relay RENAULT SCENIC 2008 J84 / 2.G Passenger Comparment Connection Unit Owner's 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 - 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 - 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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 261
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 261V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
*RCH: Passenger Compartment Heating ResistorsAC017
RCH* 2 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 connections MAK 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 38LM of component 1113.
NO
Check for + 12 V on connection 38LM of
component 1068.
NO
YESCheck that the resistances, between
connections 38LM (track 1) and MAK
(track 2) and between connections 38LM
(track 5) 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 38LM between
components 1068 and 1113.
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 - 263
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 263V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
*RCH: Passenger Compartment Heating ResistorsAC017
CONTINUED 2
Check for + 12 V on connection AP43 of
component 1068.NO
If everything is OK, replace the relay.
Check the insulation and continuity of
the following connection:
●Connection code AP43 between
components 1068 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 - 277
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 277V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC030
HEADLIGHT WASHER 1 RELAY
(ONLY IF VDIAG 44 UPC)
NOTESNo faults should be present or stored.
This command is for testing headlight washer 1 operation.
The command lasts 3 seconds.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check for earth on connections 39A
and 39C of component 219.
Is there an earth?Not on connection 39C.
YES
Not on connection 39A.With the command running, check for + 12 V on
connection 39A of component 219.
Is there + 12 V?NO
YES
Replace the headlight washer pump.
Check the condition and connection of the headlight washer relay 1 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 an earth on connection MAS of component 753.
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 continuity and insulation of the following connection:
●Connection code 39A between components 753 and 219.
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 everything is OK, replace the relay.
Run the fault finding procedure for
command AC031 Headlight washer
2 relay.
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 - 278
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 278V9 MR-372-J84-87B000$774.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC030
CONTINUED
Check the condition and connection of headlight washer relay 1.
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 connections 39G and BP32 of component 753.
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 39G of component 753.
Is there an earth?
YES NO
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 connection:
●Connection code SP2 between components 753 and 260.
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.
Check the continuity and insulation of the following connection:
●Connection code 39A between components 753 and 219.
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 everything is OK, replace the relay.
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 - 279
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 279V9 MR-372-J84-87B000$817.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50 PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
AC031
HEADLIGHT WASHER RELAY 2
(ONLY IF VDIAG 44 UPC)
NOTESNo faults should be present or stored.
This command is used to test the operation of headlight washer 2 or for locking the
glovebox if the vehicle is fitted with one of these functions: This command is only active
for UPC Vdiag 44 (see System operation).
The command lasts 3 seconds.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Headlight washer 2 relay
Check for earth on connections 39A
and 39C of component 219.
Is there an earth?Not on connection 39C.
YES
Not on connection 39A.With the command running, check for + 12 V on
connection 39C of component 219.
Is there + 12 V?NO
YES
Replace the headlight washer pump.
Run the fault finding procedure for
command AC030 Headlight washer 1
relay.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
MR-372-J84-87B000$817.mif

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 280
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 280V9 MR-372-J84-87B000$817.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC031
CONTINUED 1
Check the condition and connection of the headlight washer 2 relay 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 an earth on connection MAS of component 1338.
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 continuity and insulation of the following connection:
●Connection code 39C between components 219 and 1338.
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 everything is OK, replace the relay.
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 - 281
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 281V9 MR-372-J84-87B000$817.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC031
CONTINUED 2
Check the condition and connection of headlight washer 2 relay.
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 connections 39H and BP32 of component 1338.
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 39H of component 1338.
Is there an earth?
YES NO
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 connection:
●Connection code 39H between components 645 and 1338.
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.
Check the continuity and insulation of the following connection:
●Connection code 39C between components 219 and 1338.
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 everything is OK, replace the relay.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.