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

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 251
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 251V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC005
AC006
UNLOCK DOORS AND BOOT
DRIVER'S DOOR UNLOCKING
NOTESNo faults should be present or stored.
This command is for testing unlocking relay operation.
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 unlock when the commands are 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:
●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 140.
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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 252
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 252V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC005
AC006
CONTINUED
Check for the + 12 V feed with the command running on the following connections:
●Connection code 20BK.
●Connection code 20BD for components 138, 139 and 141.
●Connection code 20BH.
●Connection code 20BH for components 140 and 844.
If the + 12 V feed between the connections is correct, replace the faulty lock(s).
If faulty:
Check the insulation and continuity of the following connections:
●Connection code 20BC.
●Connection code 20BH between components 645 and 140.
●Connection code 20BC.
●Connection code 20BH between components 645 and 844.
●Connection code 20BD.
●Connection code 20BK between components 645 and 138.
●Connection code 20BD.
●Connection code 20BK between components 645 and 139.
●Connection code 20BD.
●Connection code 20BK between components 645 and 141.
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 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 - 253
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 253V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC007
REAR SCREEN WIPER
NOTESNo faults should be present or stored.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
The rear screen wiper does not operate when the command is activated.
Check the condition and connection of the rear screen wiper motor 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.
Check for earth on connection MZ of component 211.
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 + 12 V feed on connection 36A of component 211.
If everything is correct, replace the rear screen wiper motor.
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 connector PE3 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 connections:
●Connection code 36A.
●Connection code 36C between components 645 and 211.
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 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 - 254
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 254V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC008
FRONT FOG LIGHTS
NOTESCheck:
–the condition and connection of the front fog lights fuse,
–the condition of the bulbs.
Replace the bulbs if necessary.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
The rear screen wiper does not operate when the command is activated.
Check the condition and connection of connector PPA on the UPC (Vdiag 44) or connector AN on the UPC
(Vdiag 48 or above).
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 bulb connectors.
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 R9 connection then check the connections of the bulb connectors.
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 + 12 V on the fog light connectors they are being controlled by command AC004.
If the + 12 V on the connectors is correct, replace the bulb(s).
Check the insulation and continuity of the following connections:
●Connection code 8F between components 176 and 1337.
●Connection code 8E between components 177 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.
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 - 255
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 255V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC009
REAR FOG LIGHTS
NOTESNo faults should be present or stored.
This command is for testing operation of the rear fog lights.
Check the bulbs.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Left-hand drive
Check the condition and connection of the connector for each rear light.
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 on component 173.
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 + 12 V feed on connection 9P of component 173.
If the + 12 V feed is correct, check the bulbs again and if the bulbs still do not work, replace the rear light.
Check the condition and connection of UCH connector PP3.
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 9P between components 645 and 173.
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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 256
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 256V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC009
CONTINUED
Right-hand drive
Check the condition and connection of the connector for each rear light.
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 MAQ on component 172.
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 + 12 V feed on connection 9P of component 172.
If the + 12 V feed is correct, check the bulbs again and if the bulbs still do not work, replace the rear light.
Check the condition and connection of UCH connector PP3.
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 9P between components 645 and 172.
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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 257
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 257V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC015
AIR-CONDITIONING BUTTON INDICATOR LIGHT
Manual air conditioning only
NOTESNo faults should be present or stored.
This command is for testing operation of the air-conditioning indicator light.
Apply the after ignition feed, and the air conditioning control panel should light up.
The command lasts 7 seconds.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
The indicator light does not light up when the command is activated.
Check the condition and connection of the heater control 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.
Check for earth on connection NAM of component 316.
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 + 12 V feed on connection 38ES of component 316.
If OK, replace the control 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 38ES between components 645 and 319.
●Connection code NAM between component 319 and earth.
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 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 - 258
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 258V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
*RCH: Passenger Compartment Heating ResistorsAC016
RCH* 1 RELAY
NOTESCheck that the vehicle is fitted with passenger compartment heating resistors.
No faults should be present or stored.
This command is for testing the operation of the passenger compartment heating
resistors.
The command lasts 7 seconds.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check for earth on connection NAM of
component 1113.
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 + 12 V feed on
connection 38LL of component 1113.
NO
Check for + 12 V on connection BP9 of
component 1067.
NO
YESCheck that the resistances, between
connections 38LL and MAK (track 2) and
between connections 38LL and MAK
(track 4) of component 1113, are equal to
infinity. Replace the passenger
compartment heating resistors if faulty.
YESCheck the insulation and continuity of
the following connection:
●Connection code 38LL between
components 1067 and 1113.
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.
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 - 259
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 259V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC016
CONTINUED 1
Check for earth, with the command running, on
connection 38JU of component 1067.NO
YES
Check for + 12 V on connection AP43 of
component 1067.NO
YES
Contact the Techline.
NO
With the command running, check for
earth on connection 38JU between
components 645 and 1067.
YES
Check the insulation and continuity of the following connection:
●Connection code 38JU between components 1067 and 645.
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 that the F5F (7.5A) power feed fuse
board fuse is fitted, in good condition and
properly connected.
Repair if necessary.
YES
Check the insulation and continuity of the following connection:
●Connection code AP43 between components 1067 and 1337.
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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 260
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 260V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
*RCH: Passenger Compartment Heating Resistors AC016
CONTINUED 2
Check for earth, with the command running, on
connection 38JU of component 1067.NO
If everything is OK, replace the relay.
Check the insulation and continuity of
the following connection:
●Connection code 38JU between
components 1067 and 645.
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.