fuse diagram RENAULT SCENIC 2008 J84 / 2.G Engine Compartment Connection Unit Owner's Manual

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87G
87G - 78V7 MR-372-J84-87G050$770.mif
UPC
Vdiag No.: 48, 4C
AC003
SIDE LIGHTS
NOTESSpecial notes:
Check the condition and connections of fuses 1 (7.5A) and 2 (7.5A) on the Protection
and Switching Unit. Replace them if necessary.
Check the condition and connections of the bulbs. Replace them if necessary.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
Check the condition and connection of the headlights, component codes 226 and 227 (tabs bent, broken or
oxidised).
If the connectors are 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 connector.
Check for earth, connection code MAS for the headlights, component codes 226 and 227.
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 for + 12 V on side light connection codes LPD and LPG whilst running the command.
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 condition and connection of the Protection and Switching Unit 8-track AN connector, connection
code 1337 (tabs broken, bent or oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check the insulation, continuity and the absence of interference resistance on the following connections:
–LPD, between components 1337 and 226,
–LPG, between components 1337 and 227.
If the 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 REPAIRRepeat the conformity check from the start.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87G
87G - 79V7 MR-372-J84-87G050$770.mif
UPC
Vdiag No.: 48, 4C
AC004
FRONT FOG LIGHTS
NOTESSpecial notes:
Use this command only for vehicles fitted with front fog lights.
Check the condition and connection of fuse 5 (20A) on the Protection and Switching
Unit. Replace it if necessary.
Check the condition and connection of the bulbs. Replace them if necessary.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
Check the condition and connection of the fog lights, component codes 176 and 177 (tabs bent, broken or
oxidised).
If the connectors are 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 connector.
Check for earth connection code MAS on the headlights, component codes 176 and 177.
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 for + 12 V on connection codes 8E and 8F for the fog lights whilst running the command.
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 condition and connection of the Protection and Switching Unit 8-track AN connector, connection
code 1337 (tabs broken, bent or oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check the insulation, continuity and the absence of interference resistance on the following connections:
–8E, between components 1337 and 177,
–8F, between components 1337 and 176.
If the 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 REPAIRRepeat the conformity check from the start.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87G
87G - 80V7 MR-372-J84-87G050$770.mif
UPC
Vdiag No.: 48, 4C
AC005
WINDSCREEN WIPER LOW SPEED
NOTESSpecial notes:
Check the condition and connection of fuse 9 (25A) on the Protection and Switching
Unit. Replace it if necessary.
Check that status ET002 Front wiper protection remains INACTIVE.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
Check the condition and connection of the wiper motor component code 212 (tabs broken, bent or oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check for earth connection code MAS on the wiper motor component code 212.
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 for + 12 V on connection code 14K on the wiper motor whilst running the command.
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 condition and connection of the Protection and Switching Unit CN connector, connection code 1337
(tabs broken, bent or oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check the insulation, continuity and the absence of interference resistance on the following connection:
–14K, between components 1337 and 212.
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 REPAIRRepeat the conformity check from the start.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87G
87G - 81V7 MR-372-J84-87G050$770.mif
UPC
Vdiag No.: 48, 4C
AC006
WINDSCREEN WIPER HIGH SPEED
NOTESSpecial notes:
Check the condition and connection of fuse 9 (25A) on the Protection and Switching
Unit. Replace it if necessary.
Make sure that status ET002 Windscreen wiper protection remains INACTIVE.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
Check the condition and connection of the wiper motor component code 212 (tabs broken, bent or oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check for earth connection code MAS on the wiper motor component code 212.
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 for + 12 V on connection code 14L on the wiper motor whilst running the command.
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 condition and connection of the Protection and Switching Unit CN connector, connection code 1337
(tabs broken, bent or oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check the insulation, continuity and the absence of interference resistance on the following connection:
–14L, between components 1337 and 212.
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 REPAIRRepeat the conformity check from the start.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87G
87G - 82V7 MR-372-J84-87G050$770.mif
UPC
Vdiag No.: 48, 4C
AC008
COMPRESSOR CONTROL
NOTESSpecial notes:
Activating the command with the engine running is prohibited.
Check the condition and connection of fuse 22 (10A) on the Protection and Switching
Unit.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
Check the condition and connection of the air conditioning compressor component code 171 (tabs bent, broken
or oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check for earth connection code MAS on the air conditioning compressor component code 171.
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 for + 12 V on connection code 38R on the compressor when the command is running.
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, continuity and the absence of interference resistance on the following connection:
–38R, between components 1337 and 171.
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 REPAIRRepeat the conformity check from the start.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87G
87G - 85V7 MR-372-J84-87G050$770.mif
UPC
Vdiag No.: 48, 4C
AC011
HEATED REAR SCREEN
NOTESSpecial notes:
Check the condition and connection of fuse 23 (30A) on the Protection and Switching
Unit. Replace it if necessary.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
REAR SCREEN
Check the condition and connection of the heated rear screen component code 200 (tabs bent, broken or
oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check that the resistance of the rear screen is neither zero nor infinity.
Check that the earth on connection code MZ of the heated rear screen component code 200 is perfect.
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 for + 12 V on connection code 15LP on the rear screen when the command is running.
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 condition and connection of the 6-track Protection and Switching Unit CM connector (tabs broken, bent
oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check the insulation, continuity and the absence of interference resistance on the following connection:
–15LP, between components 1337 and 200.
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 REPAIRRepeat the conformity check from the start.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands87G
87G - 86V7 MR-372-J84-87G050$770.mif
UPC
Vdiag No.: 48, 4C
AC013
HEADLIGHT WASHER RELAY
NOTESSpecial notes:
Check the condition and connection of fuse 21 (15A) on the Protection and
Switching Unit. Replace it if necessary.
The headlight washer pump operates if the dipped headlights are lit and the
windscreen washer switch is pressed and held.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
Check the condition and connection of the headlight washer pump component code 219 (tabs bent, broken or
oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
Check the condition and connection of the Protection and Switching Unit connector (tabs bent, broken, or
oxidised).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the connector.
To check that the pump is working properly, supply the pump's tracks directly in one direction and then the other.
If the pump does not rotate, replace it.
Check for + 12 V alternately on connection code 39C of the headlight washer pump connector.
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, continuity and the absence of interference resistance on the following connections:
–39A, between components 1337 and 219,
–39C, between components 1337 and 219.
If the 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 REPAIRRepeat the conformity check from the start.

ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Fault finding charts87G
87G-90V7 MR-372-J84-87G050$880.mif
UPC
Vdiag No.: 48, 4CENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Fault finding charts
ALP1 No dialogue with the computer
NOTESRun a complete multiplex network check using the diagnostic tool.
Check the condition and connection of the connectors and fuses on the Protection
and Switching Unit.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
Try the tool on another vehicle.
Check the voltage of the battery.
Check the condition and connection of the battery fuse box fuses and terminals.
Replace the defective fuse.
If the connection is defective and there is a repair method (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check for + 12 V on the screwed-in power terminal of the Protection and Switching Unit.
If the connection is defective and there is a repair method (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the wiring, otherwise replace it.
Check for earth on connection codes MAS and NAM of connector CM of the Protection and Switching Unit,
component code 1337.
If any of the connections are defective 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 a + 12 V battery on connection code BP32, + 12 V APC on connection code AP43 and an earth on
connection codes NAM and MAM of the diagnostic socket.
If any of the connections are defective and there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If dialogue with the computer is still not possible, contact the Techline.
AFTER REPAIRCheck that no fault is present.
USM_V48_ALP1 /USM_V4C_ALP1
MR-372-J84-87G050$880.mif