Page 360 of 510

13B-360
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR074BATTERY VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the battery voltage in volts.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
The battery voltage value must be between:
8.5 V < PR074 < 15 V.
Test the battery and run fault finding on the charging circuit (see Technical Note 6014A, Charging circuit check).
EDC16CP33_V18_PR074 / EDC16CP33_V1C_PR074 / EDC16CP33_V54_PR074 / EDC16CP33_V20_PR074 / EDC16CP33_V58_PR074 /
EDC16CP33_V5C_PR074 / EDC16CP33_V24_PR074 / EDC16CP33_V04_PR074 / EDC16CP33_V08_PR074 / EDC16CP33_V44_PR074 /
EDC16CP33_V4C_PR074 / EDC16CP33_V34_PR074 / EDC16CP33_V38_PR074 / EDC16CP33_V74_PR074 / EDC16CP33_V28_PR074 /
EDC16CP33_V62_PR074 / EDC16CP33_V26_PR074 / EDC16CP33_V60_PR074
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 361 of 510

13B-361
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR077EGR VALVE POSITION SENSOR VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the EGR valve position sensor voltage in volts.
NOTESNone.
Conformity check: Engine stopped and ignition on
The EGR valve position sensor voltage value must be between:
0 < PR077 < 1.5 V
The default value is: X = 0 V
In the event of a fault, refer to the interpretation of fault DF012 Sensor supply voltage no. 2.
Engine running, engine coolant temperature > 80°C, with no electrical consumers
The EGR valve position sensor voltage value must be between:
0 V < PR077 < 5 V
The default value is: X = 0 V
In the event of a fault, refer to the interpretation of fault DF012.
EDC16CP33_V18_PR077 / EDC16CP33_V1C_PR077 / EDC16CP33_V54_PR077 / EDC16CP33_V20_PR077 / EDC16CP33_V58_PR077 /
EDC16CP33_V5C_PR077 / EDC16CP33_V24_PR077 / EDC16CP33_V04_PR077 / EDC16CP33_V08_PR077 / EDC16CP33_V44_PR077 /
EDC16CP33_V4C_PR077 / EDC16CP33_V34_PR077 / EDC16CP33_V38_PR077 / EDC16CP33_V74_PR077 / EDC16CP33_V28_PR077 /
EDC16CP33_V62_PR077 / EDC16CP33_V26_PR077 / EDC16CP33_V60_PR077
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 362 of 510

13B-362
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR079ATMOSPHERIC PRESSURE SENSOR VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the atmospheric pressure sensor voltage in volts.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
The value of the atmospheric pressure sensor voltage must be between:
0 V < PR079 < 5 V.
In the event of a fault, consult the interpretation of faults DF011 Sensor supply no. 1 voltage, DF012 Sensor
supply no. 2 voltage, and DF013 Sensor supply no. 3 voltage.
EDC16CP33_V18_PR079 / EDC16CP33_V1C_PR079 / EDC16CP33_V54_PR079 / EDC16CP33_V20_PR079 / EDC16CP33_V58_PR079 /
EDC16CP33_V5C_PR079 / EDC16CP33_V24_PR079 / EDC16CP33_V04_PR079 / EDC16CP33_V08_PR079 / EDC16CP33_V44_PR079 /
EDC16CP33_V4C_PR079 / EDC16CP33_V34_PR079 / EDC16CP33_V38_PR079 / EDC16CP33_V74_PR079 / EDC16CP33_V28_PR079 /
EDC16CP33_V62_PR079 / EDC16CP33_V26_PR079 / EDC16CP33_V60_PR079
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 363 of 510

13B-363
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR080RAIL PRESSURE SENSOR VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the rail pressure sensor voltage in volts.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
The value of the rail position sensor voltage must be between:
0 V
In the event of a fault, refer to the interpretation of fault DF013 Sensor feed voltage no. 3.
EDC16CP33_V18_PR080 / EDC16CP33_V1C_PR080 / EDC16CP33_V54_PR080 / EDC16CP33_V20_PR080 / EDC16CP33_V58_PR080 /
EDC16CP33_V5C_PR080 / EDC16CP33_V24_PR080 / EDC16CP33_V04_PR080 / EDC16CP33_V08_PR080 / EDC16CP33_V44_PR080 /
EDC16CP33_V4C_PR080 / EDC16CP33_V34_PR080 / EDC16CP33_V38_PR080 / EDC16CP33_V74_PR080 / EDC16CP33_V28_PR080 /
EDC16CP33_V62_PR080 / EDC16CP33_V26_PR080 / EDC16CP33_V60_PR080
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 364 of 510

