ECO mode RENAULT SCENIC 2011 J95 / 3.G Engine And Peripherals EDC16 Injection Workshop Manual

13B - 2
DIESEL INJECTION
Fault finding - Introduction13B
V10 MR-372-J84-13B150$047.mif
113B
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4CDIESEL INJECTION
Fault finding - Introduction
1. SCOPE OF THIS DOCUMENT
This document presents the fault finding procedure applicable to all computers with the following specifications:
2. PREREQUISITES FOR FAULT FINDING
Documentation type
Fault finding procedures (this manual):
– Assisted fault finding (integrated into the diagnostic tool), Dialogys.
Wiring diagrams:
– Visu-Schéma (CD-ROM), paper.
Type of diagnostic tools
–CLIP
Special tooling required
3. RECAP
Procedure
To save energy, the UCH of the vehicle interrupts the + after ignition feed after 3 minutes.
To carry out fault finding on the vehicle's computers, switch the ignition to fault finding mode (forced + after ignition).
Proceed as follows:
– with the vehicle card in the card reader,
– press and hold start button (longer than 5 seconds) with start-up conditions not fulfilled,
– connect the diagnostic tool and perform the required operations.
To cut off + after ignition, proceed as follows:
– disconnect the diagnostic tool,
– vehicle card in reader,
– press the Start button twice briefly (less than 3 seconds),
– Check that the + after ignition feed has been cut off by checking that the computer warning lights on the
instrument panel have gone out. Vehicle(s): Mégane II, Scénic II
Engine type and suffix: F9Q 800, 808, 812
Function concerned: Diesel injectionComputer name: Diesel injection
Program no.: C1
VDIAG No.: 44, 48 and 4C
Special tooling required
Multimeter
Elé. 1590Computer connection unit
Elé. 1681Universal unit
Note:
The left-hand and right-hand xenon bulb computers are powered when the dipped headlights are lit. Fault finding
procedures can only be carried out on them after the ignition has been switched on in fault finding mode (forced +
after ignition) and the dipped headlights are lit.
EDC16_V44_PRELI/EDC16_V4C_PRELI/EDC16_V48_PRELI
MR-372-J84-13B150$047.mif

13B - 14
DIESEL INJECTION
Fault finding - System operation13B
V10 MR-372-J84-13B150$094.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
c) Warning light management
Instrument panel display
The computer manages the data display on the instrument panel relating to engine operation. This involves
5 functions:
– the OBD warning light (European On Board Diagnostic),
– pre/postheating warning light,
– the coolant temperature warning light,
– the fault level 1 warning light (non-critical fault),
– the fault level 2 warning light (stop immediately).
These five functions are represented by 3 warning lights or messages sent by the trip computer.
Pre/postheating indicator light
This warning light is used both as an in operation indicator light and as a system fault indicator:
– continuously lit under + after ignition feed: indicates that the heater plugs are operating,
– continuously lit with injection faulty: indicates a level 1 fault (involves injection system operating in defect
mode. The user must carry out repairs as soon as possible).
Temperature/emergency stop warning light
This indicator light is used both as an in-operation indicator light and as a system fault warning light. It lights up for
3 seconds after the ignition is switched on (automatic test procedure managed by the instrument panel).
– continuously lit: indicates engine overheating (the driver remains free to stop the vehicle or not),
– continuously lit, with the Engine stop message: indicates a level 2 fault (In this case injection is
automatically shut off after a few seconds).
Excess pollution OBD orange warning light
An engine symbol lights up for approximately 3 seconds when the engine is switched on.
For the Vdiag 44 and 48, it only lights up when the engine is running.
In Vdiag 4C, this warning light comes on if the system has one or more OBD faults.

13B - 20
DIESEL INJECTION
Fault finding - Replacement of components13B
V10 MR-372-J84-13B150$188.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4CDIESEL INJECTION
Fault finding - Replacement of components
COMPUTER REPLACEMENT OR REPROGRAMMING OPERATIONS
The system can be programmed or reprogrammed via the diagnostic socket using the RENAULT CLIP diagnostic
tool (see Technical Note 3585A).
While the computer is being reprogrammed the engine fan assemblies are automatically triggered).
Operations to be carried out before reprogramming the injection computer:
Before reprogramming the injection computer, move the main Cruise control/Speed limiter switch to the rest position.
The information about the cruise control or the speed limiter displayed on the instrument panel disappears.
Otherwise, if the main switch remains in the cruise control or speed limiter position during and after reprogramming,
the Cruise control/Speed limiter function will not be operational.
To reset the function, proceed as follows:
Vehicle ignition on.
– Position the main switch in rest position (the computer then detects the rest position).
– Position the switch in Cruise control position to activate the Cruise control function.
– Position the switch in Speed limiter position to activate the Speed Limiter function.
Before reprogramming or replacing the computer in After-Sales operations, backup the following data to the
diagnostic tool:
– The IMA codes (individual correction of the injector).
– The engine adaptives (engine speed, and options available on the vehicle).
(this file corresponds to the last save carried out on the tool)
select YES,
When the backup is complete, replace the computer or reprogram, then proceed to the next step,
with command SC003 Backup computer data. IMPORTANT
–Switch on the diagnostic tool (mains or cigarette lighter feed).
–Connect a battery charger.
–Switch off all electrical consumers (lights, interior lights, air conditioning, radio/CD, etc.).
–Wait for the engine to cool (engine coolant temperature below 60 °C and air temperature below 50 °C).
WARNING
A computer without the IMA option can be replaced by a computer with this option. The codes have
therefore not been backed up during command SC003.
In this case, status ET104 "Injector code use" becomes "YES" or "FAULTY", fault DF276 "Injector code
programming" is present, and the engine operates in defect mode.
In this case, run command SC002 Enter injector codes, applying the procedure described in the
interpretation of this command.
MR-372-J84-13B150$188.mif

