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

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 291
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 291V9 MR-372-J84-87B000$817.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC037
TRANSMITTER AERIAL FAULT FINDING
NOTESNo faults should be present or stored.
Special note:
This command is used to run fault finding on the internal and external transmitter
aerials on open circuit or short circuit to + 12 V.
This command takes 1 minute.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
After activating the command, perform fault reading.
If one (or more) fault(s) concerning the aerials appear(s), refer to the processing of this (these) fault(s).
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 - 292
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87B
87B - 292V9 MR-372-J84-87B000$817.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
AC076
CHILD SAFETY LOCK INDICATOR LIGHT
NOTESNo faults should be present or stored.
This command is for testing child safety lock indicator light operation.
The command lasts 7 seconds.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
The child safety lock switch light does not light up when the command is activated.
Check the condition and connection of the child safety lock switch 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 + 12 V on connection BPT 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 condition and connection of connector PE1 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 20T 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.
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 - Fault Finding Chart87B
87B - 300
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 300V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart
ALP1 No dialogue with the computer
NOTESCheck the condition and connection of the battery connections.
Check the condition of the power fuses on the battery's positive terminal.
Check the battery voltage.
Repair if necessary.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Is there contact or another feed level?
NO
Perform locking/unlocking.
Did locking/
unlocking work?
NO
YESRefer to ALP 1 (see 88B, Multiplexing).
Has the fault disappeared?
YES NO
YESRefer to the section
Interpretation of faults, Multiplex
network out of service (see 88B
Multiplexing).
Contact the Techline.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP1/UCH_V48_ALP1/ UCH_V4C_ALP1/
UCH_V4D_ALP1 /UCH_V4F_ALP1/UCH_V50_ALP1
MR-372-J84-87B000$903.mif

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.

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 303
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 303V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP3 NO RIGHT-HAND DIRECTION INDICATOR
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Check the bulbs.
Are the bulbs in good condition?
YES
Check the + 12 V supply and earth on the bulb
connectors (see interpretation of DF012 Right-hand
direction indicator circuit).
Is there a supply?
NO
Check status ET084 Right-hand direction
indicator request by actuating the control stalk.
Is status ET084 present?
YES
Perform command AC023 Right-hand direction
indicator.
Does the right-hand direction indicator come on?
YES
Check the UCH connectors.
If the fault is still present, contact the Techline.
NOReplace the bulbs.
YESVerify that there is no corrosion on the
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.
NOApply interpretation of status ET084
Right-hand indicator request.
NOApply interpretation of command AC023
Right-hand direction indicator.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP3/UCH_V48_ALP3/ UCH_V4C_ALP3/
UCH_V4D_ALP3 /UCH_V4F_ALP3/UCH_V50_ALP3

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 304
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 304V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP4 No left-hand direction indicator
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Check the bulbs.
Are the bulbs in good condition?
YES
Check the + 12 V supply and earth on the headlight
connectors (see interpretation of DF013 Left-hand
direction indicator circuit).
Is there a supply?
NO
Check status ET083 Left-hand direction indicator
request by moving the control stalk.
Is status ET083 present?
YES
Perform command AC022 Left-hand direction
indicator.
Does the left-hand direction indicator come on?
YES
Check the UCH connectors.
If the fault is still present, contact the Techline.
NOReplace the bulbs.
YESVerify that there is no corrosion on the
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.
NOApply interpretation of status ET083 Left-
hand direction indicator request.
NOApply interpretation of command AC022
Left-hand direction indicator.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP4/UCH_V48_ALP4/ UCH_V4C_ALP4/
UCH_V4D_ALP4 /UCH_V4F_ALP4/UCH_V50_ALP4

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 305
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 305V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP5No side lights
(Lights without xenon bulb)
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the bulbs.
Are the bulbs in good condition?
YES
Check the + 12 V supply between connections LPD
and MAS of component 226.
Check the + 12 V supply between connections LPG
and MAS of component 270.
Are the feeds correct?
NO
Check status ET081 Lighting stalk position.
Is the side lights request on side lights?
YES
Run fault finding on the Protection and Switching
Unit.
NOReplace the bulbs.
YESVerify that there is no corrosion on the
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.
NOApply interpretation of status ET081
Lighting stalk position.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP5/UCH_V48_ALP5/ UCH_V4C_ALP5/
UCH_V4D_ALP5 /UCH_V4F_ALP5/UCH_V50_ALP5

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 306
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 306V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP6NO DIPPED HEADLIGHTS
(Lights without xenon bulb)
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the bulbs.
Are the bulbs in good condition?
YES
Check the + 12 V supply between connections RPG
and MAS of component 270.
Check the + 12 V supply between connections RPD
and MAS of component 270.
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 feeds correct?
NO
Check status ET081 Lighting stalk position.
Is the dipped beam headlight request on dipped
beam?
YES
Run fault finding on the Protection and Switching
Unit and check the dipped headlight F8C fuses
(Vdiag 44 UPC) and F3 and F4 fuses (Vdiag 48 or
above UPC) on the UPC.
NOReplace the bulbs.
YESVerify that there is no corrosion on the
connector.
Repair if necessary.
NOApply interpretation of status ET081
Lighting stalk position.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP6/UCH_V48_ALP6/ UCH_V4C_ALP6/
UCH_V4D_ALP6 /UCH_V4F_ALP6/UCH_V50_ALP6

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 307
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 307V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP7No main beam headlights
(Lights without xenon bulb)
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the bulbs.
Are the bulbs in good condition?
YES
Check the + 12 V supply on connection RPD of
component 226 and on connection RPG of
component 227.
Check for earth on connection MAS of
components 226 and 227.
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 feeds correct?
NO
Check status ET081 Lighting stalk position.
Does the side light request occur on main beam?
YES
Run fault finding on the Protection and Switching
Unit.
Check the F8A and F8B fuses (Vdiag 44 UPC) and
F6 and F7 fuses (Vdiag 48 or above UPC).
NOReplace the bulbs.
YESVerify that there is no corrosion on the
connector.
Repair if necessary.
NOApply interpretation of status ET081
Lighting stalk position.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP7/UCH_V48_ALP7/ UCH_V4C_ALP7/
UCH_V4D_ALP7 /UCH_V4F_ALP7/UCH_V50_ALP7

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 309
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart87B
87B - 309V9 MR-372-J84-87B000$903.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ALP9 No rear screen wiper
NOTESOnly check this customer complaint after performing a complete check with the
diagnostic tool.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check status ET080 Rear screen wiper request
with the stalk in the rear screen wiper position.
Is status ET080 Present?
YES
Perform command AC007 Rear screen wiper.
Check for + 12 V on component 211 on the following
connection:
●Connection code 36C.
Check the earth of component 211 on the following
connection:
●Connection code MZ.
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.
Is the rear wiper working?
YES
Check the UCH connectors.
If the fault is still present, contact the Techline.
NOApply interpretation of status ET080 Rear
screen wiper request.
NOPerform fault finding on command AC007
Rear screen wiper.
AFTER REPAIRCarry out a complete check using the diagnostic tool.
UCH_V44_ALP9/UCH_V48_ALP9/ UCH_V4C_ALP9/
UCH_V4D_ALP9 /UCH_V4F_ALP9/UCH_V50_ALP9