13B-123V1 MR-376-X76-13B000$080.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
PARAMETER CHECK (CONTINUED 1)
NOTESOnly perform this conformity check after a thorough check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Engine stopped, ignition on.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
Air
temperaturePR058:Air
temperatureGives the inlet air temperature
in °C. This information is
supplied by the air
temperature sensor
incorporated in the air
flowmeter.
Default value: 20°C.In the event of a fault, consult the
interpretation of parameter
PR058 then consult the
interpretation of fault DF056 Air
flow sensor circuit.
Fuel
temperaturePR063:Fuel
temperatureCold = PR064
Warm: 50°C
Gives the fuel temperature in
°C. This value is measured by
the fuel temperature sensor.
Default value: 30°C.If there is a fault, use the
interpretation of fault DF098 Fuel
temperature sensor circuit.
Manifold air
temperaturePR311:Manifold air
temperatureIf the value supplied by this
parameter is equal to 50°C,
this does not correspond to a
fault and no interpretation
should be made for this
engine.
Atmospheric
pressurePR035:Atmospheric
pressureIndicates the atmospheric
pressure in mbar. The sensor
is built into the computer. In the event of inconsistency,
with the engine stopped and
ignition on, check that parameter
PR035PR312local
atmospheric pressure. Inlet manifold
vacuumPR312:Inlet manifold
vacuumIndicates the pressure in the
inlet circuit in mbar.
13B-124V1 MR-376-X76-13B000$080.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
PARAMETER CHECK (CONTINUED 2)
NOTESOnly perform this conformity check after a thorough check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Engine stopped, ignition on.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
Battery voltagePR074:Battery
voltage12 V < PR074 < 14.4 V.In the event of a fault, run
fault finding on the
Charging circuit (see
Technical Note 6014A
(Renault) or Technical
Note 9859A (Dacia),
Checking the charging
circuit).
Air flowPR018:Estimated air
flowEstimation of the air flow by the
injection computer given in mg/st.NONE
Fuel flowPR017:Fuel flowPR017 = 0.0 mg/st
Gives the fuel flow at the high
pressure pump outlet in mg/st.NONE
Rail pressurePR038:Rail pressureEngine stopped: 1bar.
Indicates the pressure in bar of the
diesel fuel in the injector rail. This
pressure is supplied by the sensor
on the rail.
Default value: 2000 bar.If there is a fault, use the
interpretation of fault
DF007 Rail pressure
sensor circuit.
PR008:Rail reference
pressurePR008 = 375 bar (Engine starting
pressure setpoint)
Cold: 405 bar
Warm: 230 bar
Gives the theoretical pressure
value for optimum engine
operation.NONE
13B-126V1 MR-376-X76-13B000$080.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
PARAMETER CHECK (CONTINUED 4)
NOTESOnly perform this conformity check after a thorough check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Engine stopped, ignition on.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
Sensor
voltagePR077:EGR valve
position
sensor voltage0.5 V < PR077 < 4.8 VIn the event of a fault, apply the
interpretation of fault DF209
EGR valve position sensor
circuit (not applicable to
K9K796 Euro 2).
PR344:Manifold
pressure
sensor voltageShows the voltage supplied by the
computer to feed the inlet pressure
sensor in volts.In the event of a fault, apply the
interpretation of fault DF089
Inlet manifold pressure
sensor circuit.
PR080:Rail pressure
sensor voltage0.5 V < PR080 < 4.5 V
Shows the voltage supplied by the
computer on the rail pressure
sensor in volts.
Default value: 4.5 V.If there is a fault, use the
interpretation of fault DF007
Rail pressure sensor circuit.
PressurePR037:Refrigerant
pressure2 bar < PR037 < 27 bar
Shows the value of the refrigerant
fluid pressure in the system in bar.
Default value: 0 bar.In the event of a fault, apply the
interpretation of fault DF049
Refrigerant sensor circuit.
Air flowPR019:Linearised air
flowShows the linearised air flow in g/s.In the event of a fault, apply the
interpretation of fault DF056 Air
flow sensor circuit.
Engine
speedPR055:Engine speed0 rpm. NONE
13B-127V1 MR-376-X76-13B000$080.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
STATUS CHECK
NOTESOnly perform this conformity check after a complete check using the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Engine idling, warm engine, coolant temperature > 80°C.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
EngineET038:EngineRUNNING NONE
Engine
immobiliserET003:Engine
immobiliserINACTIVE
Indicates the status of the
immobiliser system.
INACTIVE: The injection computer
has recognised the immobiliser code
transmitted by the UCH.
ACTIVE: The injection computer
does not recognise the immobiliser
code transmitted by the UCH.If status ET003 is
inconsistent, consult the
fault finding procedure for
the UCH (See 82D,
Access – Security).
Air
conditioningET164:Configuration
with air
conditioningYES - NO
States 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 not consistent with the
vehicle equipment, test the
multiplex network and
follow the relevant
procedure.
Fast idle speedET023:Fast idle speed
requestABSENT
The UCH sends a fast idle request to
the injection.
ABSENT: no UCH request.
