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

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -101
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -101V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF029
CONTINUED 1
1.DEF/
2.DEF
NOTESAttempt to apply forced + after ignition feed to update the
faults.
Check the presence and condition of fuses F5A and F5D on the Protection and Switching Unit ( Vdiag 44 UPC)
or fuses F11 and F18 ( Vdiag 48 UPC or later).
If the fuse(s) is faulty, replace it.
Check the condition and connection of the steering column lock connector.
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 condition and connection of connectors PP2 and PE2 on the UCH and connectors PEH (Vdiag44
UPC) or CT1 (Vdiag 48 UPC or later) on the Protection and Switching Unit (bent or broken tabs, etc.).
Ifthe connector(s) is faulty and if there is a repair procedure ( seeTe chnical Note 6 015A, Repairing e lectrical wiring,
Wiring: Precautions for repair), r epair the connector, otherwise replace the wiring.
Check the insulation and continuity of the following connection:
●Connection code NAM between component 1088 and earth.
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 and continuity of the following connections:
●Connection code 26I,
●Connection code 26AZ,
●Connection code 26BA.
Between components 645 and 1088.
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.
Check for + 12 V on connection AP15 of component 1088.
Check the insulation, continuity and the absence of interference resistance on connection AP15 between
components 1337 and 1088.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
With the ignition on, check for + 12 V on connection APCB of component 645.
Check the insulation, continuity and the absence of interference resistance on connection APCB between
components 1337 and 645.
If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -102
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -102V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF029
CONTINUED 2
4DEF/
5.DEF/
6.DEF
NOTESAttempt to apply forced + after ignition feed to update the
faults.
Check the condition and connection of the steering column lock connector, component code 1088 (tabs bent,
broken, 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 condition and connection of the PE1 connector on the UCH, component code 645 (tabs bent, broken,
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 the insulation of the following connection:
●Connection code 26J between components 645 and 1088.
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 the 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 faults
87B
87B -103
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -103V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF030
PRESENT
ANTI-LOCKING LINE
CO: Open circuit
NOTESUse Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
CO.1
NOTESNone.
Check the condition and connection of the steering column lock connector (tabs bent, broken).
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 presence and condition of the F5D fuse on the UPC (Vdiag 44 UPC) or the F18 fuse (Vdiag 48 UPC
or later). Replace the fuse if it is faulty.
Check the condition and connection of connector PEH (UPC Vdiag 44) or connector CT1 (UPC Vdiag 48) of the
UPC (bent or broken tabs, 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 insulation and continuity of the following connection:
●Connection code AP15 between components 645 and 1088.
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 the Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF030P/UCH_V48_DF030P/UCH_V4C_DF030P/
UCH_V4D_DF030P/UCH_V4F_DF030P/UCH_V50_DF030P

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -104
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -104V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF031
PRESENT
OR
STOREDONE TOUCH WINDOW CONNECTION
CC.1: Short circuit to + 12 V
CO.0: Open circuit or short circuit to earth
NOTESConditions for applying the fault finding procedure to a stored fault:
If the fault becomes present after a one-touch window has been activated, then apply
this fault finding procedure.
Special note: If the vehicle is not fitted with one-touch windows, ignore this fault. Refer
to the information about Electric windows in the Fault finding chart section.
If the vehicle has Mégane II ph2 bodywork: see MR 366 Fault finding, 87D, Electric
windows - Sunroof.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the electric window connector (tabs bent, broken, 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 condition and connection of the connector PE2 of the UCH (tabs bent, broken, 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 insulation and continuity of the following connection:
●Connection code 21K.
Between components:
–645 and 202,
–645 and 203,
–645 and 204,
–645 and 304.
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 the Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF031 /UCH_V48_DF031/UCH_V4C_DF031/
UCH_V4D_DF03 1/UCH_V4F_DF031/UCH_V50_DF031

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -105
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -105V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF032
PRESENT
OR
STOREDBOOT EXTERNAL AERIAL
CO.1: Short circuit or open circuit to + 12 V
NOTESConditions for applying the fault finding procedure to a stored fault:
Activation of command AC037: Transmitter aerial fault finding; if the fault becomes
present, then carry out this fault finding procedure.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the external boot aerial connector (tabs bent, broken, 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 condition and connection of the PE3 connector of the UCH (tabs bent, broken, 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 insulation and the continuity of the following connections:
●Connection code 26AM,
●Connection code 26AN.
Between components 645 and 1378.
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 aerial 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_DF032 /UCH_V48_DF032/UCH_V4C_DF032/
UCH_V4D_DF03 2/UCH_V4F_DF032/UCH_V50_DF032

