ESP RENAULT SCENIC 2012 J95 / 3.G Engine And Peripherals EDC16CP33 Workshop Manual
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Page 427 of 510
13B-427V12 MR-372-J84-13B300$150.mif
DIESEL INJECTION
Fault finding – Interpretation of commands13B
SC017PARTICLE FILTER REGENERATION
NOTESOnly run this command after interpretation of the following faults:
– DF308 Clogged particle filter,
– DF311 Failed regenerations limit exceeded,
– df312: speed request.
WARNING:
– It is essential to observe the health and safety guidelines (see MR364 (Mégane II ph2), MR370 (Scénic II ph2),
MR 395 (Laguna II ph2), 402 (Vel Satis ph2), 405 (Espace IV ph2) Mechanical, 19B, Exhaust, Particle
filter: Cleaning) and follow the procedure below.
SAFETY INSTRUCTIONS TO BE FOLLOWED:
The regeneration causes exhaust fumes and high temperatures.
It is strongly recommended that you put the vehicle outside during regeneration.
If it is not possible to carry out regeneration outside, use an extractor fan that can withstand the very high
regeneration temperatures (400°C at the exhaust outlet).
Perform regeneration on a surface free from fire risks (oil, dry leaves, etc.).
Nothing should be left in the vicinity of the exhaust pipe.
Check that there are no leaks or blockages in the exhaust pipe,
Repair if necessary.
WARNING:
Check the engine oil level before running the command to avoid any engine racing. The oil level must be
between the minimum level and the middle level on the oil dipstick.
Before performing a particle filter regeneration, it is essential to deactivate the air conditioning
compressor (risk of engine damage) and all the electrical consumers.
IF NECESSARY:
Regeneration can be stopped by pressing the engine start button twice briefly (less than 3 seconds).
Switch off the ignition and wait for the diagnostic tool message (maximum time 8 minutes) Communication
lost with computer: EDC16 C33, check the tool connection and the computer power supply before
switching the ignition back on.
EDC16CP33_V1C_SC017 / EDC16CP33_V54_SC017 / EDC16CP33_V20_SC017 / EDC16CP33_V58_SC017 / EDC16CP33_V5C_SC017 /
EDC16CP33_V24_SC017 / EDC16CP33_V28_SC017 / EDC16CP33_V62_SC017/ EDC16CP33_V26_SC017 / EDC16CP33_V60_SC017
EDC16CP33
Program No.: C4
Vdiag No.: 1C, 20, 24, 26,
28, 54, 58, 5C, 60, 62
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 435 of 510
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DIESEL INJECTION
Fault finding – Interpretation of commands13B
SC035
CONTINUED 2
Check 3:
–Apply Test 10.
–Apply Test 3.
– Replace the high pressure pump.
Check 4:
– Replace the high pressure pump.
Check 5:
– Check the injector return flow and the injectors.
– Check the pressure regulator on the rail by running command AC225.
– Consult the Repair Manual depending on the results of the various checks (from 1 to 5), (see MR 395 (Laguna
II ph2), MR 364 (Mégane II ph2), MR 370 (Scénic II ph2), MR 405 (Espace IV ph2), MR 402 (Vel Satis ph2),
Mechanical, 13B, Diesel injection, Injector rail, Removal - Refitting).
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 439 of 510
13B-439V12 MR-372-J84-13B300$150.mif
DIESEL INJECTION
Fault finding – Interpretation of commands13B
AC004TURBOCHARGING SOLENOID VALVE
NOTESPerform this fault finding procedure:
– following interpretation of an unresolved fault or,
– following application of the interpretation of PR041 Turbocharging pressure or
– after a customer complaint (loss of power, smoke etc.).
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
1. The following procedure is for checking that the turbocharger and its control circuit are working
properly.
Preliminary operation
Check the high pressure air circuit is sealed:
Apply Test 4 Turbocharged air inlet circuit check or Test 3 Low pressure circuit check.
Pipe not joined or pierced, pressure sensor disconnected or poorly fitted (seal present), exchanger pierced.
To test the exchanger: stabilise the engine speed between 3500 and 4000 rpm with the vehicle stopped and
check that there are no leaks.
Measure the resistance between connections3FB and 3MG of component1475.
If the resistance is not between 18 Ω and 22 Ω at + 23°C, replace the turbocharging solenoid valve.
Check the continuity of the following connection:
•3MG between the components 120 and 1475.
Check the + 12 V after relay supply of the turbocharging solenoid valve on the following connection:
•3FB of component 1475.
If the connection or 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.
