check engine light RENAULT SCENIC 2010 J95 / 3.G Engine Compartment Connection Unit User Guide

87G - 38
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
87G
V6 MR-372-J84-87G000$792_eng.mif
UPC
Vdiag No.: 44
Without xenon lights AC002
DIPPED BEAM HEADLIGHTS
NOTESCheck:
–the status and the connection of fuses 8C and 8D on the UPC,
–the status of the bulbs.
Replace them, if necessary.
Check the status and connection of connector PPA and the fuses on the UPC.
Repair if necessary.
Check the condition and connection of the headlight connectors.
Repair if necessary.
Check the presence of earth on connection R9 then on track 1 of the headlight connector.
Repair if necessary.
Check the presence of +12 V on track 2 of the headlights when controlled by command AC002.
If everything is find, replace the bulb or bulbs.
If there is a fault, check the insulation against earth and the continuity of the connections:
UPC connector PPA track 6 Left headlight track 2
UPC connector PPA track 5 Right headlight track 2
Repair if necessary.
If the fault is still present, contact the Techline.

87G - 39
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
87G
V6 MR-372-J84-87G000$792_eng.mif
UPC
Vdiag No.: 44
With xenon lights AC002
(continued)
Check the status and the connection for connector PPA and the fuses on the UPC.
Repair if necessary.
Check the condition and connection of the headlight connectors.
Repair if necessary.
Check for the presence of earth on connection R9 then on tracks 4 and 10 of the headlight connectors.
Repair if necessary.
Check that there is a +12 V supply on track 3 of the headlights when controlled by command AC002.
If everything is fine, apply the fault finding procedure (see 80C, Discharge bulbs).
If there is a fault, check the insulation against earth is in place and continuity on the connections:
UPC connector PPA track 6 Left headlight track 3
UPC connector PPA track 5 Right headlight track 3
Repair if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.

87G - 40
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
87G
V6 MR-372-J84-87G000$792_eng.mif
UPC
Vdiag No.: 44
Without xenon lights AC003
SIDE LIGHTS
NOTESCheck:
–the status and connection of fuses 7A and 7B on the UPC,
–the status of the bulbs.
Replace them, if necessary.
Check the condition and connection of connectors PPA and PPH2 and the fuses in the Protection and
Switching Unit.
Repair if necessary.
Check the condition and connection of the headlights and rear lights.
Repair if necessary.
Check for the presence of earth on connection R9 then on track 1 of the headlights and on track 2 of the rear
lights and the vehicle number plate lights.
Repair if necessary.
Check that there is a +12 V supply on track 5 of the headlights and track 1 of the rear lights and the number
plate when controlled by command AC003.
If everything is fine, replace the bulb or bulbs.
If there is a fault, check the insulation against earth and continuity of the connections:
UPC connector PPH2 track 6 Left rear light track 1
UPC connector PPH2 track 7 Track 1 right-hand rear light and number plate lights
UPC connector PPA track 1 Left headlight track 5
UPC connector PPA track 2 Right headlight track 5
Repair if necessary.
If the fault is still present, contact the Techline.

87G - 41
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
87G
V6 MR-372-J84-87G000$792_eng.mif
UPC
Vdiag No.: 44
With xenon lights AC003
(continued)
Check the status and connection of connectors PPA and PPH2 and the fuses on the UPC.
Repair if necessary.
Check the condition and connection of the headlights and rear lights.
Repair if necessary.
Check for the presence of earth on connection R9 then on tracks 4 and 10 of the headlights and on track 2
of the rear lights and the number plate lights.
Repair if necessary.
Check for the presence of +12 V supply on track 9 of the headlights and track 1 of the rear lights and the
number plate lights when controlled by command AC003.
If everything is fine, replace the bulb or bulbs.
If there is a problem, check the insulation against earth and continuity of the connections:
UPC connector PPH2 track 6 Left rear light track 1
UPC connector PPH2 track 7 Track 1 right-hand rear light and number plate lights
UPC connector PPA track 1 Left headlight track 9
UPC connector PPA track 2 Right headlight track 9
Repair if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.

87G - 42
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
87G
V6 MR-372-J84-87G000$792_eng.mif
UPC
Vdiag No.: 44
AC004
FRONT FOG LIGHTS
NOTESCheck:
–the condition and the connection of fuse 10,
–the condition of the bulbs.
Replace them, if necessary.
Check the condition and connection of connector PPA on the UPC.
Repair if necessary.
Check the condition and connection of the bulb connectors.
Repair if necessary.
Check the presence of earth on connection R9 and then on the bulb connectors.
Repair if necessary.
Check the presence of +12 V on the fog light connectors while controlled by command AC004.
If everything is correct, replace the bulb or bulbs.
Check the continuity and insulation of the following connections:
UPC connector PPA track 8 Track 1 of the left-hand front fog light connector
UPC connector PPA track 7 Track 1 of the right-hand front fog light
Repair if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.

87G - 52
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of commands
87G
V6 MR-372-J84-87G000$792_eng.mif
UPC
Vdiag No.: 44
AC012
WINDSCREEN WIPER PARK POSITION TEST
NOTESCommands AC005 Low-speed windscreen wiper and AC006 High-speed
windscreen wiper must operate for this command to be activated.
If this is not the case, refer to the interpretation of these commands.
This step must be applied if the windscreen wipers do not stop in their initial position.
Check the condition and the connection of connector PEH on the UPC.
Repair if necessary.
Check the condition and the connection of the windscreen wiper motor connector.
Repair if necessary.
Check the insulation and continuity of the connection between:
UPC connector PEH track 6 Track 2 of the wiper motor
Repair if necessary.
Check, using an indicator light placed between track 2 of the windscreen wiper motor + battery, that the lamp
lights up briefly at the end of the wiping cycle.
If not correct, replace the wiper motor.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.

87G - 56
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Fault Finding Chart (ALP)
87G
V6 MR-372-J84-87G000$924_eng.mif
UPC
Vdiag No.: 44
ALP 3 Various passenger compartment functions do not light up
NOTESThe side lights must not be faulty, if they are, refer to the interpretation of command
AC003 Side lights.
Check the condition and connection of the faulty function(s).
Repair if necessary.
Check for the presence of earth on the defective function(s).
Repair if necessary.
With the side lights on, check for the presence of a +12 V supply on the defective function or functions.
If it is in order, replace the defective component.
Check the insulation against earth and continuity between the defective function and the UPC:
Cigar lighters, air conditioning control panel, radio,
multifunction display, rear view mirror controls, front
and rear window riser commands and window riser
locking, door locking switch, instrument panel
command and in-situ control of headlights command.Track 6 of connector PPH2 on the UPC
Heated seat switches, rigid roof switches, petrol or
LPG selector switch, electronic stability program
switch, simultaneous window control, automatic
gearbox display and speed limiter / cruise control
commands.Track 7 connector PPH2 of the UPC
Repair if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any other possible faults.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.