13B-133V1 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 3)
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
EGR valvePR051:EGR valve
position
feedbackPR051 = 0%
Gives the actual value of the EGR
valve position.
PR051 = PR005.
Default value 30%.In the event of a fault, apply the
interpretation of faults DF209
EGR valve position sensor
circuit, DF016 EGR control
circuit and DF114 EGR
solenoid valve circuit (not
applicable to K9K796 Euro 2). PR052:EGR valve
opening
setpointIn %
Gives a theoretical EGR valve
opening value for optimum engine
operation.
PR005 = PR051
Pedal loadPR217:Pedal load
(gang 1)
Shows the voltage supply
percentage for gangs 1 and 2 of
the pedal potentiometer.
10% < PR217 < 20%,
5% < PR218 < 15%.In the event of a fault, apply the
interpretation of faults DF008
Pedal potentiometer circuit
gang 1, DF009 Pedal
potentiometer circuit gang 2,
DF113 Sensor supply voltage
and DF122 Pedal
potentiometer gang 2 voltage
supply. PR218:Pedal load
(gang 2)
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.
13B-142V1 MR-376-X76-13B000$110.mif
DIESEL INJECTION
Fault finding – Parameter summary table13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
Tool Parameter Diagnostic tool title
PR074Battery voltage
PR077EGR valve position sensor voltage (not applicable to K9K796 Euro 2)
PR080Rail pressure sensor voltage
PR089Vehicle speed
PR125Power used by the AC compressor
PR136EGR position (not applicable to K9K796 Euro 2)
PR148Pedal potentiometer voltage gang 2
PR175Vehicle speed/engine speed ratio
PR217Pedal load (gang 1)
PR218Pedal load (gang 2)
PR311Manifold air temperature
PR312Inlet manifold vacuum
PR313Linearised manifold pressure
PR315Linearised manifold air temperature
PR316Linearised sensor supply voltage
PR344Manifold pressure sensor voltage
PR400New EGR valve offset (not applicable to K9K796 Euro 2)
PR634Air flow request
13B-143
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$120.mif
13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
PR058AIR TEMPERATURE
NOTESSpecial notes:
This circuit is not present on vehicles equipped with K9K 790, 794 engines.
Only apply the checks if the parameter is inconsistent.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2 or
Symbol 2.
Check the condition of the air flowmeter connections, component code 799.
If the connector is faulty and there is a repair procedure (see Technical Note 6015A (Renault) or Technical Note
9804A (Dacia), Electrical wiring repair, Wiring: Precautions for repair), repair the connector, otherwise replace
the wiring.
If necessary, replace the air temperature/pressure sensor (see MR 388 (Logan/Sandero) or MR 451 (Duster),
Mechanical, 12A, Fuel mixture, Air flowmeter: Removal - Refitting).
Measure the resistance between connections 3B and 3DW of the air flowmeter.
If the resistance of the air temperature / pressure sensor is not:
(theoretical values)
41255 < X < 47492 at – 40°C,
14260 < X < 16022 at – 20°C,
5497 < X < 6050 at 0°C,
2353 < X < 2544 at 20°C,
1114 < X < 1186 at 40°C,
569 < X < 597 at 60°C,
310 < X < 322 at 80°C,
180 < X < 185 at 100°C,
replace the air temperature / pressure sensor (see MR388 (Logan/Sandero) or MR451 (Duster), Mechanical,
12A, Fuel mixture, Air flowmeter: Removal - Refitting).
DCM1.2_V08_PR058
DIESEL INJECTION
Fault finding – Interpretation of parameters
13B-144
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
V1 MR-376-X76-13B000$120.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
PR064COOLANT TEMPERATURE
NOTESSpecial notes:
Only apply the checks if the parameter is inconsistent.
Use the Wiring Diagrams Technical Note for Logan, Sandero, Duster, Thalia 2/
Symbol 2 or Kangoo VLL.
Check the condition of the coolant temperature sensor connections, component code 244.
If the connector is faulty and there is a repair procedure (see Technical Note 6015A (Renault) or Technical Note
9804A (Dacia), Electrical wiring repair, Wiring: Precautions for repair), repair the connector, otherwise replace
the wiring.