EDC16CP33_V18_AC004 / EDC16CP33_V1C_AC004 / EDC16CP33_V54_AC004 / EDC16CP33_V20_AC004 / EDC16CP33_V58_AC004 /
EDC16CP33_V5C_AC004 / EDC16CP33_V24_AC004 / EDC16CP33_V04_AC004 / EDC16CP33_V08_AC004 / EDC16CP33_V44_AC004 /
EDC16CP33_V4C_AC004 / EDC16CP33_V34_AC004 / EDC16CP33_V38_AC004 / EDC16CP33_V74_AC004 / EDC16CP33_V28_AC004 /
EDC16CP33_V62_AC004 / EDC16CP33_V26_AC004 / EDC16CP33_V60_AC004
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 441 of 510
13B-441V12 MR-372-J84-13B300$150.mif
DIESEL INJECTION
Fault finding – Interpretation of commands13B
AC012DAMPER VALVE
NOTESCarry out this interpretation:
– after DF645 Damper valve position regulation, DF646 Damper valve position
sensor,
– or after a customer complaint (starting faults, poor performance).
Use the Wiring Diagram Technical Note, Laguna II ph2, Mégane ll, Scénic ll,
Espace IV ph2, Vel Satis ph2.
Measure the resistance between connections 38KQ and 38KP of component 1461.
If the resistance is not between 875 Ω and 1625 Ω replace the damper valve.
Check the continuity and absence of interference resistance of the following connections:
•38KQ between components 120 and 1461,
•38KP between components 120 and 1461.
If the connection or 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.
With the vehicle ignition on, and the engine stopped:
Make sure the damper flap is open,
If not, clean or replace the damper valve.
Actuate the valve using command AC012 and check the damper valve travel and rest position of the valve.
Check the operation of the computer output stage with a voltmeter in the alternating current position:
Actuate the valve with command AC012.
Connect the voltmeter earth lead to connection 38KS of component 1461 and the positive lead to connection
38KQ of component 1461.
The voltmeter should display three cycles of ON-OFF (12.5 V then return to 0V).
If the measurement is correct, replace the damper valve
If the measurement does not show any operation, contact the Techline.
EDC16CP33_V18_AC012 / EDC16CP33_V1C_AC012 / EDC16CP33_V54_AC012 / EDC16CP33_V20_AC012 / EDC16CP33_V58_AC012 /
EDC16CP33_V5C_AC012 / EDC16CP33_V24_AC012 / EDC16CP33_V04_AC012 / EDC16CP33_V08_AC012 / EDC16CP33_V44_AC012 /
EDC16CP33_V4C_AC012 / EDC16CP33_V34_AC012 / EDC16CP33_V38_AC012 / EDC16CP33_V74_AC012 / EDC16CP33_V28_AC012 /
EDC16CP33_V62_AC012 / EDC16CP33_V26_AC012 / EDC16CP33_V60_AC012
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 442 of 510
13B-442V12 MR-372-J84-13B300$150.mif
DIESEL INJECTION
Fault finding – Interpretation of commands13B
AC031THERMOPLUNGER No. 3 RELAY
NOTESCheck that the computer is correctly configured using command LC056
Thermoplungers
There must be no present or stored faults:
Perform this fault finding procedure if there is a fault with the passenger compartment
heating - demisting.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
If the Thermoplunger no. 3 relay or the additional heater interface unit does not function when command
AC031 is run.
Check the condition of the thermoplunger 3 relay mounting on the engine fuse box or the additional heater
interface unit (see Wiring Diagram Technical Note, Vehicle, component code 1069 or 1550).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Vehicle, component code 120).
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Electrical
wiring repair, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
if the fault is still present, check as follows that this relay is controlled by the engine management computer:
Disconnect the thermoplunger no. 3 relay and fit a 50 Ω to 100Ω resistor on its mounting instead of the coil and
connect a voltmeter as follows:
– positive terminal to + 12 V battery,
– negative terminal to connection 3JAB of component 1069 or 1550.
Run command AC031.
If the voltmeter indicates the battery voltage (4 ON-OFF cycles of 10 seconds), replace the thermoplunger no. 3
relay.
If the voltmeter does not show the battery voltage (4 ON-OFF cycles of 10 seconds), contact the Techline.
EDC16CP33_V18_AC031 / EDC16CP33_V1C_AC031 / EDC16CP33_V54_AC031 / EDC16CP33_V20_AC031 / EDC16CP33_V58_AC031 /
EDC16CP33_V5C_AC031 / EDC16CP33_V24_AC031 / EDC16CP33_V04_AC031 / EDC16CP33_V08_AC031 / EDC16CP33_V44_AC031 /
EDC16CP33_V4C_AC031 / EDC16CP33_V34_AC031 / EDC16CP33_V38_AC031 / EDC16CP33_V74_AC031 / EDC16CP33_V28_AC031 /
EDC16CP33_V62_AC031 / EDC16CP33_V26_AC031 / EDC16CP33_V60_AC031
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 444 of 510
13B-444V12 MR-372-J84-13B300$150.mif
DIESEL INJECTION
Fault finding – Interpretation of commands13B
AC037PREHEATING RELAY
NOTESThis command is only run if fault DF025 Preheating unit diagnostic connection or
DF017 Preheating unit control circuit is present or stored and if no other fault is
present.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
IMPORTANT:
– Please observe the cleanliness guidelines and safety advice.
