13B-133
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$423.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
FUEL CIRCUIT
NOTESOnly carry out this conformity check after carrying out a complete check using the
diagnostic tool. The values shown in this conformity check are given as examples.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
1 Engine speed PR055: Engine speedIndicates the engine's
rotation speed in rpm.
Idling
PR055 = 800 rpmIn the event of a fault,
consult the interpretation
of fault DF005 Engine
speed sensor circuit.
2 Temperature PR063: Fuel
temperatureShows the fuel
temperature
Default value: 100°CIn the event of a fault,
consult the interpretation
of fault DF098 Fuel
temperature sensor
circuit.
3PressurePR008: Rail reference
pressureIndicates the
theoretical pressure
value for optimum
engine operation
250< PR008< 300barIn the event of a fault,
consult the interpretation
of fault DF053 Rail
pressure regulation
function.
PR048:Rail pressure
regulation valve
OCRPR048 = 40%
In the event of a fault,
consult the interpretation
of fault DF007 Rail
pressure sensor circuit.
PR038: Rail pressure250< PR038< 300bar
Default value:
250 bar.
PR213: Rail pressure
loop differenceX = PR008 - PR038The fuel pressure variation
is the difference between
the rail pressure and the rail
pressure setpoint. In the
event of a fault, consult
the interpretation of fault
DF007 Rail pressure
sensor circuit.
13B-134
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$423.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
FUEL CIRCUIT (continued)
NOTESOnly carry out this conformity check after carrying out a complete check using the
diagnostic tool. The values shown in this conformity check are given as examples.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
4FlowPR017: Fuel flow6 < X < 7 mg/st NONE
5 Rail currentPR006: Rail pressure
regulator current1320 < X < 1350 mA
Default value:
1600 mA or 4 mAIn the event of a fault,
consult the interpretation
of fault DF007 Rail pressure
sensor circuit.
PR007: Rail pressure
regulator current
setpoint1320 < X < 1350 mA
Default value:
1600 mA or 4 mA
6 Sensor voltagePR082: Fuel
temperature
sensor voltage1.5
consult the interpretation
of fault DF098 Fuel
temperature sensor
circuit.
PR080: Rail pressure
sensor voltage1.1 < X <1.2 V
Default value: 5 VIn the event of a fault, refer
to the interpretation of fault
DF013 Sensor supply
voltage no. 3.
7 Fuel flow
correctionPR364: Cylinder no. 1
fuel flow
correction
± 1 mg/stIf one of the fuel flow
correction parameters is
outside the permitted
tolerance values, consult
the interpretation of TEST
1 Injector Test. PR405: Cylinder no. 2
fuel flow
correction
PR406: Cylinder no. 3
fuel flow
correction
PR365: Cylinder no. 4
fuel flow
correction
13B-135
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$423.mif
EDC16 INJECTION
Program No.: C1
Vdiag No: 44, 48 and 4C
ANTIPOLLUTION/OBD
NOTESOnly carry out this conformity check after carrying out a complete check using the
diagnostic tool. The values shown in this conformity check are given as examples.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
Check or ActionDisplay and Notes Fault finding
1 Engine speed PR055: Engine speedIndicates the engine's
rotation speed in rpm.
Idling
X = 800 rpm rpmIn the event of a fault,
consult the interpretation
of fault DF005 Engine
speed sensor circuit.
2Exhaust gas
recirculationPR046: EGR solenoid
valve OCRIdling
43.5 < X < 44%
In the event of a fault,
consult the interpretation
of faults DF117 EGR
position offset and DF114
EGR solenoid valve circuit. PR005: EGR valve
opening setpointGives a theoretical
EGR valve opening
value for optimum
engine operation.
Idling
5< X <95%
PR051: EGR valve
position
feedback5< X <95%
PR022: EGR valve
position
feedback loop
differencePR022 = PR051 -
PR005
PR128: First EGR valve
offset15% < X < 30%
(Average value)
PR129: Last EGR valve
offset15% < X < 40%
(Average value)
3 Air regulationPR171: Air flow setpoint
for EGR
275 < X < 280 mg/st
None
PR131: EGR air flow
variation
ET078: Air regulationACTIVEor INACTIVE
4 Sensor feed PR077: EGR valve
position sensor
voltage1.06 < X <1.08 V
Safe value: 0 VIn the event of a fault,
consult the interpretation
of fault DF114 EGR
solenoid valve circuit.
13B - 136
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$470.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4CDIESEL INJECTION
Fault finding - Conformity check
COLD LOOP
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as examples.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Air
conditioning
detectionET079: Air conditioning
presentIndicates whether the
vehicle is fitted with
air conditioning or
not.
–YES: Air
conditioning is
detected by the
injection computer.
–NO: Air
conditioning is not
detected by the
injection computer.If this is not consistent
with the vehicle
equipment, carry out a test
on the multiplex network and
apply the relevant
procedure.
2 Engine running PR055: Engine speedIndicates the engine's
speed in rpm
At idling speed
PR055 = 800 rpmIn the event of a fault,
consult the interpretation of
fault DF005 Engine speed
sensor circuit.
3 Driver controlET088: Compressor
actuation
requestACTIVE OR
INACTIVEIf air conditioning is not
authorised, or if the
compressor is never
activated, (See 62A,
Air conditioning). ET004: Air conditioning
authorisationYES or NO
4Air
conditioning
speedPR053: Speed requested
by air
conditioningAt idling speed
PR053 = 900 rpmNone
5 Pressure PR037: Refrigerant
pressure 1< X< 32barIn the event of a fault,
consult the interpretation of
fault DF049 Refrigerant
sensor.
