13B-269
MR-372-J84-13B050$819.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of commands
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
AC236
COOLANT PUMP RELAY
NOTESThis command is used to check the operation of the electric coolant pump relay.
Use the CLIO III, MODUS, MEGANE II ph2 and SCENIC II ph2 Wiring Diagrams
Technical Note.
Vdiag 45, 49 and 4D only. (except Kangoo II).
Check the connection and condition of the coolant pump relay connector, component code 573 and injection
computer connector B, component code 120.
If the connector(s) are faulty and there is a repair procedure (see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair), repair the connector(s), otherwise replace the wiring.
Check the insulation, continuity and the absence of interference resistance on the following connections:
–3VG between components 573 and 120,
–3V between components 573 and 369,
–3FB between components 573 and 983,
–3FB1 between components 573 and 983.
If the connection(s) are faulty and there is a repair method (see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair), repair the wiring, otherwise replace it.
If the fault is still present, contact the Techline.
SID304_V45_AC236 / SID304_V49_AC236 / SID304_V4D_AC236 / SID301_V4C_AC236
13B-270
MR-372-J84-13B050$819.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of commands
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
*temp.: temperatureAC239
PARTICLE FILTER TEMPERATURE SENSOR FAULT FINDING
NOTESCarry out this command only under the following conditions:
– DF999 Particle filter downstream temperature sensor circuit,
– DF1000 Particle filter upstream temperature sensor circuit,
With the ignition on and engine switched off and the engine coolant temperature
below 40°C.
This command is used to check the operation of the particle filter temperature sensors.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and KANGOO II Wiring
diagrams Technical Note.
If one of the faults such as DF999 Particle filter downstream temperature sensor circuit or DF1000 Particle
filter upstream temperature sensor circuit is stored, check if it is in short circuit to the + 12 V or in open circuit
using this command.
Procedure:
– Run command AC239 Particle filter temperature sensor fault finding in the presence of the one of these
two faults DF999 Particle filter downstream temperature sensor circuit and/or DF1000 Particle filter
upstream temperature sensor circuit.
– If one or both of these faults becomes present, then the sensor(s) is in short circuit to + 12 V or in open
circuit.
Refer to the interpretation of faults DF999 Particle filter downstream temperature sensor circuit and DF1000
Particle filter upstream temperature sensor circuit.
– If they do not become present, clear the faults on the CLIP diagnostic tool.
SID304_V4D_AC239 / SID304_V45_AC239 / SID304_V49_AC239 / SID301_V4C_AC239
13B-304
MR-372-J84-13B050$936.mif
V17
DIESEL INJECTION
Fault finding – Tests13B
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
TEST 3 High pressure fuel pressure solenoid valve check
NOTESConditions prior to test:
The entire low pressure system must be in good condition.
Check the sealing of the high pressure pipes and unions.
Cause:
Rail pressure approximately 50 bar during starting.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and Kangoo II Wiring
diagrams Technical Note.
Disconnect the fuel pressure solenoid valve
connector and measure the resistance at the
terminals of the fuel-pressure solenoid valve
between connection 3ZQ of connector B
computer and connection 3FB (or 3FB3 for
Kangoo II) of the Protection and Communication
Unit or the main injection relay.
Is the resistance between 1.5 Ω and 15 Ω?
YES
Check the wiring between the injection computer
and the fuel pressure solenoid valve.
Measure the voltage at connection 3FB on the
connector of the fuel pressure solenoid valve
with the ignition on.
Is the voltage the same as the battery voltage?
YES
Apply the conformity check for ET613 Fuel
pressure regulator
NOReplace the pump (see Replacement of
components).
NOCheck the connection and condition of the
connectors for the fuel pressure solenoid
valve and the main injection relay.
– connection code 3FB1 (or 3FB3 for
Kangoo II) between components
1105 and 983 or 1337.
If the connection is 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 main
injection relay.
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
SID301_V44_TEST3 / SID304_V45_TEST3 / SID301_V48_TEST3 / SID304_V49_TEST3 / SID304_V4D_TEST3 / SID301_V4C_TEST3
13B-305
MR-372-J84-13B050$936.mif
V17
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2DIESEL INJECTION
Fault finding – Tests13B
TEST 4 Check high-pressure pump (HPP) and fuel flow solenoid valve.
NOTESConditions prior to test:
The entire low pressure system must be in good condition.
Check the sealing of the high pressure pipes and unions.
Test 3 High pressure fuel pressure solenoid valve check is OK.
Cause:
Not enough or no rail pressure during starting.
Rail reference pressure during starting, minimum 150 bar.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and Kangoo II Wiring
diagrams Technical Note.
Remove the fuel flow solenoid valve connector (orange).
Measure the resistance of the fuel flow solenoid valve
connection code 3FB1 between the computer connector
and the injection main relay connector.
Is the resistance between 1.5 Ω and 15 Ω?
YES
Measure the voltage at the flow solenoid valve connector
connection code 3FB1 (or 3FB3 for Kangoo II) with the
ignition on.
Is the voltage the same as the battery voltage?
YES
Use parameter PR739 Fuel flow solenoid valve current
to check the excitation current when the starter is
activated.
Is the excitation current between 0.6A and 1A?
