Page 97 of 329

13B-97
MR-372-J84-13B050$468.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of faults
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
DF771
PRESENT
OR
STOREDFLOW REGULATION ADAPTIVE
1. DEF: Parameter at minimum limit
2. DEF: Parameter at maximum limit
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the engine is started and following a road test.
Apply test 1 Low pressure fuel supply system check.
Apply test 2 Internal fuel transfer pump check (ITP).
Apply test 3 High pressure fuel pressure solenoid valve check.
Apply test 4 Check high-pressure pump (HPP) and fuel flow solenoid valve.
Apply test 5 Rail high pressure regulation circuit check.
Apply test 6 Major leak in open injectors/injectors.
Apply test 7 Incorrect injection quantity.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Clear RZ004 Pressure regulation adaptives.
Carry out a road test followed by another check with the diagnostic tool.
SID301_V44_DF771 / SID304_V45_DF771 / SID301_V48_DF771 / SID304_V49_DF771 / SID304_V4D_DF771 / SID301_V4C_DF771
Page 98 of 329

13B-98
MR-372-J84-13B050$468.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of faults
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
DF773
PRESENT
OR
STOREDPRESSURE REGULATOR CIRCUIT
CC.0 : Short circuit to earth
CC.1 : Short circuit to + 12 V
CO : Open circuit
1. DEF: Parameter at maximum limit
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault becomes present after starting the engine.
Special notes:
–Level 1 fault warning light lit on the instrument panel and loss of performance, or
level 2 fault warning light lit on the instrument panel with loss of performance,
engine stalling or impossible to start.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and KANGOO II Wiring
diagrams Technical Note.
Check the connection and condition of the connector of the fuel pressure solenoid valve, component code 119 8
and the injection computer connector, component code 120 (see MR 392, 385, 364, 370 and 417, Mechanical,
13B, Diesel injection, Diesel injection computer: Removal - Refitting).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Measure the resistance at the terminals of the pressure solenoid valve between connections 3ZQ1 and 3FB1 (or
3FB3 for Kangoo II).
(be careful of the injection main relay connector).
If the resistance is not between 1.5 Ω and 15 Ω, replace the pump (see Replacement of components).
With the ignition on, check for + 12 V after ignition on connection 3FB1 (or 3FB3 for Kangoo II) of the fuel
pressure solenoid valve, component code 1198.
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 continuity, insulation and the absence of interference resistance on the following connections:
–3FB1 (or 3FB3 for Kangoo II) between components 1198 and 983 (or 1337 for Kangoo II),
–3ZQ1 (or 3ZQ for Kangoo II) between components 1198 and 120.
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.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
SID301_V44_DF773 / SID304_V45_DF773 / SID301_V48_DF773 / SID304_V49_DF773 / SID304_V4D_DF773 / SID301_V4C_DF773
Page 99 of 329
13B-99
MR-372-J84-13B050$468.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of faults
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
DF773
CONTINUED
Apply test 7 Incorrect injection quantity.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
Page 100 of 329

13B-100
MR-372-J84-13B050$468.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of faults
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
DF885
PRESENT
OR
STOREDRAIL PRESSURE
1. DEF: Rail pressure too low on starting
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault becomes present during the first 30 seconds after starting the engine.
Special note:
– Starting and engine operation difficult or impossible.
Apply test 1 Low pressure fuel supply system check.
Apply test 2 Internal fuel transfer pump check (ITP).
Apply test 3 High pressure fuel pressure solenoid valve check.
Apply test 4 Check high-pressure pump (HPP) and fuel flow solenoid valve.
Apply test 5 Rail high pressure regulation circuit check.
Apply test 6 Major leak in injectors/injectors open.
Apply test 7 Incorrect injection quantity.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Clear RZ004 Pressure regulation adaptives.
Carry out a road test followed by another check with the diagnostic tool.
SID301_V44_DF885 / SID304_V45_DF885 / SID301_V48_DF885 / SID304_V49_DF885 / SID304_V4D_DF885 / SID301_V4C_DF885
Page 101 of 329

