Page 392 of 510

13B-392V12 MR-372-J84-13B300$122.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR406CYLINDER NO. 3 FUEL FLOW CORRECTION
PARAMETER
DEFINITIONThis parameter indicates the cylinder's fuel flow correction in mg/st.
NOTESNone.
Conformity check with engine stopped and ignition on.
The cylinder fuel flow correction value must be:
PR406 = 0.0 mg/st.
In the event of a fault, consult Test 10 Poor injector operation.
Conformity check with the engine running and engine coolant temperature > 80°C
The cylinder fuel flow correction value must be between:
– 6 mg/st < PR406 < 6 mg/st.
In the event of a fault, consult Test 10.
EDC16CP33_V18_PR406 / EDC16CP33_V1C_PR406 / EDC16CP33_V54_PR406 / EDC16CP33_V20_PR406 / EDC16CP33_V58_PR406 /
EDC16CP33_V5C_PR406 / EDC16CP33_V24_PR406 / EDC16CP33_V04_PR406 / EDC16CP33_V08_PR406 / EDC16CP33_V44_PR406 /
EDC16CP33_V4C_PR406 / EDC16CP33_V34_PR406 / EDC16CP33_V38_PR406 / EDC16CP33_V74_PR406 / EDC16CP33_V28_PR406 /
EDC16CP33_V62_PR406 / EDC16CP33_V26_PR406 / EDC16CP33_V60_PR406
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 393 of 510
13B-393V12 MR-372-J84-13B300$122.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR412DISTANCE AT LAST SUCCESSFUL REGENERATION
PARAMETER
DEFINITIONThis parameter indicates the distance at the last successful regeneration in miles (km).
NOTESNone.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
This parameter indicates the vehicle's mileage at the last successful regeneration.
EDC16CP33_V18_PR412 / EDC16CP33_V1C_PR412 / EDC16CP33_V54_PR412 / EDC16CP33_V20_PR412 / EDC16CP33_V58_PR412 /
EDC16CP33_V5C_PR412 / EDC16CP33_V24_PR412 / EDC16CP33_V28_PR412 / EDC16CP33_V62_PR412 / EDC16CP33_V26_PR412 /
EDC16CP33_V60_PR412
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
EDC16CP33
Program No.: C4
Vdiag No.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
Page 394 of 510

13B-394V12 MR-372-J84-13B300$122.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
diff.*: differential
PR414PARTICLE FILTER DIFF* PRESSURE
PARAMETER
DEFINITIONThis parameter indicates the particle filter differential pressure in mbar.
NOTESNone.
Conformity check: Engine stopped and ignition on
The value of the particle filter differential pressure must be between:
- 1 mbar < PR414 < 1 mbar
In the event of a fault, refer to the interpretation of fault DF315 Particle filter diff* pressure sensor.
Conformity check with the engine running and engine coolant temperature > 80°C
The value of the particle filter differential pressure must be between:
10 mbar < PR414 < 100 mbar
In the event of a fault, refer to the interpretation of fault DF315.
EDC16CP33_V18_PR414 / EDC16CP33_V1C_PR414 / EDC16CP33_V54_PR414 / EDC16CP33_V20_PR414 / EDC16CP33_V58_PR414 /
EDC16CP33_V5C_PR414 / EDC16CP33_V24_PR414 / EDC16CP33_V28_PR414 / EDC16CP33_V62_PR414 / EDC16CP33_V26_PR414 /
EDC16CP33_V60_PR414
EDC16CP33
Program No.: C4
Vdiag No.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 395 of 510
13B-395V12 MR-372-J84-13B300$122.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR415TIME SINCE LAST REGENERATION
PARAMETER
DEFINITIONThis parameter indicates the time since the last regeneration in hours.
NOTESNone.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
Time counter since last regeneration in hours.
EDC16CP33_V18_PR415 / EDC16CP33_V1C_PR415 / EDC16CP33_V54_PR415 / EDC16CP33_V20_PR415 / EDC16CP33_V58_PR415 /
EDC16CP33_V5C_PR415 / EDC16CP33_V24_PR415 / EDC16CP33_V28_PR415 / EDC16CP33_V62_PR415 / EDC16CP33_V26_PR415 /
EDC16CP33_V60_PR415
EDC16CP33
Program No.: C4
Vdiag No.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 396 of 510

