8Electrical equipment
V7 MR-372-J84-87G050$TOC.mif
V7
87G
"The repair procedures given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
The procedures may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories from
which his vehicles are constructed."
V7
All rights reserved by Renault s.a.s.
Edition Anglaise
Copying or translating, in part or in full, of this document or use of the service part
reference numbering system is forbidden without the prior written authority of
Renault s.a.s.
© Renault s.a.s. 2008
ENGINE COMPARTMENT CONNECTION UNIT
UPC
Vdiag No.: 48, 4C
Fault finding - Introduction 87G - 2
Fault finding - System operation 87G - 8
Fault finding - Replacement of components 87G - 13
Fault finding - Configurations and programming 87G - 14
Fault finding - Fault summary table 87G - 15
Fault finding - Interpretation of faults 87G - 16
Fault finding - Conformity check 87G - 56
Fault finding - Status summary table 87G - 64
Fault finding - Interpretation of statuses 87G - 65
Fault finding - Parameter summary table 87G - 71
Fault finding - Interpretation of parameters 87G - 72
Fault finding - Command summary table 87G - 75
Fault finding - Interpretation of commands 87G - 76
Fault finding - Customer complaints 87G - 89
Fault finding - Fault finding charts 87G - 90
Fault finding - Tests 87G - 92
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Interpretation of faults87G
87G - 53V7 MR-372-J84-87G050$385.mif
UPC
Vdiag No.: 48, 4C
DF034
PRESENT
OR
STOREDALTERNATOR TYPE
1.DEF : Inconsistency
NOTESSpecial note:
After 10 minutes with the engine running, deal with fault DF007 UPC-alternator
connection first if it is present or stored.
Conditions for applying the fault finding procedure to stored faults:
The fault is declared present with the engine running.
Note the part number of the Protection and Switching Unit LC001, Configurations and programming.
Note the part number of the alternator (information found on the rear alternator face).
Contact the Techline.
AFTER REPAIRClear the computer fault memory, switch the + after ignition supply off and back on, and
run another check with the diagnostic tool.
USM_V48_DF034/USM_V4C_DF034
ENGINE COMPARTMENT CONNECTION UNIT
Fault finding - Fault finding charts87G
87G-91V7 MR-372-J84-87G050$880.mif
UPC
Vdiag No.: 48, 4C
ALP3No backlighting of the various functions in the passenger
compartment
NOTESMake sure that the side lights are working; if not, refer to the procedure for command
AC003 Side lights.
Use Wiring Diagrams Technical Note for Mégane II or Scénic II.
Check the condition and connection of the defective functions.
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 on the defective function(s).
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.
With the side lights on, check for 12 V on the defective function(s).
If correct, replace the defective component.
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 between the defective function
and the Protection and Switching Unit:
Right-hand headlight component code 226, rear right-hand
lights component code 172, right-hand and left-hand heated
seat control component codes 1513 and 1514, parking distance
control switch component code 1540, cruise control/speed
limiter control component code 1081, ESP on/off button
component code 1106, gear lever display component code
1129, hard roof switch component code 1482, simultaneous
window control component code 854, LPG or petrol selector
switch component code 1003, right-hand number plate light
component code 166.LPDConnector CN of the
Protection and Switching
Unit, component code
1337.
Left-hand rear light component code 173, left-hand headlight
component code 227, child safety switch component code 135,
CD changer component code 1272, radio component code
261, multifunction display component code 653, headlight
adjustment rheostat switch component code 1390, warning/door
locking switch component code 1391, first cigarette lighter
component code 101.LPGConnector CN of the
Protection and Switching
Unit, component code
1337.
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 the Techline.
AFTER REPAIRCheck that no fault is present.
USM_V48_ALP3 /USM_V4C_ALP3