Page 25 of 198

13B-25
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF002
PRESENTAIR TEMPERATURE SENSOR CIRCUITCO.1: Open circuit or short circuit to + 12 volts.
CC.0: Short circuit to earth.
1.DEF: inconsistency.
NOTESNone.
Check the connection and condition of the 4-track connector of the air temperature sensor.
Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B.
Repair if necessary.
Check for the +5 V after ignition feed between track 3 and track 1 earth on the air temperature sensor
connector.
Repair if necessary.
Measure the resistance of the air temperature sensor between tracks 2 and 3.
Replace the air temperature sensor if the resistance is not:
7419 Ω ± 365 Ω at -5°C.
5887 Ω ± 282 Ω at 0°C.
4707 Ω ± 220 Ω at 5°C.
3791 Ω ± 173 Ω at 10°C.
3075 Ω ± 137 Ω at 15°C.
2510 Ω ± 113 Ω at 20°C.
2063 Ω ± 87 Ω at 25°C.
1716 Ω ± 71 Ω at 30°C.
Check the insulation, continuity and the absence of interference resistance on the following connections:
Sensor connector track 2 Track J1 computer connector B
Sensor connector track 3 Track C1 computer connector B
Sensor connector track 4 Track C2 computer connector B
Sensor connector track 1 Track C3 computer connector B
Repair if necessary.
If the fault is still present, replace the air temperature sensor.
DDCR_V44_DF002P/DDCR_V48_DF002P
Page 26 of 198
13B-26
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF003
PRESENTATMOSPHERIC PRESSURE SENSOR CIRCUITCO.0: Open circuit or short circuit to earth.
CC.1: Short circuit to +12 volts.
NOTESNone.
Contact the Techline.
DDCR_V44_DF003P/DDCR_V48_DF003P
Page 27 of 198

13B-27
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF005
PRESENT
OR
STOREDENGINE SPEED SENSOR CIRCUIT1.DEF: Inconsistency.
2.DEF: No signal.
3.DEF: Too many additional teeth.
4.DEF: Teeth missing.
5.DEF: Additional teeth.
6.DEF: Too many teeth missing.
NOTESSpecial notes:
If 1.DEF, 2.DEF, 3.DEF, 6.DEF present: the engine stops and the level 1 warning
light illuminates along with the message Faulty injection.
If 4.DEF, 5.DEF, the engine performance is 75%, no warning light illuminates.
Conditions for applying the fault finding procedure to a stored fault:
the fault is present with the engine under the starter or idling.
Check the connection and condition of the 2-track connector of the engine speed sensor. Repair if necessary.
Ensure the sensor is correctly fitted on the engine.
Check the connection and condition of the computer 48-track brown connector B.
Repair if necessary.
Measure the resistance at the engine speed sensor terminals.
Replace the engine speed sensor if the resistance is not:
– for 80hp versions (K9K 722): 800 Ω ± 80 Ω at 20°C
– for 100hp versions (K9K 728/729): 680 Ω ± 68 Ω at 20°C
Check the insulation, continuity and the absence of interference resistance on the following connections:
Sensor connector track A Track F2 computer connector B
Sensor connector track BTrack F3 computer connector B
Repair if necessary.
Check that the flywheel ring gear is not defective (missing teeth).
DDCR_V44_DF005P/DDCR_V48_DF005P
Page 28 of 198

13B-28
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF007
STOREDRAIL PRESSURE SENSOR CIRCUIT
CC.0: Short circuit to earth.
CO.1: Open circuit or short circuit to + 12 volts.
1.DEF: inconsistency.
2.DEF: Below minimum threshold.
3.DEF: Above maximum threshold.
NOTESPriority when dealing with a number of faults:
– Deal with fault DF113 Sensor supply voltage first.
Conditions for applying the fault finding procedure to a stored fault:
The fault is declared present after the engine is started.
Special notes: if DF007, the engine stops and cannot be restarted, and the level 1
warning light illuminates along with the message Faulty injection.
Check the connection and condition of the 3-track connector of the rail pressure sensor.
Repair if necessary.
Check the connection and condition of the computer 48-track brown connector B.
Repair if necessary.
Check the insulation, continuity and the absence of interference resistance on the following connections:
Sensor connector track 2 Track D3 computer connector B
Sensor connector track 1Track D2 computer connector B
Sensor connector track 3 Track D1 computer connector B
Repair if necessary.
If the fault is still present, there is a rail pressure sensor fault, replace the rail.
DDCR_V44_DF007M/DDCR_V48_DF007M
Page 29 of 198