13B - 22
DIESEL INJECTION
Fault finding - Replacement of components13B
V10 MR-372-J84-13B150$188.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
REPLACING THE INJECTORS
When one or more injectors are replaced, the IMA parameters of the injector output concerned must be modified.
The system can be configured with the diagnostic socket using the RENAULT CLIP diagnostic tool.
To do this, display the IMA code(s) etched on the injector bodies, and enter the codes into the computer using
command SC002 Enter injector codes, and follow the instructions given by the diagnostic tool.
REPLACING THE EXHAUST GAS RECIRCULATION VALVE
When replacing the exhaust gas recirculation valve, enter the operational values of the new valve into the computer.
After replacing the exhaust gas recirculation valve, select Clear mode on the diagnostic tool.
Run command RZ002 EGR adaptives.
When the command is completed, switch off the ignition and exit fault finding mode.
–wait 30 seconds, and switch on the ignition again,
– clear any faults,
– start the engine,
– let the engine idle for 1 min, accelerate to 2500 rpm for 5 s, and return to idle speed,
– repeat this procedure 5 times.
Check the faults:
If the fault does not recur, end of fault finding procedure.
If the fault recurs, restart the procedure after disconnecting and reconnecting the valve.
If the fault is still present, replace the EGR valve. Note:
The IMA coding (individual injector correction) is a calibration made in production on each injector to adjust
the flow accurately.
These correction values are etched on the Bakelite body of each injector (6 alphanumeric characters) and then
entered into the computer which then controls each injector taking into account their manufacturing variation.
IMPORTANT
When the command is complete, switch off the ignition and exit fault finding mode.
Wait 30 seconds.
Return to fault finding mode.
Select the Identify computer function from the main screen.
Check that the injector codes entered into the computer correspond to those on the injector bodies.
If the codes do not match, restart the command SC002 Enter injector codes procedure.
Then check the system faults, and clear any stored faults.
If the computer does not have any faults, the operation is complete.
If there are faults, deal with the present faults.

13B-174
DIESEL INJECTION
Fault finding - Interpretation of statuses13B
V10 MR-372-J84-13B150$564.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
ET415
(CONTINUED 4)
STATUS 8Automatic gearbox in defect mode.
Status ET415 becomes STATUS 8, when driving with cruise control active (ET042:
Cruise control/speed limiter: CRUISE CONTROL) and if the automatic transmission
is in defect mode.
This signal is conveyed on the multiplex line and deactivates the cruise control.
Carry out a multiplex network test, then run fault finding on the automatic transmission
computer.
Deal with the present or stored faults (see 23A, Automatic transmission,
Interpretation of faults).
Clear the automatic transmission computer memory by running command RZ001 Fault
memory or RZ007 Fault memory.
Reinitialise ET415 of the injection computer by running command RZ001 Fault
memory or RZ007 Fault memory.
If STATUS 8 remains, contact Techline.
STATUS 9Vehicle speed monitoring
Status ET415 changes to STATUS 9 if the vehicle speed received by the computer is
invalid or absent.
This signal is conveyed on the multiplex line and deactivates the cruise control.
Carry out a multiplex network test, then run fault finding on the ABS computer.
Deal with any present or stored faults (see 38C, Anti-lock braking system,
interpretation of faults).
Reinitialise ET415 of the injection computer by running command RZ001 Fault
memory or RZ007 Fault memory.
If STATUS 9 remains, contact the Techline.
AFTER REPAIRDeal with any other faults. Clear the fault memory.
Switch off the ignition and carry out a road test followed by a test with the diagnostic
tool.

