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

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 177V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET055
ET056
ET057
DRIVER'S SIDE FRONT OPTICAL SENSOR
DRIVER'S SIDE REAR OPTICAL SENSOR
PASSENGER SIDE FRONT/REAR OPTICAL SENSORS
NOTESNo faults should be present or stored.
Switch the ignition on, then switch it off.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check that the status ET054 Optical sensor supplied is YES.
Place your hand behind the door handle; make sure the corresponding status is active.
If the status is inactive, lock the vehicle and pull the handle.
Is the status ACTIVE?
YES
NO
Check the condition of the reflective surface inside the handle (frost, dirt).
Check the condition of the optical sensor.
If necessary, replace the sensor.
Check the insulation and continuity of the following connections:
●Connection code 26P.
Between components 645 and 1083.
Between components 645 and 1084.
Between components 645 and 1085.
Between components 645 and 1086.
●Connection code 26T between components 645 and 1084.
●Connection code 26S between components 645 and 1086.
●Connection code 26Q.
Between components 645 and 1083.
Between components 645 and 1085.
●Connection code MAN between component 1083 and earth.
●Connection code MAM between component 1084 and earth.
●Connection code MAQ between component 1085 and earth.
●Connection code MZ between component 1086 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 the Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_ET055/UCH_V48_ET055/ UCH_V4C_ET055/UCH_V4D_ET055/ UCH_V4F_ET055/UCH_V50_ET055/
UCH_V44_ET056/UCH_V48_ET056/ UCH_V4C_ET056/UCH_V4D_ET056/ UCH_V4F_ET056/UCH_V50_ET056/
UCH_V44_ET057/UCH_V48_ET057/ UCH_V4C_ET057/UCH_V4D_ET057/ UCH_V4F_ET057/UCH_V50_ET057

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 178
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 178V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
*LCKG: lockingET058
ET059
LCKG* BUTTON ON DRIVER'S SIDE HANDLES
LCKG* BUTTONS ON PASSENGER SIDE HANDLES
NOTESThere must be no faults present.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and the connection of the door connector (tabs bent, broken, oxidised etc.).
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 PE3 connector of the UCH (tabs bent, broken, oxidised etc.).
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 MAM of component 1374.
Check for an earth on connection MAN of component 1375.
Check for an earth on connection MZ of component 1376.
Check for an earth on connection MAQ of component 1377.
If the connector or connection is faulty and if there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the connector; otherwise, replace the wiring.
Check the insulation and continuity of the following connections:
●Connection code AP.
Between component 645 and 1374.
Between component 645 and 1376.
●Connection code AQ.
Between component 645 and 1375.
Between component 645 and 1377.
●Connection code MAM between component 1374 and earth.
●Connection code MAN between component 1375 and earth.
●Connection code MZ between component 1376 and earth.
●Connection code MAQ between component 1377 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.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_ET058/UCH_V48_ET058/ UCH_V4C_ET058/UCH_V4D_ET058/ UCH_V4F_ET058/UCH_V50_ET058/
UCH_V44_ET059/UCH_V48_ET059/ UCH_V4C_ET059/UCH_V4D_ET059/ UCH_V4F_ET059/UCH_V50_ET059

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 180
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 180V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET060
LOCKING BUTTON ON TAILGATE
NOTESThere must be no faults present.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the transparent connector of the boot locking button (tabs crushed, broken,
oxidised, etc.).
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 PE3 connector of the UCH (tabs bent, broken, oxidised etc.).
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 MZ of component 1409.
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 26AR between components 645 and 1409.
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 of the following connections (tailgate button in Released position) and the continuity of the
following connections (tailgate button in Pressed position):
●Connection code 26AR,
●Connection code MZ of component 1409.
Replace the button if necessary.
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.
UCH_V44_ET060/UCH_V48_ET060/ UCH_V4C_ET060/
UCH_V4D_ET060 /UCH_V4F_ET060/UCH_V50_ET060