YES
NOReplace the pump.
NOCheck the connection and condition of
the connectors for the fuel pressure
solenoid valve and the main injection
relay.
– connection code 3FB1 (or 3FB3
for Kangoo II) between
components 1105 and 983 or
1337.
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
main injection relay.
NO
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
SID301_V44_TEST4 / SID304_V45_TEST4 / SID301_V48_TEST4 / SID304_V49_TEST4 / SID304_V4D_TEST4 / SID301_V4C_TEST4
B
A
13B-308
MR-372-J84-13B050$936.mif
V17
DIESEL INJECTION
Fault finding – Tests13B
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
TEST 5 Rail high pressure control circuit check
NOTESConditions prior to test:
Engine temperature between 80°C and 90°C.
All the electrical consumers are switched off.
Air conditioning is switched off.
The tank is at least half-full.
The pipe connections and unions have been checked.
Check the sealing of the high pressure pipes and unions.
Note:
Routine SC017 Regenerate particle filter cannot be performed while command
AC029 High pressure circuit sealing test is active.
Causes:
Rail pressure variations around the reference value.
The rail reference pressure is not reached.
Rough idle.
Possibly noisy combustion.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and Kangoo II Wiring
diagrams Technical Note.
Start the engine and let it idle.
Are there large air bubbles in the transparent
supply pipe leading to the pump?
NO
Remove the fuel flow solenoid valve connector
(orange), does the engine stop?
YES
YESCheck the low pressure system.
NOReplace the pump (the fuel flow solenoid
valve remains open mechanically).
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
SID301_V44_TEST5 / SID304_V45_TEST5 / SID301_V48_TEST5 / SID304_V49_TEST5 / SID304_V4D_TEST5 / SID301_V4C_TEST5
A
13B-313
MR-372-J84-13B050$936.mif
V17
DIESEL INJECTION
Fault finding – Tests13B
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
TEST 6 Major leak in injectors/injectors open
NOTESConditions prior to test:
The entire low pressure system must be in good condition.
Check the sealing of the high pressure pipes and unions.
Te s t 3 High pressure fuel pressure solenoid valve check is OK.
Test 4 High pressure pump (HPP) and fuel flow solenoid valve check is OK.
Te s t 5 Rail high pressure regulation circuit check is OK.
Causes:
Not enough or no rail pressure during starting.
The engine does not start.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and Kangoo II Wiring
diagrams Technical Note.
Measure the resistance at the injectors.
Resistance between 150 and 250 kΩ.
Measure at ambient temperature (approx. 20°C),
allow the engine to cool down for at least
30 minutes.
Is the resistance correct?
YES
NOReplace the corresponding injectors.
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
SID301_V44_TEST6 / SID304_V45_TEST6 / SID301_V48_TEST6 / SID304_V49_TEST6 / SID304_V4D_TEST6 / SID301_V4C_TEST6
A
13B-316
MR-372-J84-13B050$936.mif
V17
DIESEL INJECTION
Fault finding – Tests13B
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
TEST 7 Incorrect injection quantity
NOTESConditions prior to test:
The entire low pressure system must be in good condition.
Check the sealing of the high pressure pipes and unions.
Te s t 3 High pressure fuel pressure solenoid valve check is OK.
Test 4 High pressure pump (HPP) and fuel flow solenoid valve check is OK.
Te s t 5 Rail high pressure regulation circuit check is OK.
All the electrical consumers are switched off.
Air conditioning is switched off.
Cause:
The engine runs poorly at idle speed, possibly emits white smoke.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and KANGOO II Wiring
diagrams Technical Note.
Ignition off.
Measure the resistance at the injectors.
The reference resistance is between 150 and
250 kΩ.
Measure at ambient temperature (approx. 20°C),
allow the engine to cool down for at least
30 minutes.
Are the resistances correct?
YES
NOReplace the corresponding injectors.
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
SID301_V44_TEST7 / SID304_V45_TEST7 / SID301_V48_TEST7 / SID304_V49_TEST7 / SID304_V4D_TEST7 / SID301_V4C_TEST7
A
13B-318
MR-372-J84-13B050$936.mif
V17
DIESEL INJECTION
Fault finding – Tests13B
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
TEST 8 Particle filter injector supply circuit check
NOTESDeal first with faults DF991 Particle filter injector control circuit and DF1004
Electric fuel pump relay control circuit.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and Kangoo II Wiring
diagrams Technical Note.
Vdiag 45, 49 and 4D only.
Check the condition of the fuel supply pipes
between the particle filter injector and the electric
fuel pump.
Check that the pipes are not trapped, blocked or
pierced and there that are no leaks.
Are the components in good condition?
YES
Check the particle filter injector, component
code 1750.
Check the condition, power feed and
connections of the particle filter injector.
(Consult the interpretation of fault DF991
Particle filter injector control circuit). Check it
works by running command AC238 Particle
filter injector.
Does the particle filter injector operate
correctly?
YES
NOReplace any faulty components.
NOReplace the particle filter injector if
necessary.
AFTER REPAIRCarry out a road test followed by a complete check with the diagnostic tool.
SID304_V45_TEST8 / SID304_V49_TEST8 / SID304_V4D_TEST8 / SID301_V4C_TEST8
A