2008 RENAULT SCENIC relay

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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 282
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 282V9 MR-372-J84-87B000$817.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC031
CONTINUED 3
Glovebox locking
If after command AC031, the glovebox does not unlock:
Check for + 12 V on connection 20BL of component 1490 during command AC031 Headlight washer 2 relay.
If there is no 12 V, check the following connection:
●Connection code 20BL between components 645 and 1490.
If there is + 12 V, check the following connection:
●Connection code 20BC between components 645 and 1490.
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.
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 - 301
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 301V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP1
CONTINUED
Check the condition and connection of connector PP1 of 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 for earth on connection MAM on the PP3 connector of component 645.
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 following connections of the PP1 connector:
●Connection code BPS1 of component 645.
●Connection code BP77 of component 645.
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.
Are the power supplies correct?
YES NO
Repair the faulty connections and fuses up to the
battery, checking the passenger compartment relay
and fuse boxes and the power supply fuse board.
Contact the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.