Page 5 of 63

83A-5
MR-372-J84-83A000$063.mif
V8
TDB ph2 (EG/MG)
Prog version: 04xx
Vdiag No.: 08, 0CINSTRUMENT PANEL
Fault finding - Introduction83A
4. FAULT FINDING PROCEDURE (CONTINUED)
Wiring check
Fault finding problems
Disconnecting the connectors and/or manipulating the wiring may temporarily remove the cause of a fault.
Electrical measurements of voltage, resistance and insulation are generally correct, especially if the fault is not
present when the analysis is made (stored fault).
Visual inspection
Look for damage under the bonnet and in the passenger compartment.
Carefully check the fuses, insulators and wiring harness routing.
Look for signs of oxidation.
Physical inspection
While manipulating the wiring, use the diagnostic tool to note any change in fault status from stored to present.
Make sure that the connectors are properly locked.
Apply light pressure to the connectors.
Twist the wiring harness.
If there is a change in status, try to locate the source of the fault.
Inspection of each component
Disconnect the connectors and check the appearance of the clips and tabs, as well as the crimping (no crimping on
the insulating section).
Make sure that the clips and tabs are properly locked in the sockets.
Check that no clips or tabs have been dislodged during connection.
Check the clip contact pressure using an appropriate model of tab.
Resistance check
Check the continuity of entire lines, then section by section.
Look for a short circuit to earth, to + 12 V or to another wire.
If a fault is detected, repair or replace the wiring harness.
Page 7 of 63

83A-7
MR-372-J84-83A000$126.mif
V8
83A
INSTRUMENT PANEL
Fault finding - System operation
Instrument panel functions (entry level and mid-range versions):
The instrument panel allows:
–display by needle gauge of the following information:
–Vehicle speed
–Rev counter
–Fuel gauge
–Engine coolant temperature
–Management of 20 warning/indicator lights
–Alphanumeric display of the following information:
–Total and trip mileage
–Oil level
–Messages (68 messages)
–Keyless vehicle messages
–Warning messages
–Management of a multifunction buzzer:
The buzzer is used for the following functions:
–Indicating the operation of the direction indicators.
–Signalling that the lights have been left on.
–Indicating that the driver's or passenger's seat belts are not fastened when driving.
–Indicating that a door or the tailgate is not correctly closed.
–Signalling that the handbrake is on.
–Indicating the low fuel warning.
–Indicating that a speed has been exceeded, for Arabian versions, where an overspeed warning
is legally required.
–Indicating to the driver that the automatic locking when driving has been activated/deactivated.
The following buzzers can sound:
–Side lights on
–Direction indicators
–Management and trip computer display:
–Trip meter
–Fuel consumed
–Average fuel consumption
–Instantaneous fuel consumption
–Fuel range in kilometres and miles
–Distance travelled in kilometres and miles
–Average speed
–Oil service interval in kilometres
–Oil service interval in time
–Programmed speed (if the cruise control and speed limiter feature is present).
–Instrument panel dimmer: when the lights are on, the brightness of the instrument panel can be adjusted
using a button located on the instrument panel.
–In the event that the childproof lock system is not working, the buzzer will sound and a warning message
will appear on the instrument panel.
In vdiag 08 (with program version 040B) and vdiag 0C, the instrument panel can manage a personalised oil service
interval (known as the OCS) by detecting premature oil wear (depending on the engine). If the engine has this oil
wear detection management function, the oil service interval will initially be increased. The oil service interval could
however decrease more quickly if a “severe” type of driving (urban driving, diving in traffic jams, etc.) is detected by
the injection computer. The instrument panel will display a message to request that an oil service be performed
quickly, without necessarily displaying a warning message beforehand.
TDB ph2 (EG/MG)
Prog Version: 04xx
Vdiag No.: 08, 0C
MR-372-J84-83A000$126.mif
Page 9 of 63

83A-9
MR-372-J84-83A000$252.mif
V8
83A
INSTRUMENT PANEL
Fault finding - Configurations and programming
1. CONFIGURATIONS:
WARNING
Run a configuration read to ensure that the new configuration values are used by the system.
LC no. CF no. Configuration Note:
LC001 CF018Reserve capacityAllows the instrument panel to be
configured for switching the indicator
light on.
LC005 CF034 Body type
LC006 CF035Tank capacity
LC007 CF036Key/Card
LC008 CF037 Clock
LC011 CF038 Dimmer present
LC029 CF149 Gearbox typeIf the vehicle has an automatic or sequential
gearbox, check that the instrument panel
shows the gear selected.
If the vehicle is not equipped with an
automatic or sequential gearbox, check that
there is no "Check gearbox" message (this
message indicates the absence of the
automatic gearbox frames if the instrument
panel has been configured for an automatic or
sequential gearbox).
LC030 Vehicle typeValue defined by default: Mégane II
TDB ph2 (EG/MG)
Prog Version: 04xx
Vdiag No.: 08, 0C
MR-372-J84-83A000$252.mif
Page 35 of 63
83A-35
MR-372-J84-83A000$693.mif
V8
INSTRUMENT PANEL
Fault finding - Interpretation of parameters83A
TDB ph2 (EG/MG)
Prog Version: 04xx
Vdiag No.: 08, 0C
PR099
VEHICLE SPEED
NOTESCarry out a road test and check the consistency of the instrument panel display.
In the event of inconsistency, consult the interpretation of command AC008 Instrument panel needles.
If not, test the multiplex network and the anti-lock braking system (see 88B Multiplexing and 38C Anti-lock
braking system).
AFTER REPAIRCarry out another fault finding check on the system.
Deal with any other faults.
Clear the stored faults.
TDB_V08_PR099 /TDB_V0C_PR099
Page 55 of 63

83A-55
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V8 MR-372-J84-83A000$945.mif
INSTRUMENT PANEL
Fault finding - Fault finding chart83A
TDB ph2 (EG/MG)
Prog version: 04xx
Vdiag No.: 08, 0C
ALP 4 Display jammed when driving (not mechanical)
NOTESOnly consult this customer complaint after a full check with the diagnostic tool.
For economical driving, the blocks on the display may remain illuminated or the needle
may remain jammed up to 120 miles (200 kms).
Check that there is no mechanical jamming.
If the fault is on the block at the top of the display or the needle is jammed at full:
check that the customer has travelled a sufficient amount of Km (miles) for the block at the top of the display to
go out or for the needle to move from the full section.
Check that the customer has not exceeded 3 filler cut-outs when filling the tank with fuel.
If the fault is still present or if the needle or the display is jammed in any position other than full, contact the Techline.
TDB_V08_ALP4/TDB_V0C_ALP4