If necessary, replace the sensor.
Measure the resistance between connections 3C and 3JK of the coolant temperature sensor, component code
244:
If the resistance of the coolant temperature sensor is not:
(theoretical values)
11.5 < X < 13.5 at – 10°C,
2140 < X < 2364 at 25°C,
773 < X < 851 at 50°C,
275 < X < 291 at 80°C,
112 < X < 118 at 110°C,
Replace the coolant temperature sensor (see MR 388 (Logan/Sandero), MR 451 (Duster), MR 423 (Thalia 2/
Symbol 2) or MR 374 (Kangoo VLL), Mechanical, 19A Cooling, Coolant temperature sensor: Removal –
Refitting).
DCM1.2_V08_PR064
13B-153
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.
V1 MR-376-X76-13B000$150.mif
DIESEL INJECTION
Fault finding – Fault Finding Chart13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
ALP2
CONTINUED 1
Is the timing set correctly? Carry out the necessary repairs.
Visually check the condition of the engine wiring harness.
Does the starter motor operate correctly (minimum engine
speed = 200 rpm)?Carry out the necessary repairs.
Is the compression in order? Carry out the necessary repairs.
Using the diagnostic tool, check that the injector codes (C2I) are correctly entered on the identification screen.
If not, configure the correct injector codes using command SC002 Enter injector codes
Is PR038 Rail pressure less than 50 bar under + after
ignition feed?Apply the fault finding procedure for
DF007 Rail pressure sensor
circuit.
A
NO
YES
NO
YES
NO
YES
NO
B
YES
13B-175
AFTER REPAIRCarry out a road test followed by a check with the diagnostic tool.
V1 MR-376-X76-13B000$150.mif
DIESEL INJECTION
Fault finding – Fault Finding Chart13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
ALP 13 Excessive consumption
NOTESOnly address this customer complaint after a complete check with the diagnostic
tool.
Check that the fuel tank is correctly filled and that the appropriate fuel is used.
Apply TEST 13 Diesel fuel conformity check.
Check the levels of engine oil and coolant.Replace the fuel temperature sensor (see MR
388 (Logan/Sandero), MR 423 (Thalia 2/Symbol
2), MR 451 (Duster) or MR 374 (Kangoo VLL),
Mechanical, 13B, Diesel injection, Rail pressure
sensor: Removal - Refitting). Is the fuel temperature sensor leaking?
Check the low pressure circuit by running TEST 1 Low pressure circuit check.
Visually check that there are no leakages on the high pressure circuit by running TEST 7 High pressure circuit
sealing check.
Check the air inlet circuit by running TEST 5 Inlet circuit check.
Using the diagnostic tool, check that the injector codes (C2I) are correctly entered on the identification screen. If
not, configure the correct injector codes using command SC002 Enter injector codes
YES
NO
A
DCM1.2_V08_ALP13
13B-201V1 MR-376-X76-13B000$160.mif
DIESEL INJECTION
Fault finding – Tests13B
DCM 1.2 Injection
Program no.: 4C
Vdiag No.: 08
TEST 11
CONTINUED
High pressure circuit check
Note:
Depending on the vehicle type, the best visual access will be either
from above or from below.
Visually inspect the condition of the following components:
– the compressor outlet pipe to the turbocharging air cooler (the
turbocharging air cooler does not exist for all engines),
– outlet pipe of the turbocharging air cooler to the inlet manifold,
– inlet manifold,
– temperature and pressure sensors.
Is one of these components incorrect (disconnected, cut, bent,
pierced or kinked pipes)?Replace the faulty parts
(see MR 388 (Logan/
Sandero), MR 451
(Duster), MR 423 (Thalia
2/Symbol 2) or MR 374
(Kangoo VLL),
Mechanical, 12B,
Turbocharging). Exhaust system check
– Visually inspect the condition of the following engine sections:
– from the exhaust manifold circuit to the turbocharger turbine,
– from the turbine outlet pipe to the end of the exhaust pipe,
– from the inlet manifold to the EGR valve
– check that the temperature and pressure sensors are connected.
Do some of these components have black or white marks on
them?
Run TEST 10 Turbocharger solenoid valve check.
A
YES
NO
YES
NO