2009 RENAULT SCENIC fuel

DIESEL INJECTION
Fault finding – Fault summary table13B
13B-28V3 MR-372-J84-13B250$270.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
Tool
faultDIAGNOSTIC
TOOL
DESCRIPTIONAssociated
DTCLEVEL 1 FAULT
WARNING
LIGHT (Orange
heater plugs On
indicator light)LEVEL 2 FAULT
WARNING
LIGHT (Red
overheating
warning light)NO
FAULT
WARNING
LIGHT ONOBD
WARNING
LIGHT ON
DF055Turbocharging
pressure
regulation circuit243 1.DEF/2.DEF ... ... ..
DF056Air flow sensor
circuit100CO.0/CC.1/
1.DEF/2.DEF... ...CO.0/CC.1/
1.DEF/
2.DEF
DF057Water in diesel
fuel detector
circuit2264 ... ... X ...
DF059Misfiring on
cylinder 1301 ... ... X ...
DF060Misfiring on
cylinder 2302 ... ... X ...
DF061Misfiring on
cylinder 3303 ... ... X ...
DF062Misfiring on
cylinder 4304 ... ... X ...
DF069Impact detected
signal1620 ... 1.DEF ... ...
DF070Clutch switch
circuit830 ... ...1.DEF/
2.DEF...
DF086Coolant pump
relay control
circuit2600 CO.0/CC.1 ... ... ...
DF091Vehicle speed
signal500 ... ...1.DEF/
2.DEF
3.DEF/
4.DEF ...
DF097Camshaft sensor
circuit340 1.DEF/2.DEF ... ... ...
DF118EGR solenoid
valve servo-
control409 2.DEF ... 1.DEF ...
DF195Camshaft/engine
speed sensor
consistency16 1.DEF ... ... ...
DF209EGR valve
position sensor
circuit486 ... ...CO.0/
CC.1/
1.DEFCO.0/CC.1/
1.DEF

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-38V3 MR-372-J84-13B250$315.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF007
CONTINUED 2
1.DEF
NOTESNone
Check the rail pressure sensor connectors.
Check the injection computer connections.
Repair if necessary.
Check for continuity and absence of interference resistance of the following connections:
Injection computer brown 48-track connector B
track G3Track 2 rail pressure sensor
Injection computer brown 48-track connector B,
track A4Track 3 rail pressure sensor
Injection computer brown 48-track connector B,
track C4Track 1 rail pressure sensor
Repair if necessary.
With the ignition on, and engine switched off for over 1 minute:
Display the parameter PR038 Rail pressure in the Fuel circuit, Engine control function tab,
–If the value is below 50 bar, the sensor is in order.
In this case, contact the Techline.
–If the pressure is above 50 bar, replace the rail pressure sensor and tighten to 35 ± 5 Nm.
Follow the recommended safety advice (see cleanliness advice).
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-78V3 MR-372-J84-13B250$360.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF053
PRESENT
OR
STORED
RAIL PRESSURE REGULATION FUNCTION
CC.1 : Short circuit to + 12 V
CC.0 : Short circuit to earth
CO : Open circuit
1.DEF : Internal electronic fault
2.DEF : Measured pressure too low
3.DEF : Measured pressure too high
4.DEF : Insufficient pressure
5.DEF : Pressure < minimum
6.DEF : Pressure > maximum
7.DEF : Extensive pump command
8.DEF : Above maximum threshold.
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after:
–the engine is started,
–a road test,
–an actuator command AC011 Rail pressure regulator.
Special notes:
If the fault is present:
–It is not possible to start the engine.
–engine stops if already started,
–if 3.DEF is present, the level 1 warning light is lit,
–if one of the other faults is present, the level 2 warning light comes on.
Use bornier Ele. 1681 or Ele. 1590 for any operation on the injection computer
connectors.
CC.1
NOTESNone
Check the rail pressure regulator connectors.
Check the injection computer connections.
Check the low-pressure circuit: run Test 2 Low-pressure circuit check.
Check the conformity of the fuel used by applying test 10 Diesel fuel conformity check.
Check the injector return flow, run test 8 Poor injector operation.
Check the operation of the overpressure valve if fitted to the vehicle, run test 11 Incorrect operation of the
overpressure valve.
Repair if necessary.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V51_DF053

