10-014
TROUBLESHOOTING
J1939-73
Description
DTC Description
Diagnosis
SPN
FMI
723
2
Camshaft position sensor
(G sensor) abnormal
G sensor pulse count abnormal
Open circuit in sensor/harness,
short-circuited
Sensor failure
•
•
8
G sensor pulse not inputted
1077
2
ECU flash ROM and CPU
abnormal
ECU CPU abnormal
(main IC abnormal)
CPU failure
•
1239
1
Fuel leakage
(high pressure fuel system)
Fuel leakage
(high pressure fuel system)
Fuel leakage from high pressure
fuel system (when detected
excessive fuel consumption,
calculating from difference of fuel
rail pressure before and after
fuel injection)
•
1347
3
SCV abnormal
SCV +B short-circuit
Short circuit in SCV +B
•
4
SCV driving system abnormal
Open circuit in SCV, ground fault
•
7
SCV sticking
SCV sticking diagnosis
SCV sticks while open (when
detected condition that actual
rail pressure constantly exceeds
command rail pressure)
•
1485
2
Main relay abnormal
Main relay abnormal
Main relay failure
•
3242
0
Exhaust temperature rise
abnormal T1
Exhaust temperature rise
abnormal T1
DPF inlet temperature (T1)
abnormally high
•
3
Exhaust temperature
sensor 1 (T1: DOC outlet)
abnormal
Exhaust temperature sensor 1
(T1: DOC outlet) High
Open circuit in sensor/harness,
+B short-circuited
•
4
Exhaust temperature sensor 1
(T1: DOC outlet) Low
Short circuit in sensor/harness
ground
•
3246
0
Exhaust temperature rise
abnormal T2
Exhaust temperature rise
abnormal T2
DPF outlet temperature (T2)
abnormally high
•
3
Exhaust temperature
sensor 2 (T2: DPF outlet)
abnormal
Exhaust temperature sensor 2
(T2: DPF outlet) High
Open circuit in sensor/harness,
+B short-circuited
•
4
Exhaust temperature sensor 2
(T2: DPF outlet) Low
Short circuit in sensor/harness
ground
•
3251
3
Differential pressure sensor
abnormal
Differential pressure sensor
abnormal High
Open circuit in sensor/harness,
+B short-circuited
•
4
Differential pressure sensor
abnormal Low
Short circuit in sensor/harness
ground
•
3252
0
DOC reaction abnormal
(exhaust gas abnormal)
DOC reaction abnormal
(exhaust gas abnormal)
DOC temperature abnormally
high due to unburned gas
•
3509
3
Sensor voltage 1 abnormal
Sensor supply voltage 1 High
Sensor supply voltage 1
abnormal or recognition
abnormal
•
4
Sensor supply voltage 1 Low
3510
3
Sensor supply voltage 2
abnormal
Sensor supply voltage 2 High
Sensor supply voltage 2
abnormal or recognition
abnormal
•
4
Sensor supply voltage 2 Low
3701
0
PM accumulation abnormal
level 5
PM accumulation abnormal
level 5
PM (estimated) accumulation
quantity excessive level 5
•
15 PM accumulation abnormal
level 3
PM accumulation abnormal
level 3
PM (estimated) accumulation
quantity excessive level 3
•
16 PM accumulation abnormal
level 4
PM accumulation abnormal
level 4
PM (estimated) accumulation
quantity excessive level 4
•
Содержание R2-4
Страница 1: ...R2 4 SHOP MANUAL 3498 6634A 0...
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Страница 12: ......
Страница 13: ...SAFETY...
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Страница 23: ...SPECIFICATIONS...
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Страница 43: ...ENGINE AND CONTROLS...
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Страница 51: ...HYDRAULIC SYSTEMS...
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Страница 83: ...ELECTRICAL SYSTEM...
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Страница 121: ...DRUM...
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Страница 129: ...BRAKE...
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Страница 135: ...WATER SPRAY SYSTEM...
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Страница 139: ...INSPECTION AND ADJUSTMENT...
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Страница 159: ...TROUBLESHOOTING...
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