13B-29
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF008
PRESENTPEDAL POTENTIOMETER CIRCUIT GANG 1
CO.0: Open circuit or short circuit to earth.
CC.1: Short circuit to +12 volts.
1.DEF: Inconsistency between pedal gang 1 and gang 2.
2.DEF: No signal.
3.DEF: Jammed component.
NOTESPriority when dealing with a number of faults:
– Deal with fault DF113 Sensor supply voltage first.
Special notes:
If DF008: the engine speed is maintained above 1000 rpm,
the level 1 warning light illuminates along with the message Faulty injection.
If DF008 and DF009: the engine speed is fixed at 1300 rpm and the level 1 warning
light illuminates along with the message Faulty injection.
1.DEF
3.DEF
NOTESNone.
Disconnect computer connector A and the pedal potentiometer connector.
Check the insulation between track H2 and track F3 on computer connector A.
Repair if necessary.
Replace the pedal potentiometer if the fault is still present.
DDCR_V44_DF008P/DDCR_V48_DF008P
Page 30 of 198

13B-30
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF008
CONTINUED
CC.0
CC.1
2.DEF
NOTESNone.
Check the connection and condition of the 6-track connector for the pedal potentiometer.
Repair if necessary.
Check the connection and condition of the black 32-track computer connector A.
Repair if necessary.
Measure the resistance between tracks 3 and 5 of the pedal potentiometer.
Replace the pedal potentiometer if the resistance is not 1.7 kΩ ± 0.9 kΩ.
Check the insulation, continuity and the absence of interference resistance on the following connections:
Sensor connector track 3 Track G2 computer connector A
Sensor connector track 4 Track H2 computer connector A
Sensor connector track 5 Track H3 computer connector A
Repair if necessary.
Disconnect computer connector A and the pedal potentiometer connector.
Check the insulation between track H2 and track F3 on computer connector A.
Repair if necessary.
Replace the pedal potentiometer if the fault is still present.
Page 31 of 198

13B-31
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF009
PRESENTPEDAL POTENTIOMETER CIRCUIT GANG 2CO.0: Open circuit or short circuit to earth.
CC.1: Short circuit to +12 volts.
NOTESPriority when dealing with a number of faults:
– Deal with fault DF122 Potentiometer gang 2 supply voltage first.
Special notes: if fault DF009: the engine speed is maintained above 1000 rpm and
the level 1 warning light illuminates along with the message Faulty injection.
If DF009 and DF008: the engine speed fixed at 1300 rpm and the level 1 warning
light illuminates along with the message Faulty injection.
CC.0
NOTESNone.
Check the connection and condition of the 6-track connector for the pedal potentiometer.
Repair if necessary.
Check the connection and condition of the black 32-track computer connector A.
Repair if necessary.
Measure the resistance between tracks 2 and 6 of the pedal potentiometer.
Replace the pedal potentiometer if the resistance is not 2.85 kΩ +
2.05 kW.
Disconnect computer connector A and the pedal potentiometer connector.
Check the insulation from earth on track F3 of computer connector A.
Repair if necessary.
Check the continuity of the connection between:
Sensor connector track 1 Track F3 computer connector A
Repair if necessary.
DDCR_V44_DF009P/DDCR_V48_DF009P
Page 32 of 198

13B-32
AFTER REPAIRDeal with any faults displayed by the diagnostic tool. Clear the computer fault memory.
Carry out a road test followed by another check with the diagnostic tool.
V4 MR-372-J84-13B000$061.mif
DIESEL INJECTION
Fault finding – Interpretation of faults13B
DDCR INJECTION
Vdiag No.: 44, 48
DF009
CONTINUED
CC.0NOTESNone.
Check the connection and condition of the 6-track connector for the pedal potentiometer.
Repair if necessary.
Check the connection and condition of the black 32-track computer connector A.
Repair if necessary.
Measure the resistance between tracks 2 and 6 of the pedal potentiometer.
Replace the pedal potentiometer if the resistance is not 2.85 kΩ +
2.05 kΩ.
Check the continuity, insulation, and the absence of interference resistance on the following connection:
Sensor connector track 2 Track F2 computer connector A
Repair if necessary.
Disconnect computer connector A and the pedal potentiometer connector.
Check the insulation against the 12 V feed of tracks F2 and F3 on computer connector A.
Repair if necessary.
Check the continuity of the following connections:
Sensor connector track 2 Track F2 computer connector A
Sensor connector track 6 Track F4 computer connector A
Repair if necessary.
Disconnect computer connector A and the pedal potentiometer connector.
Check the insulation between track F2 and track F3 on computer connector A.
Repair if necessary.