2009 RENAULT SCENIC sensor

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-51V3 MR-372-J84-13B250$315.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF013
PRESENT
OR
STOREDSENSOR SUPPLY VOLTAGE No. 3
1.DEF : Sensor reference voltage too low
2.DEF : Sensor reference voltage too high
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present following a road test or after attempting to start the engine
several times.
Special notes:
If the fault is present:
–the EGR function is inhibited,
–the engine stops,
–the level 2 warning light is lit,
–the OBD warning light will come on after three consecutive driving cycles (starting
+ 5 seconds + switching off the ignition and waiting 1 minute).
Use bornier Ele. 1681 or Ele. 1590 for any operation on the injection computer
connectors.
WARNING
This fault may appear if the wiring harness has been damaged.
Follow the procedure described in the Wiring Check in the Introduction.
This check enables the condition and the conformity of the engine wiring harness to be checked.
The sensors connected to supply no. 3 are:
–Rail pressure sensor.
–Air flow sensor..
To locate a faulty sensor and/or connection, disconnect one of these sensors then check whether the fault
becomes stored.
If the fault is still present, repeat the operation with the other sensors.
(Wait a few seconds after each disconnection so that the computer can carry out the check).
If the fault is stored after a disconnection, replace the faulty sensor or repair its connection.
Clear the faults created by the multiple disconnections.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V51_DF013

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-52V3 MR-372-J84-13B250$315.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF013
CONTINUED
If the fault is still present when both these sensors have been disconnected:
1. Check the earth insulation of the following connections:
Injection computer brown 48-track connector B, track G3 Track 2 of the rail pressure sensor
Injection computer 48-track brown connector B, track A4 Track 3 of the rail pressure sensor
Injection computer brown 48-track connector B, track G1 Track 5 of the air flowmeter
Injection computer 48-track brown connector B, track B4 Track 3 of the air flowmeter
Injection computer brown 48-track connector B, track E2 Track 2 of the air flow sensor
Repair if necessary.
2. Check the insulation from + 12 V of the following connections:
Injection computer brown connector B track G3 Track 2 of the rail pressure sensor
Injection computer brown connector B track A4 Track 3 of the rail pressure sensor
Injection computer brown connector B, track C4 Track 1 of the rail pressure sensor
Injection computer brown connector B track G1 Track 5 of the air flowmeter
Injection computer brown connector B track B4 Track 3 of the air flowmeter
Injection computer brown connector B track E2 Track 2 of the air flow sensor
Injection computer brown connector B track L4 Track 6 of the air flowmeter
Repair if necessary.
3. Check the insulation between the following connections after disconnecting the sensors and the
injection computer:
Tracks 1 and 3 of the rail pressure sensor and tracks 2 and 3 of the air flow sensor connector.
If these checks do not produce the correct results, replace the faulty sensor(s).
If the fault is still present, contact the Techline.
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-61V3 MR-372-J84-13B250$360.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51DIESEL INJECTION
Fault finding – Interpretation of faults
DF039
PRESENT
OR
STOREDINLET AIR TEMPERATURE SENSOR CIRCUIT
CO.1 : Short circuit or open circuit to + 12 V
CC.0 : Short circuit to earth
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after one attempt to start the engine, or with the engine
running.
Special notes:
If the fault is present:
–the air temperature value enters defect mode, i.e. PR059 Inlet air temperature =
20˚C.
–the EGR function is inhibited,
–the level 2 warning light is lit.
Use bornier Ele. 1681 or Ele. 1590 for any operation on the injection computer
connectors.
CO.1
NOTESNone
Check the air flowmeter connections.
Check the injection computer connections.
Repair if necessary.
Check the continuity of the following connection:
Injection supply relay mounting Track 5 track 4 air flow sensor connector
Repair if necessary.
Check the continuity and insulation against + 12 V of the following connections:
Injection computer brown 48-track connector B,
track G2Track 1 air flowmeter connector
Injection computer brown 48-track connector B, track E2 Track 2 air flowmeter connector
Injection computer brown 48-track connector B, track B4 Track 3 air flowmeter connector
Injection computer brown 48-track connector B, track L4 Track 6 air flow sensor connector
Repair if necessary.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V51_DF039