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-79V3 MR-372-J84-13B250$360.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF053
CONTINUED 1
CC.0
CO
NOTESNone
Measure the resistance of the rail pressure regulator between tracks 1 and 2.
If the resistance is not 3 ± 1 Ω at 20˚C, replace the injection pump.
Check the continuity and insulation from the + 12 V feed of the following connection:
Injection computer brown 48-track
connector B, track M4Track 2 of the rail pressure regulator (fuel flow actuator)
Check the rail pressure sensor using the interpretation of DF007 Rail pressure sensor circuit.
If the fault is still present, replace the injection pump.
Check the rail pressure regulator connectors.
Check the injection computer connections.
Check the low pressure circuit by applying test 2 Low pressure circuit check.
Check the conformity of the fuel used by applying test 10 Diesel fuel conformity check.
Check the injector return flow, run test 8 Poor injector operation.
Check the operation of the overpressure valve if fitted to the vehicle, run test 11 Incorrect operation of the
overpressure valve.
Repair if necessary.
Measure the resistance of the rail pressure regulator between tracks 1 and 2.
If the resistance is not 3 ± 1 Ω at 20˚C, replace the injection pump.
Check the continuity, and insulation from earth of the following connection:
Injection computer brown 48-track
connector B, track M4Track 2 of the rail pressure regulator (fuel flow actuator)
With the ignition on, check for + 12 V after relay on track 1 of the rail pressure regulator.
If there is not + 12 V on track 1, check the continuity and absence of interference resistance of the following
connection:
Rail pressure regulator track 1Injection supply relay mounting track 5
Repair if necessary.
Check the rail pressure sensor using the interpretation of DF007 Rail pressure sensor circuit.
If the fault is still present, replace the injection pump.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-80V3 MR-372-J84-13B250$360.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF053
CONTINUED 2
1.DEF
NOTESNone
Ch eck the rail pressure regulator connectors.
Ch eck the in jection computer connections.
Ch eck the lo w p ressu re circu it b y runningtest 2Low pressure circuit check.
Ch eck the conformityof the fuel used by applyingtest 10 Diesel f uel conformity check.
Ch eck the in jector return flow, runtest 8 Poor injector operation.
Ch eck theoperation of the overpressure valve if fitted to the vehicle, run test11 Incorrectopera tion of the
ov erpressure valve.
Re pair if n ecessa ry.
Measure theresistanceof the rail press u r e regulator betweentracks 1 and 2.
If the resistance is not3±1Ωat20˚C,replacetheinjection pump.
Ch eckthe continuity and absence of interference resistanceof the followingconnections:
Injection computer brown 48-track
connectorB,track M4Track 2 of the rail pressure regulator (fuel flow actuator)
Injection supply relay mountingtrack 5 track 1 of the rail pressure regulator (fuel flow actuator)
Re pair if n ecessa ry.
Ch eck the rail pressuresensor using the interpretation ofDF0 07 Rail pressure sensor circuit.
Re pair if n ecessa ry.
If the fault isstill present,check t hat thecomputeroutput is working correctly.
●Either using anammeter:
With the regulator connected, connect the current clamp to the regulator'strack 1connection,respecting t he
direction of the current.
Cle ar a ny rail pressure sensor faults and use commandAC011 Rail pressureregulator.
Th eammeter should display ten cycles of two successive currents:~0.6Athen~2A.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-81V3 MR-372-J84-13B250$360.mif
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16
PROGRAM No.: C1
Vdiag No.: 51
*Opening cyclic ratioDF053
CONTINUED 3
●Or usingavoltmeter:
With the regulator connected, connect the negative terminal of the voltmeter totrack 2of the rail pressure regulator
and thepositive terminal totrack 1.Clear any fuel pressure solenoid valve faults, then run commandAC011 Rail
pressure re gulator:
Thevoltmeter should display two successive voltage readings:
~3.15voltsfor an opening cycle ratio of 25% then~9.45Vfor an opening cycle ratio of 75% (ten cycles).
●Or using an oscillos cope(at 5 V range/division a nd 1 ms/div tim e base):
With the regulator connected, connect the negative terminal of the oscill oscope to the battery earth and the positive
terminal totrack 2of the fuel pressure solenoid valve, clear any r ail pressure regulator faults, and r un command
AC0 11 R ail pressure regulator:
theoscillo sco pe sh ould disp lay a square pulse signal with an a mplitude o f 1 2.5 V at a frequency of 1 85 Hz (with a n
OCR* alternating successively from 25 to 75%).
if the measurement does not show any control or continuous voltage, contact the techline.

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-82V3 MR-372-J84-13B250$360.mif
DF053
CONTINUED 4
2.DEF to
8.DEF
NOTESNone
Check the rail pressure regulator connectors.
Check the injection computer connections.
Check the low pressure circuit by running test 2 Low pressure circuit check.
Check the conformity of the fuel used by applying test 10 Diesel fuel conformity check.
Check the injector return flow, run test 8 Poor injector operation.
Check the operation of the overpressure valve if fitted to the vehicle, run test 11 Incorrect operation of the
overpressure valve.
Repair if necessary.
Measure the resistance of the pressure regulator between its tracks 1 and 2.
If the resistance is not 3 ± 1 Ω at 20˚C, replace the injection pump.
Check the continuity and for the absence of interference resistance on the following connections:
Injection computer brown 48-track
connector B, track M4Track 2 of the rail pressure regulator
Injection supply relay mounting track 5 track 1 of the rail pressure regulator
Repair if necessary.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16
PROGRAM No.: C1
Vdiag No.: 51

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-83V3 MR-372-J84-13B250$360.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF053
CONTINUED 5
In the event of rail overpressure:
Check the operation of the injectors: refer to test 8 Poor injector operation.
Check that the rail pressure sensor is operating correctly using command AC011 Rail pressure regulator. Display
parameter PR038 Rail pressure, and refer to the conformity check to check the operating values.
If these checks do not reveal any faults, and if the fault is still present, replace the injection pump.
in the event of rail underpressure:
Check that the rail pressure sensor is operating correctly using command AC011 Rail pressure regulator. Display
parameter PR038 Rail pressure, and refer to the conformity check to check the operating values.
Check the low pressure diesel circuit priming.
Check the conformity of the diesel filter connections.
Check the condition of the filter (clogging and water saturation).
Check that there are no air bubbles between the filter and the high pressure pump.
Check the low and high pressure diesel fuel circuit sealing (visual inspections, odour, etc.): pump housing,
pressure relief valve, pipes, rail and injector unions, injector wells, etc.
Check the operation of the injectors: refer to test 8 Poor injector operation.
Carry out the necessary operations.
If the fault is still present, replace the injection pump.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.