fog light RENAULT SCENIC 2010 J95 / 3.G Engine Compartment Connection Unit Workshop Manual
[x] Cancel search | Manufacturer: RENAULT, Model Year: 2010, Model line: SCENIC, Model: RENAULT SCENIC 2010 J95 / 3.GPages: 56
Page 8 of 56
87G - 8
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - System operation
87G
V6 MR-372-J84-87G000$132_eng.mif
UPC
Vdiag No.: 44
Front wipers
The UPC receives the wiping requests from the UCH via the multiplex network.
The computer then controls the following requests:
–low or high speed windscreen wiper,
–windscreen wiper park position.
Lights
The UPC receives the lighting requests from the UCH via the multiplex network.
The computer then controls the following requests:
–side lights,
–dipped beam headlights,
–main beam headlights,
–front fog light.
Detecting the oil pressure
The UPC receives the signal from the oil pressure sensor and makes it available on the multiplex network.
2. UPC LEVELS
3 UPC levels can be fitted on vehicles:
–Entry level UPC,
–Top of the range UPC N2,
–Top of the range UPC N3.
Only the top of the range N2 and N3 UPCs are available as spare parts.
The N2 and N3 versions can be distinguished in the extent to which they control the high speed blower:
–on the N2, the UPC controls an external relay,
–on N3, the relay is integrated into the UPC.
Page 20 of 56
87G - 20
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check
87G
V6 MR-372-J84-87G000$528_eng.mif
UPC
Vdiag No.: 44
LIGHTING: Lighting power
NOTESOnly check conformity after a complete check using the diagnostic tool.
Test conditions: Engine stopped, ignition on.
Order FunctionParameter or Status
checked or Action Display and notes Fault finding
1LightingAC003:Side lightsThe front and rear side
lights and the number
plate lights as well as
the controls and
switches in the
passenger
compartment must
light up.
Refer to the relevant fault
finding procedure in the
event of a fault.
AC002:Dipped beam
headlightsThe dipped beam
headlights must come
on.
AC001:Main beam
headlightsThe main beam
headlights must come
on.
AC004:Front fog lightsThe front fog lights
must come on.
Page 25 of 56
87G - 25
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Conformity check
87G
V6 MR-372-J84-87G000$528_eng.mif
UPC
Vdiag No.: 44
LIGHTING: Lighting power
NOTESOnly check conformity after a complete check using the diagnostic tool.
Condition for carrying out the operation: the engine must be running.
Order FunctionParameter or Status
checked or Action Display and notes Fault finding
1LightingAC003:Side lightsThe front and rear side
lights and the number
plate lights as well as
the controls and
switches inside the
passenger
compartment must
light up.
Refer to the relevant fault
finding procedure in the
event of a fault.
AC002:Dipped beam
headlightsThe dipped beam
headlights must come
on.
AC001:Main beam
headlightsThe main beam
headlights must come
on.
AC004:Front fog lightsThe front fog lights
must come on.
Page 42 of 56
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.