13B-364
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR082FUEL TEMPERATURE SENSOR VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the fuel temperature sensor voltage in volts.
NOTESNone.
Conformity check: Engine stopped and ignition on, or Engine running and engine coolant
temperature > 80°C without electrical consumers
0 V < PR082 < 5 V
In the event of a fault, consult the interpretation of fault DF098 Fuel temperature sensor circuit.
EDC16CP33_V18_PR082 / EDC16CP33_V1C_PR082 / EDC16CP33_V54_PR082 / EDC16CP33_V20_PR082 / EDC16CP33_V58_PR082 /
EDC16CP33_V5C_PR082 / EDC16CP33_V24_PR082 / EDC16CP33_V04_PR082 / EDC16CP33_V08_PR082 / EDC16CP33_V44_PR082 /
EDC16CP33_V4C_PR082 / EDC16CP33_V34_PR082 / EDC16CP33_V38_PR082 / EDC16CP33_V74_PR082 / EDC16CP33_V28_PR082 /
EDC16CP33_V62_PR082 / EDC16CP33_V26_PR082 / EDC16CP33_V60_PR082
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 365 of 510

13B-365
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR083AIR TEMPERATURE SENSOR VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the air temperature sensor voltage in volts.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
The value of the air temperature sensor voltage must be between:
0 V < PR083 < 5 V.
In the event of a fault, consult the interpretation of faults DF011 Sensor supply voltage no. 1, DF012 Sensor
supply voltage no. 2 and DF013 Sensor supply voltage no. 3.
EDC16CP33_V18_PR083 / EDC16CP33_V1C_PR083 / EDC16CP33_V54_PR083 / EDC16CP33_V20_PR083 / EDC16CP33_V58_PR083 /
EDC16CP33_V5C_PR083 / EDC16CP33_V24_PR083 / EDC16CP33_V04_PR083 / EDC16CP33_V08_PR083 / EDC16CP33_V44_PR083 /
EDC16CP33_V4C_PR083 / EDC16CP33_V34_PR083 / EDC16CP33_V38_PR083 / EDC16CP33_V74_PR083 / EDC16CP33_V28_PR083 /
EDC16CP33_V62_PR083 / EDC16CP33_V26_PR083 / EDC16CP33_V60_PR083
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 366 of 510

13B-366
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR084COOLANT TEMPERATURE SENSOR VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the coolant temperature sensor voltage in volts.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
The value of the coolant temperature sensor voltage must be between:
0 V < PR084 < 5 V.
In the event of a fault, refer to the interpretation of DF001 Coolant temperature sensor circuit.
EDC16CP33_V18_PR084 / EDC16CP33_V1C_PR084 / EDC16CP33_V54_PR084 / EDC16CP33_V20_PR084 / EDC16CP33_V58_PR084 /
EDC16CP33_V5C_PR084 / EDC16CP33_V24_PR084 / EDC16CP33_V04_PR084 / EDC16CP33_V08_PR084 / EDC16CP33_V44_PR084 /
EDC16CP33_V4C_PR084 / EDC16CP33_V34_PR084 / EDC16CP33_V38_PR084 / EDC16CP33_V74_PR084 / EDC16CP33_V28_PR084 /
EDC16CP33_V62_PR084 / EDC16CP33_V26_PR084 / EDC16CP33_V60_PR084
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74
Page 367 of 510

13B-367
AFTER REPAIRCarry out a road test, then check with the diagnostic tool.
V12 MR-372-J84-13B300$121.mif
DIESEL INJECTION
Fault finding – Interpretation of parameters13B
PR086PEDAL POTENTIOMETER GANG 1 VOLTAGE
PARAMETER
DEFINITIONThis parameter indicates the pedal potentiometer gang 1 voltage in volts.
NOTESSpecial notes:
Only perform these tests if the parameters do not correspond with the system
operation programming.
Conformity check: Engine stopped and ignition on, or engine running, and engine coolant
temperature > 80°C
The value of the pedal potentiometer gang 1 voltage must be between:
0.70 V < PR086 < 0.80 V (accelerator pedal released).
IMPORTANT:
This corresponds to normal operation.
EDC16CP33_V18_PR086 / EDC16CP33_V1C_PR086 / EDC16CP33_V54_PR086 / EDC16CP33_V20_PR086 / EDC16CP33_V58_PR086 /
EDC16CP33_V5C_PR086 / EDC16CP33_V24_PR086 / EDC16CP33_V04_PR086 / EDC16CP33_V08_PR086 / EDC16CP33_V44_PR086 /
EDC16CP33_V4C_PR086 / EDC16CP33_V34_PR086 / EDC16CP33_V38_PR086 / EDC16CP33_V74_PR086 / EDC16CP33_V28_PR086 /
EDC16CP33_V62_PR086 / EDC16CP33_V26_PR086 / EDC16CP33_V60_PR086
EDC16CP33
Program No.: C4
VDiag No.: 04, 08, 18, 1C,
20, 24, 26, 28, 34, 38, 44,
4C, 54, 58, 5C, 60, 62, 74