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 181V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET061
TAILGATE OPENING REQUEST
NOTESNo faults should be present or stored.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
ET061 Absent if button pressed.
Check the condition and connection of the PE3 connector 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 20G of component 645 (Button pressed).
Is there an earth?
YES
NO
Contact the Techline.
Check the condition and the connection of the 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 earth on connection MZ of component 560.
Check the continuity between connections 20G and MZ of component 560
(Button pressed).
If there is insulation, replace component 560.
Check the continuity on the following connection:
●Connection code 20G between components 645 and 560.
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_ET061/UCH_V48_ET061/ UCH_V4C_ET061/
UCH_V4D_ET061 /UCH_V4F_ET061/UCH_V50_ET061

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 182
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 182V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET061
CONTINUED
NOTESNo faults should be present or stored.
ET061 Present if the button is pressed.
Check the insulation against earth on connection 20G 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 the insulation between connections 20G and MZ of component 560.
If there is continuity, replace the switch.
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 statuses87B
87B - 187
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 187V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET070
START BUTTON
NOTESNo faults should be present or stored.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
Check the condition and connection of the start button connector (broken, bent, oxidised tabs).
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 MAM of component 1087.
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 (start button in pressed position) and insulation of the following connections (start button
in released position):
●Connection code 26N,
●Connection code MAM of component 1087.
Replace the start button if necessary.
Check the condition and connection of the PE1 connector of the UCH (tabs bent, broken, oxidised etc.).
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 26N,
●Connection code 26M between components 1087 and 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.
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.
UCH_V44_ET070/UCH_V48_ET070/ UCH_V4C_ET070/
UCH_V4D_ET070 /UCH_V4F_ET070/UCH_V50_ET070

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 190
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 190V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET073
STEERING COLUMN LOCK SENSOR SIGNAL
NOTESNo faults should be present or stored.
The status should be unlocked with after ignition feed present or semi activated to
+ accessories.
Special note:
Perform locking/unlocking.
Check the power supply to the lock for 5 min after the locking-unlocking operation.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
ET073 Faulty when the steering column is not unlocked.
ET073 Short circuit when the steering column is not unlocked.
Check the condition and connection of the steering column lock connector (tabs bent, broken, oxidised, etc.).
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 PE2 connector of the UCH (tabs bent, broken, oxidised, etc.).
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 supply of connection 26I on the connector of component 1088.
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 of connection NAM on the connector of component 1088.
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 26AZ,
●Connection code 26BA,
●Connection code 26J of component 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.
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.
UCH_V44_ET073/UCH_V48_ET073/ UCH_V4C_ET073/
UCH_V4D_ET073 /UCH_V4F_ET073/UCH_V50_ET073

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 192
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 192V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET075
+ ACCESSORIES PRESENT
NOTESNo faults should be present or stored.
Special note:
Check that the start switch operates correctly: ET070 Start button.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
ET075 is YES but + accessories is absent.
Check for + 12 V on component 260 (on the left-hand side of the centre console) on connection BP11 (track E1).
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 power-supply fuses.
Check that there is no + 12 V on connection S of component 645 (with + after ignition feed).
If NO, contact the techline.
If YES, check the continuity of the following connection:
●Connection code S between components 645 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.
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults.
Deal with any other faults.
UCH_V44_ET075/UCH_V48_ET075/ UCH_V4C_ET075/
UCH_V4D_ET075 /UCH_V4F_ET075/UCH_V50_ET075

PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 193V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET075
CONTINUED
ET075 is NO but + accessories is present.
NO
Check for + 12 V on connection S of component 645 (UCH output).
If NO, contact the techline.
Check for + 12 V on connection BP11 (track E1) of component 260.
Check the supply fuses, disconnect one by one to determine which line has the short
circuit.
If YES, check the continuity and insulation of the following connection:
●Connection code S between components 645 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.
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 statuses87B
87B - 194
PASSENGER COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of statuses87B
87B - 194V9 MR-372-J84-87B000$516.mif
UCH
Vdiag No.: 44, 48,
4C, 4D, 4F, 50
ET077
WIPER STALK POSITION
NOTESNo faults should be present or stored.
Use Wiring Diagrams Technical Note for MEGANE II or SCENIC II.
In the event of an inconsistency, check the steering column control connectors.
Check the insulation and continuity of the following connections:
●Connection code 141D,
●Connection code 141G,
●Connection code 141H between components 645 and 1519.
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.
UCH_V44_ET077/UCH_V48_ET077/ UCH_V4C_ET077/
UCH_V4D_ET077 /UCH_V4F_ET077/UCH_V50_ET077