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -106
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -106V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF033
PRESENT
OR
STOREDDRIVER'S SIDE EXTERNAL AERIAL(S)
CO.1: Short circuit or open circuit to + 12 V
NOTESConditions for applying the fault finding procedure to a stored fault:
Activation of command AC037: Transmitter aerial diagnostic; if the fault appears,
then carry out this fault finding procedure.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the driver's side external aerial connector (tabs bent, broken, 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 condition and connection of the PE3 connector of the UCH (tabs bent, broken, 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 insulation and the continuity of the following connections:
●Connection code 26AA,
●Connection code 26AB,
●Connection code 26AH,
●Connection code 26AG.
Between components:
–645 and 1374,
–645 and 1376.
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.
Disconnect one aerial then the other to identify which is the cause of the fault.
(The aerials are connected by side, a short circuit in one aerial affects all the aerials on the same side).
Replace the aerial 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_DF033 /UCH_V48_DF033/UCH_V4C_DF033/
UCH_V4D_DF03 3/UCH_V4F_DF033/UCH_V50_DF033

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -107
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -107V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF034
PRESENT
OR
STOREDPASSENGER SIDE EXTERNAL AERIAL(S)
CO.1: Short circuit or open circuit to + 12 V
NOTESConditions for applying the fault finding procedure to a stored fault:
Activation of command AC037: Transmitter aerial fault finding; if the fault becomes
present, then carry out this fault finding procedure.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the passenger's side external aerial connector (tabs bent, broken, 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 condition and connection of the PE3 connector of the UCH (tabs bent, broken, 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 insulation and the continuity of the following connections:
●Connection code 26AC,
●Connection code 26AD,
●Connection code 26AL,
●Connection code 26AK.
Between components:
–645 and 1375,
–645 and 1377.
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.
Disconnect one aerial then the other to identify which is the cause of the fault.
(The aerials are connected by side, a short circuit in one aerial affects all the aerials on the same side).
Replace the aerial 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_DF034 /UCH_V48_DF034/UCH_V4C_DF034/
UCH_V4D_DF03 4/UCH_V4F_DF034/UCH_V50_DF034

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -108
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -108V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF035
PRESENT
OR
STOREDINTERNAL AERIALS CIRCUIT
CO.1: Short circuit or open circuit to + 12 V
NOTESConditions for applying the fault finding procedure to a stored fault:
Activation of command AC037: Transmitter aerial fault finding; if the fault becomes
present, then carry out this fault finding procedure.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the front internal aerial connector (tabs bent, broken, 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 condition and connection of the PE3 connector of the UCH (tabs bent, broken, 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 to earth of the following connections:
●Connection code 26AT,
●Connection code 26AU,
●Connection code 26AX,
●Connection code 26AY,
●Connection code 26AV,
●Connection code 26AW.
Between components:
–645 and 1375,
–645 and 1377.
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.
Disconnect the aerials one by one to identify which is the cause of the fault.
(The 3 aerials are interconnected in the UCH, a short circuit in one aerial affects all the aerials).
Replace the aerial 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_DF035 /UCH_V48_DF035/UCH_V4C_DF035/
UCH_V4D_DF03 5/UCH_V4F_DF035/UCH_V50_DF035

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -109
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B -109V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF072
PRESENT
OR
STOREDCHILD SAFETY LOCK CIRCUIT
CC: Short circuit
CO: Open circuit
CO
CC
NOTESIf DF074 Left-hand door child safety lock circuit and
DF073 Right-hand door child safety lock circuit are
present, reconfigure the child safety lock function using the
special command SC016 Child safety lock (see
Configurations and programming).
Use Wiring Diagrams Technical Note for MEGANE II or
SCENIC II.
Check the condition and connection of the child safety lock switch connector.
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 for + 12 V on connection BPT of component 135.
Check for + after ignition feed on connection AP43 of component 135.
If the connection is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check for earth on connection MAM of component 135.
If the connection(s) are faulty and there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check the condition and connection of connector PE1 on the UCH.
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 insulation and continuity of the following connections:
●Connection code 20AL,
●Connection code 20AP43.
Between components 645 and 135.
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.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF072 /UCH_V48_DF072/UCH_V4C_DF072/
UCH_V4D_DF072/UCH_V4F_DF072/UCH_V50_DF072

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B-110
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults
87B
87B-110V9 MR-372-J84-87B000$344.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
DF073
PRESENT
OR
STOREDRIGHT-HAND DOOR CHILD SAFETY LOCK CIRCUIT
CC: Short circuit
CO: Open circuit
CO/
CC
NOTESIf DF072 Child safety lock circuit is present, reconfigure
the child safety function using special command SC016
Child safety lock (see Configurations and
programming).
Use Wiring Diagrams Technical Note for MEGANE II or
SCENIC II.
Check the condition and connection of the child safety lock switch connector.
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 for + 12 V on connection BPT of component 135.
Check for + after ignition feed on connection AP43 of component 135.
If the connection(s) are faulty and there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check for earth on connection MAM of component 135.
If the connection is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check the condition and connection of the UCH PE1 and PP2 connectors.
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 insulation and continuity of 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.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_DF073 /UCH_V48_DF073/UCH_V4C_DF073/
UCH_V4D_DF073/UCH_V4F_DF073/UCH_V50_DF073