– Make sure the correct type of plug is fitted on the vehicle, slow or fast:
Slow plugs have a black ring
Quick plugs have a white ring.
For Vdiag 20, 24, 34, 38 and 74, if replacing heater plugs by plugs of a different type
(see Replacement of components and Replacing heater plugs).
Before applying the following fault finding procedure, check that the battery voltage is not below 12 V. Otherwise,
recharge the battery.
STEP 1:
Using a multimeter fitted with a current clamp, bring together the 4 heater plug supply wires.
Run command AC037 and measure the current consumed by the 4 heater plugs.
If the value of the current consumed is not between 60 A and 80 A, move on to step 2, otherwise end of fault
finding.
EDC16CP33_V18_AC037 / EDC16CP33_V1C_AC037 / EDC16CP33_V54_AC037 / EDC16CP33_V20_AC037 / EDC16CP33_V58_AC037 /
EDC16CP33_V5C_AC037 / EDC16CP33_V24_AC037 / EDC16CP33_V04_AC037 / EDC16CP33_V08_AC037 / EDC16CP33_V44_AC037 /
EDC16CP33_V4C_AC037 / EDC16CP33_V34_AC037 / EDC16CP33_V38_AC037 / EDC16CP33_V74_AC037 / EDC16CP33_V28_AC037 /
EDC16CP33_V62_AC037 / EDC16CP33_V26_AC037 / EDC16CP33_V60_AC037
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 445 of 510
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DIESEL INJECTION
Fault finding – Interpretation of commands13B
AC037
CONTINUED
STEP 2:
Check the connections of the preheating unit, component code 257, the heater plugs, component codes 680, 681,
682 and 683 and the injection computer, component code 120.
Measure the resistance of the heater plugs. If the resistance value is > 2 Ω, replace the faulty plug or plugs,
making sure that the correct plug type, slow or fast, is fitted on the vehicle.
Check the continuity and absence of interference resistance of the following connections:
•37AB between components 257 and 683,
•37AA between components 257 and 680,
•37Z between components 257 and 681,
•37AC between components 257 and 682.
If the connection or 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.
Check the condition of the preheating unit supply fuse (70 A) (see MR 364 (Mégane II ph2), MR 370 (Scénic II
ph2), MR 395 (Laguna II ph2), 402 (Vel Satis ph2), 405 (Espace IV ph2) Mechanical, 81C, Fuses, Fuses: List
and location of components).
Check the + 12 V battery supply to the preheating unit on the following connection:
•BP35 of component 257.
Check the continuity and absence of interference resistance of the following connections:
•3FY between components120 and 257,
•3FF between components120 and 257.
If the connection or 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, replace the preheating unit.
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 446 of 510
13B-446V12 MR-372-J84-13B300$150.mif
DIESEL INJECTION
Fault finding – Interpretation of commands13B
AC063THERMOPLUNGER No. 1 RELAY
NOTESThere must be no present or stored faults:
Perform this fault finding procedure if there is a fault with the passenger compartment
heating - demisting.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
If the Thermoplunger no. 1 relay or the additional heater interface unit does not function when command
AC063 is run.
Check the condition of the thermoplunger no. 1 relay mounting connector on the engine fuse box (see Wiring
Diagram Technical Note, Vehicle, component code 1067 or 1550).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Vehicle, component code 120).
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
if the fault is still present, check as follows that this relay is controlled by the engine management computer:
Disconnect thermoplunger no. 1 relay, and fit a 50 Ω to 100 Ω resistor on the mounting instead of the coil and
connect a voltmeter as follows:
– positive terminal to + 12 V battery,
– negative terminal to connection 3JA of component 1067 or 1550.
Run command AC063.
If the voltmeter shows the battery voltage (4 ON-OFF cycles of 10 seconds), replace the thermoplunger no. 1
relay.
If the voltmeter does not show the battery voltage (4 ON-OFF cycles of 10 seconds), contact the Techline.