6 Output PR125: Power absorbed
by the air
conditioning
compressorAt idling speed
PR125 = 300 WNone
MR-372-J84-13B150$470.mif
13B - 137
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$470.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
COLD LOOP (continued)
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as examples.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
7 Engine coolingET022: Low speed fan
assembly
requestINACTIVE if air
conditioning not
switched onIf the motor-driven fan
assemblies are being
supplied continuously
without the air
conditioning being
active, the injection
system may be in defect
mode.
Carry out a system fault
test and consult the
interpretation of any faults. ET021: High speed fan
assembly
request
ET014: Fan assembly 1
checkRUNNING if air
conditioning is active
ET015: Fan assembly 2
checkRUNNING if
operating
temperature is
reached
8Coolant
temperaturePR064: Coolant
temperatureShows the engine
coolant temperature
in °C
Default value: 119 °CIn the event of a fault,
consult the interpretation
for DF001 "Coolant
temperature sensor
circuit".
9 Vehicle speed PR089: Vehicle speedGives the vehicle
speed in mph. This
parameter is
transmitted by the ABS
computer. This signal
is transmitted to the
injection on the
multiplex network.
With ignition on
PR089 = 0 mph (km/h)In the event of a fault, test
the multiplex network.
Refer to the ABS fault
finding notes for the
interpretation of possible
faults.
13B - 138
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$470.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
DRIVER PARAMETERS
(*) PEDAL VOLTAGES - COLD, IGNITION OFF
(Average values given as examples).
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as examples.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1 Engine running PR055: Engine speedIndicates the engine's
speed in rpm
At idling speed
PR055= 800rpmIn the event of a fault,
consult the interpretation of
fault DF005 Engine speed
sensor circuit.
2Accelerator
pedal positionPR030: Accelerator
pedal position *Indicates the
accelerator pedal
position
If no pressure is
being applied to the
pedal PR030 = 0 %In the event of a fault,
consult the interpretation of
fault DF008 Pedal
potentiometer circuit
gang 1 or DF009 Pedal
potentiometer circuit
gang 2.
3 Sensor feedPR147: Pedal
potentiometer
gang 1 voltageAccelerator pedal
released
0.70 < PR147 < 0.80 VIn the event of a fault,
consult the interpretation of
fault DF011 Sensor feed
voltage no. 1
or
DF012 Sensor feed
voltage no. 2. PR148: Pedal
potentiometer
gang 2 voltageAccelerator pedal
released
0.35 < PR148 < 0.40 V
Pedal load 0 % 25 % 50 % 100 % 120 %
Gang 1 voltage 0.76 V 1.52 V 2.09 V 3.23 V 3.68 V
Gang 2 voltage 0.37 V 0.74 V 1.02 V 1.56 V 1.79 V
13B - 139
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$470.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
HEATING
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as a guide.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Coolant
temperaturePR064:Coolant
temperatureShows the engine coolant
temperature in °C
Default value: 119 °CIn the event of a
fault, consult the
interpretation of
DF001 Coolant
temperature sensor
circuit.
2Resistance
Heating
Passenger
compartmentET111:RCH number
setIndicates the number of
passenger compartment
resistors supplied. The
passenger compartment
resistor function
programming is performed
through the UCH.
Certain operating parameters
determine the operation of
one or more passenger
compartment resistors.
The injection computer only
receives a signal relating to
the number of passenger
compartment resistors to
control.
Warm engine
ET111 = NOIn the event of a
fault, refer to the UCH
fault finding note.
ET112:RCH cut-offStatus ET112 is indicated if
the passenger compartment
resistors are being controlled.
The computer receives the
signal to cut-off the resistors
through the UCH.
Warm engine
ET112 = YES
13B - 143
DIESEL INJECTION
Fault finding - Conformity check13B
V10 MR-372-J84-13B150$470.mif
EDC16 INJECTION
Program No.: C1
Vdiag No.: 44, 48 and 4C
ENGINE COOLING
NOTESOnly check conformity after a complete check using the diagnostic tool. The values
shown in this conformity check are given as a guide.
Test conditions: engine at idle speed, coolant temperature at > 80°.
Order FunctionParameter or Status
checked or ActionDisplay and Notes Fault finding
1Coolant
temperaturePR064:Coolant
temperatureShows the engine coolant
temperature in °C
Default value: 119 °CIn the event of a fault,
consult the
interpretation of DF001
Coolant temperature
sensor circuit.
2 Fan assembliesET022:Low speed
fan assembly
requestINACTIVE if air
conditioning not
switched onIf the fan assemblies
are supplied with the
ignition on, the
injection may be in
defect mode.
Carry out a system fault
test and consult the
interpretation of any
faults. ET021:High speed
fan assembly
request
ET014:Fan assembly
1 checkRUNNING if air
conditioning is active
ET015:Fan assembly
2 checkRUNNING if operating
temperature is reached
3 Sensor feed PR084:Coolant
temperature
sensor
voltageidle speed, engine warm
PR084 = 0.54 V
Safe value: 5 VIn the event of a fault,
consult the
interpretation of DF001
Coolant temperature
sensor circuit.