13B-101
MR-372-J84-13B050$468.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of faults
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
DF886
PRESENT
OR
STOREDPRESENCE OF WATER IN THE DIESEL FUEL
1. DEF: Water in diesel fuel
NOTESConditions for applying the fault finding procedure to a stored fault:
The fault becomes present after a road test above 24 mph (40 km/h) and the engine
speed above 1000 rpm.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and KANGOO II Wiring
diagrams Technical Note.
Check whether there is any water in the diesel filter; replace the filter if necessary.
Drain the fuel filter.
Check the connection and condition of the connector of the water in diesel fuel sensor, component code 414.
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check the connection and condition of the injection computer connector, component code 120 (see MR 392,
385, 364, 370 and 417, Mechanical, 13B, Diesel injection, Diesel injection computer: Removal - Refitting).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Measure the resistance of the water in diesel fuel sensor, component code 414 between connections 3FB and
M.
If the resistance is not:
2140Ω
771Ω
275Ω
replace the water in diesel fuel sensor.
With the ignition on, check for + 12 V after ignition on connection 3FB (or AP15 for Kangoo II) and earth on
connection M (MH or MW for Kangoo II) of the water in diesel fuel sensor, component code 414.
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.
Check the continuity, insulation and the absence of interference resistance on the following connections:
–3FB (or AP15 for Kangoo II) between components 414 and 120,
–M (MH or MW for Kangoo II) between components 414 and 120,
–3WT between components
414 and 120.
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.
Replace the water in diesel fuel sensor.
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
SID301_V44_DF886 / SID304_V45_DF886 / SID301_V48_DF886 / SID304_V49_DF886 / SID304_V4D_DF886 / SID301_V4C_DF886
Page 102 of 329

13B-102
MR-372-J84-13B050$468.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of faults
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
DF887
PRESENT
OR
STOREDBRAKE/ACCELERATOR PEDAL POSITIONS
1. DEF: Signal inconsistency
NOTESConditions for applying the fault finding procedure to a stored fault:
Apply this fault finding procedure.
Special notes:
The brake and accelerator pedals were detected as depressed simultaneously for 30
seconds.
– Illumination of Level 2 fault warning light on the instrument panel.
Use CLIO III, MODUS, MEGANE II ph2, SCENIC II ph2 and KANGOO II Wiring
diagrams Technical Note.
Check that the accelerator pedal is not jammed and that there is nothing impeding its operation (floor carpet, etc.).
Check that the brake light switch is adjusted and operating correctly.
Check the connection and condition of the accelerator pedal potentiometer connector, component code 921
(see MR 392, 385, 364, 370 and 417, Mechanical, 17B, Diesel injection, Accelerator pedal potentiometer:
Removal - Refitting).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check the connection and condition of the injection computer connector, component code 120 (see MR 392,
385, 364, 370 and 417, Mechanical, 13B, Diesel injection, Diesel injection computer: Removal - Refitting).
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Measure the resistance of the pedal potentiometer, component code 921 on gang 1 between connections 3LT
and 3LR.
If the resistance is not between 0.8 kΩ and
2.6 kΩ, replace the pedal potentiometer (see MR 392, 385, 364, 370
and 417, Mechanical, 13B, Diesel injection, Accelerator pedal potentiometer:
Removal - Refitting).
Measure the resistance of the pedal potentiometer, component code 921 on gang 2 between connections 3LU
and 3LV.
If the resistance is not between 0.8 kΩ and
4.9 kΩ, replace the pedal potentiometer (see MR 392, 385, 364, 370
and 417, Mechanical, 17B, Diesel injection, Accelerator pedal potentiometer:
Removal - Refitting).
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Clear RZ001 Fault memory.
Carry out a road test followed by another check with the diagnostic tool.
SID301_V44_DF887 / SID304_V45_DF887 / SID301_V48_DF887 / SID304_V49_DF887 / SID304_V4D_DF887 / SID301_V4C_DF887
Page 103 of 329
13B-103
MR-372-J84-13B050$468.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of faults
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
DF887
CONTINUED
Check the insulation, continuity and the absence of interference resistance on the following connections:
–3LR between components 921 and 120,
–3LS between components 921 and 120,
–3LT between components 921 and 120,
–3LU between components921 and 120,
–3LV between components 921 and 120,
–3LW between components 921 and 120.
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.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Clear RZ001 Fault memory.
Carry out a road test followed by another check with the diagnostic tool.
Page 104 of 329

13B-104
MR-372-J84-13B050$468.mif
V17
DIESEL INJECTION
Fault finding – Interpretation of faults
Siemens Injection
SID301 and 304
Vdiag No.: 44-45-48-49-4D-4C
Program No.: B1 and B2
13B
DF889
PRESENT
OR
STOREDENGINE PROTECTION
1. DEF: Engine safety stop after an electric fault
2. DEF: Engine safety stop after a hydraulic fault
NOTESPriorities when dealing with a number of faults:
If there are a number of faults, deal with the other system faults first.
Conditions for applying the fault finding procedure to a stored fault:
Apply this fault finding procedure.
Special notes:
The engine only stops after switching the ignition off.
Carry out Te s t 1 2: Turbocharger
If the fault is still present, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
SID301_V44_DF889 / SID304_V45_DF889 / SID301_V48_DF889 / SID304_V49_DF889 / SID304_V4D_DF889 / SID301_V4C_DF889