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-62V3 MR-372-J84-13B250$360.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF039
CONTINUED
Measure the air temperature sensor resistance between tracks 1 and 2 of the air flow sensor.
Replace the air flowmeter if the resistance displayed is not:
3714 ± 161 Ω at 10˚C
2448 ± 96 Ω at 20˚C
1671 ± 59 Ω at 30˚C
CC.0
NOTESNone
Check the air flowmeter connections.
Check the injection computer connections.
Repair if necessary.
Check the continuity and insulation against earth of the connection between:
Injection computer brown 48-track connector B, track G2 Track 1 air flowmeter connector
Injection computer brown 48-track connector B, track E2 Track 2 air flowmeter connector
Injection computer brown 48-track connector B, track B4 Track 3 air flowmeter connector
Injection supply relay mounting Track 5 track 4 air flow sensor connector
Repair if necessary.
Measure the air temperature sensor resistance between tracks 1 and 2 of the air flow sensor.
Replace the air flowmeter if the resistance is not approximately:
3714 ± 161 Ω at 10˚C
2448 ± 96 Ω at 20˚C
1671 ± 59 Ω at 30˚C
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-73V3 MR-372-J84-13B250$360.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF049
PRESENT
OR
STOREDREFRIGERANT SENSOR CIRCUIT
CC.1 : Short circuit to + 12 V
CO.0 : Open circuit or short circuit to earth
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present following a road test, or if the air conditioning is
switched on.
Special notes:
If the fault is present, air conditioning is not authorised.
Use bornier Ele. 1681 or Ele. 1590 for any operation on the injection computer
connectors.
CC.1
NOTESNone
Check the refrigerant pressure sensor connectors.
Check the injection computer connections.
Repair if necessary.
Check that the configuration reading LC009 Air conditioning is WITH.
If LC009 is WITHOUT, run command RZ005 Programming to reinitialise the vehicle configurations.
If necessary, operate the air conditioning to reconfigure the computer to WITH.
Connect an air conditioning filling station (equipped with a high pressure gauge) to the vehicle.
Display parameter PR037 Refrigerant pressure and compare the value displayed by the filling station.
If the values match, run fault finding on the air conditioning (see 62A, Air conditioning).
If the values do not match, check the continuity and insulation against + 12 V of the following connections:
Injection computer brown 48-track connector B, track F1 Track C refrigerant sensor connector
Injection computer brown 48-track connector B, track F3 Track B refrigerant sensor connector
Injection computer grey 32-track connector C, track C3 Track A refrigerant sensor connector
Repair if necessary.
If the fault is still present, replace the refrigerant pressure sensor.
AFTER REPAIRDeal with any faults.
Carry out a road test followed by another check with the diagnostic tool.
EDC16_V51_DF049

DIESEL INJECTION
Fault finding – Interpretation of faults13B
13B-74V3 MR-372-J84-13B250$360.mif
EDC16
PROGRAM No.: C1
Vdiag No.: 51
DF049
CONTINUED
CO.0
NOTESNone
Check the refrigerant pressure sensor connectors.
Check the injection computer connections.
Repair if necessary.
Check that the configuration reading LC009 Air conditioning is WITH.
If LC009 is WITHOUT, run command RZ005 Programming to reinitialise the vehicle configurations.
If necessary, operate the air conditioning to reconfigure the computer to WITH.
Connect an air conditioning filling station (equipped with a high pressure gauge) to the vehicle.
Display parameter PR037 Refrigerant pressure and compare the value displayed by the filling station.
If the values match, carry out a fault finding procedure as described in the fault finding note for that vehicle.
If the values do not match, check the continuity and insulation against earth of the following connections:
Injection computer brown 48-track connector B, track F1 Track C refrigerant sensor connector
Injection computer brown 48-track connector B, track F3 Track B refrigerant sensor connector
Repair if necessary.
If the fault is still present, replace the refrigerant pressure sensor.
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-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.