13B - 190
DIESEL INJECTION
Fault finding - Interpretation of commands13B
V10 MR-372-J84-13B150$752.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
SC002
ENTER INJECTOR CODES
NOTESThis command is carried out after the replacement of the injectors, and only if the
vehicle is configured with IMA (ET104 Injector code use YES).
If this command is not run, the fault DF276 Injector code programming will be
present.
IMPORTANT
Letters Q and J, and figures 0 and 9 are not used in IMA codification.
If these characters are used the entry will be invalid.
Cylinder no. 1 is the cylinder located at the engine flywheel end.
Procedure to be followed:
– Read the 6-character alphanumeric codes etched on the upper section of the injector bodies.
– Select the cylinder number for the cylinder concerned in the Desired column, then confirm.
– Enter the injector code displayed for the cylinder.
– Enter the new codes for each cylinder, then confirm.
– When the command is completed, the modified codes appear in the Current column.
– Check that the codes correspond to those read earlier.
– If the codes entered appear in neither the Current column nor the Desired column, check the codes read and
make sure the data has been entered correctly.
– Exit fault finding mode.
– Switch off the ignition and wait 30 seconds.
– Switch the ignition back on and check for faults.
–The DF276 Injector code programming should be stored.
If the fault is still present, the command has not been run correctly.
Start the procedure again and follow the instructions.
Switch off the ignition.
If all these checks still do not enable the command to be confirmed, contact the Techline.
AFTER REPAIRRestart the conformity check from the beginning.
EDC16_V44_SC002/EDC16_V48_SC002/EDC16_V4C_SC002

13B - 192
DIESEL INJECTION
Fault finding - Interpretation of commands13B
V10 MR-372-J84-13B150$752.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
RZ002
EGR ADAPTIVES
NOTESThis command is only performed after the exhaust gas recirculation valve has been
replaced.
Deal with all faults which do not involve the exhaust gas recirculation valve before
programming the valve.
After replacing the exhaust gas recirculation valve, clear the valve offsets from the memory.
Procedure to be followed after replacing the exhaust gas recirculation valve:
– Switch on the ignition.
– Run command RZ002.
– Once the command has terminated, check that the following parameters and statuses correctly indicate the
statuses below:
–PR128 EGR valve first offset = 0 %
–PR129 EGR valve last offset= 0 %
–PR088 EGR valve position feedback= 0 %
– When the command has finished, switch off the ignition and exit fault finding mode.
–Wait 30 seconds, and switch on the ignition again.
– Switch off the ignition again and wait 30 seconds.
– Refer to the following parameters again:
– PR128 EGR valve first offset: 15 % < X < 30 %
– PR129 EGR valve last offset: 15 % < X < 40 %
– If the parameters are not correct, refer to the interpretation of DF272 EGR valve control circuit
–Otherwise
– Start the engine.
– Let the engine idle for 1min, accelerate to 2,500 rpm for 5 seconds and return to idle speed.
– Repeat this procedure 5 times.
Check the faults.
If the fault does not recur, end the fault finding procedure.
If the fault recurs, restart the procedure after disconnecting and reconnecting the valve.
If the fault is still present, replace the EGR valve.
AFTER REPAIRRestart the conformity check from the beginning.
EDC16_V44_RZ002/EDC16_V48_RZ002/EDC16_V4C_RZ002

13B-231
MR-372-J84-13B150$893.mif
V10
13B
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4CDIESEL INJECTION
Fault finding - Tests
Part 1. Overpressure valve return flow test:
TEST6 Incorrect operation of the overpressure valve
Is the engine working?
–Fit Mot. 1760 as shown in the tool fitting procedure (see part 2).
– Press the Start button (with card).
– Measure the length travelled by the diesel fuel in the pipes of the
Mot. 1760.
– Replace the overpressure valve if the diesel length travelled is greater
than 10 cm.
– The overpressure valve return pipe must be fitted to the injector rail.
– Start the engine.
– Set the CLIP diagnostic tool to parameter reading mode.
– Raise the temperature of the engine.
– Display parameter PR063 Fuel temperature. Increase the diesel temperature to above 50°C.
– Switch off the engine.
–Fit Mot. 1760 as shown in the tool fitting procedure (see part 2).
– Display parameter PR038 Rail pressure.
– Ask another Cotech to monitor the rise in fuel in the container during engine turnover, as the container will fill up
quickly if the overpressure valve is leaking.
– Start the engine.
– Accelerate the engine until the pressure in the rail is 550 bar:
– if the engine speed is less than 3000 rpm, maintain this pressure,
– if the engine speed is greater than 3000 rpm, reduce the engine speed until the rail pressure is 500 bar
and maintain this pressure.
– Maintain these conditions for 1 min.
– Release the accelerator pedal and maintain the idle speed for 10 seconds.
– Switch off the engine.
– Measure the length of diesel contained in the measuring cylinder.
– Replace the injector rail if the quantity of diesel fuel is greater than 5ml.
– Remove Mot. 1760 as shown in the tool removal procedure (see part 3).
NO
YES
EDC16_V44_TEST6 / EDC16_V48_TEST6 / EDC16_V4C_TEST6