PRESENT: UCH request.If status ET023 is
inconsistent, consult the
fault finding procedure for
the UCH (See 87B,
Passenger compartment
connection unit).
13B-128V1 MR-376-X76-13B000$080.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
STATUS CHECK (CONTINUED 1)
NOTESOnly perform this conformity check after a complete check using the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Engine idling, warm engine, coolant temperature > 80°C.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
Air
conditioningET116:Climate control
authorisationNO
YES: The UCH should send an
activation request to the injection.
The coolant pressure sensor must
not be defective. Satisfactory engine
operating conditions (coolant
temperature, engine load etc.).
NO: One of the above conditions has
not been fulfilled.NONE
EGRET008:EGR solenoid
valve controlINACTIVE
Shows the condition of the EGR
valve control.
INACTIVE: The valve is not
controlled by the computer.
ACTIVE: The valve is controlled by
the computer.In the event of a fault,
apply the interpretation of
faults DF016 EGR control
circuit and DF114 EGR
solenoid valve circuit
(not applicable to K9K796
Euro 2).
PreheatingET007:Pre-
postheating
controlACTIVE/INACTIVE
Shows the status of the preheating
unit control.In the event of a fault,
consult the interpretation
of fault DF017 Preheating
unit control circuit.
13B-131V1 MR-376-X76-13B000$080.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
PARAMETER CHECK (CONTINUED 1)
NOTESOnly perform this conformity check after a complete check using the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Engine idling, warm engine, coolant temperature > 80°C.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
Air
temperaturePR058:Air
temperatureGives the inlet air temperature
in °C. This information is
supplied by the air
temperature sensor
incorporated in the air
flowmeter.
Default value: 20°C.In the event of a problem, consult
the interpretation of fault DF056
Air flow sensor circuit.
Fuel
temperaturePR063:Fuel
temperatureCold = PR064 Coolant
temperature
Warm: 50°C
Gives the fuel temperature in
°C. This value is measured by
the fuel temperature sensor.
Default value: 30°C.If there is a fault, use the
interpretation of fault DF098 Fuel
temperature sensor circuit.
Atmospheric
pressurePR035:Atmospheric
pressureIndicates the atmospheric
pressure in mbar. The sensor
is built into the computer. In the event of inconsistency,
with the engine stopped and
ignition on, check that parameter
PR035PR312local
atmospheric pressure. Inlet manifold
vacuumPR312:Inlet manifold
vacuumIndicates the pressure in the
inlet circuit in mbar.
Battery voltagePR074:Battery voltage12 V < PR074 < 14.4 V.In the event of a fault, apply the
fault finding procedure for the
Charging circuit.
13B-132V1 MR-376-X76-13B000$080.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
PARAMETER CHECK (CONTINUED 2)
NOTESOnly perform this conformity check after a complete check using the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Engine idling, warm engine, coolant temperature > 80°C.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
Air flowPR018:Estimated air
flowEstimation of the air flow by the
injection computer given in mg/st.NONE
Fuel flowPR017:Fuel flowGives the fuel flow at the high
pressure pump outlet in mg/st.NONE
Rail pressurePR038:Rail pressureIndicates the pressure in bar of
the diesel fuel in the injector rail.
This pressure is supplied by the
sensor on the rail.
Default value: 2000 bar.If there is a fault, use the
interpretation of fault
DF007 Rail pressure
sensor circuit.
PR008:Rail reference
pressurePR008 = 375 bar (Engine starting
pressure setpoint)
Cold: 405 bar
Warm: 230 bar
Gives the theoretical pressure
value for optimum engine
operation.NONE
13B-134V1 MR-376-X76-13B000$080.mif
DIESEL INJECTION
Fault finding – Conformity check13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
PARAMETER CHECK (CONTINUED 4)
NOTESOnly perform this conformity check after a complete check using the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Engine idling, warm engine, coolant temperature > 80°C.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
Sensor
voltagePR077:EGR valve
position
sensor voltage0.5 V < PR077 < 4.8 VIn the event of a fault, apply the
interpretation of fault DF209
EGR valve position sensor
circuit (not applicable to
K9K796 Euro 2).
PR344:Manifold
pressure
sensor voltageShows the voltage supplied by the
computer to feed the inlet pressure
sensor in volts.In the event of a fault, apply the
interpretation of fault DF089
Inlet manifold pressure
sensor circuit.
PR080:Rail pressure
sensor voltage0.5 V < PR080 < 4.5 V
Shows the voltage supplied by the
computer on the rail pressure
sensor in volts.
Default value: 4.5 V.In the event of a problem, apply
the interpretation of DF007 Rail
pressure sensor circuit.
PressurePR037:Refrigerant
pressure2 bar < PR037 < 27 bar
Shows the value of the refrigerant
fluid pressure in the system in bar.
Default value: 0 bar.In the event of a fault, apply the
interpretation of fault DF049
Refrigerant sensor circuit.
Air flowPR019:Linearised air
flowShows the linearised air flow in g/s.In the event of a fault, apply the
interpretation of fault DF056 Air
flow sensor circuit.