EDC16CP33_V18_AC063 / EDC16CP33_V1C_AC063 / EDC16CP33_V54_AC063 / EDC16CP33_V20_AC063 / EDC16CP33_V58_AC063 /
EDC16CP33_V5C_AC063 / EDC16CP33_V24_AC063 / EDC16CP33_V04_AC063 / EDC16CP33_V08_AC063 / EDC16CP33_V44_AC063 /
EDC16CP33_V4C_AC063 / EDC16CP33_V34_AC063 / EDC16CP33_V38_AC063 / EDC16CP33_V74_AC063 / EDC16CP33_V28_AC063 /
EDC16CP33_V62_AC063 / EDC16CP33_V26_AC063 / EDC16CP33_V60_AC063
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 448 of 510
13B-448V12 MR-372-J84-13B300$150.mif
DIESEL INJECTION
Fault finding – Interpretation of commands13B
AC064THERMOPLUNGER No. 2 RELAY
NOTESThere must be no present or stored faults.
Perform this fault finding procedure if there is a fault with the passenger compartment
heating - demisting.
Consult the "Wiring diagrams" Technical Note to locate the relevant fuses and relays.
Special notes:
The thermoplunger no. 2 relay or the additional heater interface unit supplies
thermoplungers 2 and 3 in parallel.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
If the thermoplunger no. 2 relay does not operate during command AC064.
Check the condition of the thermoplunger 2 relay mounting on the engine fuse box or the additional heater
interface unit (see Wiring Diagram Technical Note, Vehicle, component code 1068 or 1550).
Check the condition of the engine management computer connector (see Wiring Diagram Technical Note,
Vehicle, component code 120).
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
if the fault is still present, check as follows that this relay is controlled by the engine management computer:
Disconnect the thermoplunger no. 2 relay, fit a 50 Ω to 100 Ω resistor on its mounting instead of the coil, and
connect a voltmeter as follows:
– positive terminal to + 12 V battery,
– negative terminal on connection 3JAA of component 1068 or 1550.
Run command AC064.
If the voltmeter shows the battery voltage (4 ON-OFF cycles of 10 seconds), replace the thermoplunger no. 2
relay.
If the voltmeter does not show the battery voltage (4 ON-OFF cycles of 10 seconds), contact the Techline.
EDC16CP33_V18_AC064 / EDC16CP33_V1C_AC064 / EDC16CP33_V54_AC064 / EDC16CP33_V20_AC064 / EDC16CP33_V58_AC064 /
EDC16CP33_V5C_AC064 / EDC16CP33_V24_AC064 / EDC16CP33_V04_AC064 / EDC16CP33_V08_AC064 / EDC16CP33_V44_AC064 /
EDC16CP33_V4C_AC064 / EDC16CP33_V34_AC064 / EDC16CP33_V38_AC064 / EDC16CP33_V74_AC064 / EDC16CP33_V28_AC064 /
EDC16CP33_V62_AC064 / EDC16CP33_V26_AC064 / EDC16CP33_V60_AC064
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 450 of 510
13B-450V12 MR-372-J84-13B300$150.mif
DIESEL INJECTION
Fault finding – Interpretation of commands13B
AC103EGR BY-PASS
NOTESCarry out this fault finding procedure when the interpretation of fault DF304 EGR
bypass circuit has not been resolved.
Use the Wiring Diagram Technical Note, Laguna II ph2, Vel Satis ph2, Espace IV
ph2, Mégane II ph2, Scénic II ph2.
Measure the resistance between connections 3FB and 3TP of component 1301.
If the resistance of the solenoid valve is not between:
•43 Ω and 49 Ω at + 25 °C,
•32 Ω and 37 Ω at - 40 °C, replace the EGR bypass solenoid valve.
Check the continuity and the absence of interference resistance on the following connection:
•3TP between components 120 and 1301.
Check the + 12 V after relay supply to the EGR bypass solenoid valve of the following connection:
•3FB of component 1301.
If the connection or 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 you notice no valve movement when running command AC103, ensure that the computer output stage is
functioning:
Vehicle under + after ignition feed, clear the faults displayed by the diagnostic tool.
EDC16CP33_V18_AC103 / EDC16CP33_V1C_AC103 / EDC16CP33_V54_AC103 / EDC16CP33_V20_AC103 / EDC16CP33_V58_AC103 /
EDC16CP33_V5C_AC103 / EDC16CP33_V24_AC103 / EDC16CP33_V04_AC103 / EDC16CP33_V08_AC103 / EDC16CP33_V44_AC103 /
EDC16CP33_V4C_AC103 / EDC16CP33_V34_AC103 / EDC16CP33_V38_AC103 / EDC16CP33_V74_AC103 / EDC16CP33_V28_AC103 /
EDC16CP33_V62_AC103 / EDC16CP33_V26_AC103 / EDC16CP33_V60_AC103
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.