection MZ of component 139 or on connection MAQ of component 138.
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 connections:
●Connection code 87A between components 645 and 139.
●Connection code 87B between components 645 and 138.
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 faulty lock.
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_ET159/UCH_V48_ET159/ UCH_V4C_ET159/UCH_V4D_ET159/
UCH_V4F_ET159 /UCH_V50_ET159/UCH_V44_ET160/UCH_V48_ET160/
UCH_V4C_ET160 /UCH_V4D_ET160/UCH_V4F_ET160 /UCH_V50_ET160
MR-372-J84-87B000$602.mif

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 - Interpretation of parameters
87B
87B -242
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of parameters
87B
87B -242V9 MR-372-J84-87B000$688.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
PR002
EXTERNAL TEMPERATURE
NOTESUse Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the temperature sensor connector (e.g.: connector incorrectly connected, pins bent, broken, oxidised, etc.).
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 the UCH connector (e.g.: connector incorrectly connected, pins bent, broken, oxidised, etc.).
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 the continuity and insulation of the following connections:
●Connection code 47C.
●Connection code 47D.
Between components 645 and 245.
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.
Measure the sensor resistance on tracks 1 and 2.
Approximate temperature in ˚CSensor resistance in ΩΩ Ω Ω
Between 0 and 5 Between 5400 and 6200
Between 11 and 15 Between 3700 and 4400
Between 21 and 25 Between 2500 and 3000
Between 31 and 35 Between 1700 and 2100
Replace the sensor if necessary.
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_PR002/UCH_V48_PR002/UCH_V4C_PR002 /
UCH_V4D_PR002/ UCH_V4F_PR002/UCH_V50_PR002

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 - Interpretation of commands87B
87B - 249
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 249V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC004
LOCK DOORS AND BOOT
NOTESNo faults should be present or stored.
This command is for testing locking relay operation.
Note:
The driver's door circuit is shared with the fuel tank flap circuit.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
One or more doors do not lock when the command is activated.
Check the condition and connection of the PP2 connector 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 condition and connection of the connector on the faulty lock(s).
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 earth on the following connections:
●Connection code MAM.
●Connection code 87H of component 140.
●Connection code MZ.
●Connection code 87A of component 139.
●Connection code MAN.
●Connection code 87G of component 141.
●Connection code MAQ.
●Connection code 87B of component 138.
●Connection code 20BC.
●Connection code 20BH of component 844.
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.
If faulty: If OK:
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.