13B-396V12 MR-372-J84-13B300$122.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
OCR*: Opening Cyclic Ratio
PR484FUEL REGULATION SOLENOID VALVE OCR*
PARAMETER
DEFINITIONThis parameter indicates the solenoid valve opening ratio as a %.
Conformity check with engine stopped and ignition on.
The value of the solenoid valve opening ratio must be:
PR484 = 0%.
In the event of a fault, consult the interpretation of DF897 Pump pressure regulator circuit.
Conformity check: Engine running, engine coolant temperature > 80°C
The solenoid valve opening value must be between:
30% < PR484 < 40%.
In the event of a fault, refer to the interpretation of fault DF897.
EDC16CP33_V18_PR484 / EDC16CP33_V1C_PR484 / EDC16CP33_V54_PR484 / EDC16CP33_V20_PR484 / EDC16CP33_V58_PR484 /
EDC16CP33_V5C_PR484 / EDC16CP33_V24_PR484 / EDC16CP33_V04_PR484 / EDC16CP33_V08_PR484 / EDC16CP33_V44_PR484 /
EDC16CP33_V4C_PR484 / EDC16CP33_V34_PR484 / EDC16CP33_V38_PR484 / EDC16CP33_V74_PR484 / EDC16CP33_V28_PR484 /
EDC16CP33_V62_PR484 / EDC16CP33_V26_PR484 / EDC16CP33_V60_PR484
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 397 of 510

13B-397V12 MR-372-J84-13B300$122.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR490ENGINE AIR FLOW
PARAMETER
DEFINITIONThis parameter indicates the air flow entering the engine in mg/st.
NOTESNone.
Conformity check: Engine stopped and ignition on
The inlet air flow value must be:
PR490 = 0 mg/st.
Conformity check with the engine running and engine coolant temperature > 80°C
The inlet air flow value must be:
PR490 ± 500 mg/st.
EDC16CP33_V18_PR490 / EDC16CP33_V1C_PR490 / EDC16CP33_V54_PR490 / EDC16CP33_V20_PR490 / EDC16CP33_V58_PR490 /
EDC16CP33_V5C_PR490 / EDC16CP33_V24_PR490 / EDC16CP33_V04_PR490 / EDC16CP33_V08_PR490 / EDC16CP33_V44_PR490 /
EDC16CP33_V4C_PR490 / EDC16CP33_V34_PR490 / EDC16CP33_V38_PR490 / EDC16CP33_V74_PR490 / EDC16CP33_V28_PR490 /
EDC16CP33_V62_PR490 / EDC16CP33_V26_PR490 / EDC16CP33_V60_PR490
EDC16CP33
Program No.: C4
Vdiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 398 of 510
13B-398V12 MR-372-J84-13B300$122.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR667TURBINE UPSTREAM TEMPERATURE
PARAMETER
DEFINITIONThis parameter indicates the turbine upstream temperature in °C.
NOTESNone.
Conformity check: Engine stopped and ignition on, or Engine running and engine coolant
temperature > 80°C
The value of the turbine upstream air temperature must be:
PR667 ≈ 200°C.
In the event of a fault, refer to the interpretation of fault DF652 Turbine upstream temperature sensor circuit.
EDC16CP33_V18_PR667 / EDC16CP33_V1C_PR667 / EDC16CP33_V54_PR667 / EDC16CP33_V20_PR667 / EDC16CP33_V58_PR667 /
EDC16CP33_V5C_PR667 / EDC16CP33_V24_PR667 / EDC16CP33_V28_PR667 / EDC16CP33_V62_PR667 / EDC16CP33_V26_PR667 /
EDC16CP33_V60_PR667
EDC16CP33
Program No.: C4
Vdiag No.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
Page 399 of 510
13B-399V12 MR-372-J84-13B300$122.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR668TURBINE UPSTREAM TEMPERATURE SENSOR VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the turbine upstream temperature sensor voltage in volts.
NOTESNone.
Conformity check with engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
The turbine upstream temperature sensor voltage value must be between:
PR668 ≈ 5 V.
In the event of a fault, consult the interpretation of fault DF652 Turbine upstream temperature sensor circuit.
EDC16CP33_V18_PR668 / EDC16CP33_V1C_PR668 / EDC16CP33_V54_PR668 / EDC16CP33_V20_PR668 / EDC16CP33_V58_PR668 /
EDC16CP33_V5C_PR668 / EDC16CP33_V24_PR668 / EDC16CP33_V28_PR668 / EDC16CP33_V62_PR668 / EDC16CP33_V26_PR668 /
EDC16CP33_V60_PR668
EDC16CP33
Program No.: C4
Vdiag No.: 18, 1C, 20, 24,
26, 28, 54, 58, 5C, 60, 62
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.