Kubota WG1605-E3 Diagnostic Manual page 123

WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, DM
DTC
Name Power Relay Control/Coil
DTC Name Power Relay Coil Short-To-Power
SPN
J1939
FMI
MIL
• Shorted relay pull in coil
Detected Item • relay driver circuit shorted to
voltage in wire harness
DTC Set • Key On, Engine Off
Preconditions
DTC Set • Power relay coil output short to
Conditions power/voltage
Period for • 10 samples
Judgment or
Number of
Occurrence
for Judgment
System • None
Action
Engine
OFF
Warning Light
DTC
Name FPP
FPP1/2 Simultaneous Voltages
DTC Name
Out-of-Range
SPN
J1939
FMI
MIL
• Wiring harness open/short/damage
• FPP malfunction
Detected Item
DTC Set • Key on, Engine Off
Preconditions
• User same parameter as individual
FPP 1/2 voltage fault detection
above
DTC Set
Conditions
Period for • 0.5 sec
Judgment or
Number of
Occurrence
for Judgment
• Power Derate 2
System
• Low Rev Limit
Action
• Force Idle
Engine
OFF
Warning Light
687
Engine Speed
RPM Above Fuel Rev Limit Level
1485
3
ON
• Engine overspeed condition, faulty
Crank sensor or input
• Engine Running
• RPM > 4200 min
• 1 sec
• disable fuel injectors or gaseous
fuel control actuator
ON
1121
Closed Loop
Closed Loop High (LPG)
91
31
ON
• exhaust leaks upstream or near the
HEGO sensor
• reduced fuel supply pressure to the
gaseous fuel control system
• a fuel supply or manifold leak
• a non-responsive HEGO sensor
• Engine Running, Closed Loop
Mode
• CL_BM > 35 %
• and RPM >= 0 min
• and RPM <= 9999 min
• and MAP >= 0.0 kPa [abs]
(0.0 kgf/cm
• and MAP <= 682 kPa [abs]
(6.96 kgf/cm
• Power Derate2
• 5 updates
• CL Disable
• AL Disable KC
ON
1-113
1111
Engine Speed
RPM Above Spark Rev Limit Level
515
16
ON
• Engine overspeed condition, faulty
Crank sensor or input
• Engine Running
-1
(rpm) • RPM > 4300 min
• 1 sec
• disable ignition coils
ON
1151
Closed Loop
Closed Loop Low (LPG)
4236
0
ON
• high fuel supply pressure to the
gaseous fuel control or faulty
pressure regulator
• a non-responsive HEGO sensor
• Engine Running, Closed Loop
Mode
• CL_BM < 35 %
-1
(rpm) • and RPM >= 0 min
-1
(rpm) • and RPM <= 9999 min
• and MAP >= 0.0 kPa [abs]
2
, 0.0 psia) (0.0 kgf/cm
• and MAP <= 682 kPa [abs]
2
, 99.0 psia) (6.96 kgf/cm
• 5 updates
• CL Disable
• AL Disable KC
ON
ECM SYSTEM
1112
515
0
ON
-1
(rpm)
1152
4236
1
ON
-1
(rpm)
-1
(rpm)
2
, 0.0 psia)
2
, 99.0 psia)
KiSC issued 12, 2016 A