Kubota WG1605-E3, Руководство по диагностике

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ECM SYSTEM
WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, DM
1-118
DTC 1173 1174 1175
Name EPR Diagnostics EPR Diagnostics EPR Diagnostics
DTC Name EPR/CFV comm lost EPR/CFV Voltage Supply High EPR/CFV Voltage Supply Low
J1939
SPN 520620 520260 520260
FMI 31 3 4
MIL OFF ON ON
Detected Item
• Faulty CAN cinnection
• CAN terminal incorrect • Supply voltage to the EPR/CFV is
too high
• Supply voltage to the EPR/CFV is
too low
DTC Set
Preconditions • Engine Running • Engine Running • Engine Running
DTC Set
Conditions • No EPR packets recieved within
500 ms
• Voltage supply to EPR/CFV is >
33.0 VDC
• Voltage supply to EPR/CFV is <
18.0 VDC
Period for
Judgment or
Number of
Occurrence
for Judgment • 0.5 sec • 5 sec • 5 sec
System
Action
• CL Disable
• AL Disable KC • AL Disable
• AL Disable KC
• Power Derate 2
• Low Rev Limit • AL Disable
• AL Disable KC
• Power Derate 2
• Low Rev Limit
Engine
Warning Light
ON ON ON
DTC 1176 1177 1611
Name EPR Diagnostics EPR Diagnostics 5V External
DTC Name
EPR/CFV Internal Actuator Fault
Detection EPR/CFV Internal Circuitry Fault
Detection Sensor Supply Voltage (5Vext 1/2)
Simultaneous Out-of-Range
J1939
SPN 520260 520260 1079
FMI 12 12 31
MIL ON ON ON
Detected Item
• Short or open circuit in actuator coil
• Associated wiring
• Overheating of actuator drive
electronics
• DEPR internal microprocessor or
memory failure, fuel temperature
sensor failure.
• Wiring harness short to 12V power
or ground
• ECM malfunction
DTC Set
Preconditions • Engine Running • Engine Running • Engine On
DTC Set
Conditions
• the DEPR electronics detect a fault
condition associated with its
internal actuator.
• the DEPR electronics detect a fault
condition associated with its
internal circuitry.
• 5Vext1> 5.40 V or 5Vext1< 4.60 V,
and 5Vext2 > 5.40 V or 5Vext2 <
4.60 V
Period for
Judgment or
Number of
Occurrence
for Judgment • 0.25 sec • 0.25 sec • 1 sec
System
Action
• AL Disable • AL Disable • Power Derate 2
• Low Rev Limit
• Force Idle
Engine
Warning Light
ON ON ON
KiSC issued 12, 2016 A