TROUBLESHOOTING
142
JH Series Operation Manual
FAILSAFE DIAGNOSIS FUNCTIONAL SPECIFICATION
CHART
Failsafe Actions
Level 1 (LV1): Reduce engine speed to 2400 min
-1
or less
Level 2 (LV2): Reduce engine speed to 1600 min
-1
or less
Level 3 (LV3): Reduce engine speed to 1000 min
-1
Level 4 (LV4): Reduce engine speed to low idle
LCD
DTC
SPN
FMI
With
FFD
DTC Description
Failsafe Action
Level
1
Level
2
Level
3
Level
4
ENG
Stop
Note
Eng
ine-ECU
CHK ENG P000F
157
16
-
Rail Pressure Limit Valve Open
-
-
-
-
CHK ENG P0088
157
0
Rail Pressure Too High - Exceed
the limit
-
-
-
-
CHK ENG P0093
157
15
Rail Pressure Deviation Error -
Higher Than The Target
-
-
-
-
CHK ENG P0094
157
18
Rail pressure Deviation Error -
Lower Than The Target
-
-
-
-
Suspicious Fuel Leak on
the high pressure line
CHK ENG P0117
110
4
-
Coolant Temperature Sensor
Error - High Range
-
-
-
-
-
Engine is still
operational.
Suspicious Broken
sensor or wire
CHK ENG P0118
110
3
-
Coolant Temperature Sensor
Error - Low Range
-
-
-
-
-
AC1 ERR P0122
91
4
-
Main Analog Throttle Sensor 1
Error - Low Range
-
-
-
-
-
One signal of the dual
throttle sensor is out of
limit.
AC1 ERR P0123
91
3
-
Main Analog Throttle Sensor 1
Error - High Range
-
-
-
-
-
AC2 ERR P0222
28
4
-
Main Analog Throttle Sensor 2
Error - Low Range
-
-
-
-
-
AC2 ERR P0223
28
3
-
Main Analog Throttle Sensor 2
Error - High Range
-
-
-
-
-
AC1 ERR
AC2 ERR
P0223
P0222
91
28
4
4
-
Main Analog Throttle Sensor 1
Error - Low Range
Main Analog Throttle Sensor 2
Error - Low Range
-
-
-
-
Both signal of the dual
throttle sensor are out of
limit
AC1 ERR
AC2 ERR
P0123
P0122
91
28
3
3
-
Main Analog Throttle Sensor 1
Error - High Range
Main Analog Throttle Sensor 2
Error - High Range
-
-
-
-
CHK ENG P0168
174
0
Fuel Temperature Too High
-
-
-
-
Suspicious insufficient
fuel in the fuel tank
CHK ENG P0182
174
4
-
Fuel Temperature Sensor Error -
Low Range
-
-
-
-
-
Engine is still
operational.
Suspicious Broken
sensor or wire, poor
connection
CHK ENG P0183
174
3
-
Fuel Temperature Sensor Error -
High Range
-
-
-
-
-
CHK ENG P0192
157
4
-
Rail Pressure Sensor Error - Low Range
-
-
-
- Suspicious Broken
sensor or wire, poor
connection
CHK ENG P0193
157
3
-
Rail pressure Sensor Error - High Range
-
-
-
-
CHK ENG P0201
651
5
-
Injector 1 - Open Circuit
-
-
-
- Suspicious Broken
injector or wire, poor
connection
CHK ENG P0202
652
5
-
Injector 2 - Open Circuit
-
-
-
-
CHK ENG P0203
653
5
-
Injector 3 - Open Circuit
-
-
-
-
CHK ENG P0204
654
5
-
Injector 4 - Open Circuit
-
-
-
-
OV HEAT P0217
110
0
Engine Coolant Temperature Too High
-
-
-
-
OV REV P0219
190
0
Engine Overspeed Condition
-
-
-
-
-
P0227
29
4
-
Sub Throttle Sensor Error - Low Range
-
-
-
-
- (When Backup Panel is
operated only)
-
P0228
29
3
-
Sub Throttle Sensor Error - High Range
-
-
-
-
-
bOOST
P0234
102
0
Boost Pressure Too High
-
-
-
-
CHK ENG P0237
102
4
-
Boost Pressure Sensor Error - Low Range
-
-
-
-
- Engine is still operational.
Suspicious Broken sensor or
wire
CHK ENG P0238
102
3
-
Boost pressure Sensor Error - High Range -
-
-
-
-
3JH40_4JH45_4JH57_4JH80_4JH110_EN_OPM.book 142 ページ 2022年9月22日 木曜日 午後6時17分