Kubota WG1605-E3, Руководство по диагностике

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ECM SYSTEM
WG1605-G-E3,WG1605-L-E3,WG1605-GL-E3, DM
1-109
DTC 270 271 326
Name Injectors Injectors Knock
DTC Name
Injector Driver #4
Open/Short-To-Ground
Injector Driver #4 Short-To-Power Knock 1 Excessive or Erratic Signal
J1939
SPN 654 654 731
FMI 5 6 2
MIL ON ON ON
Detected Item
• Loss of 12.0 V feed to injector
• open injector coil
• open or shorted to ground injector
driver circuit in engine harness
• Injector coil shorted internally
• Injector driver circuit shorted to
voltage between injector and ECM
• Knock signal abnormality
(High side)
• Sensor malfunction
DTC Set
Preconditions • Key-On, Engine Running • Key-On, Engine Running • Key On, Engine On
DTC Set
Conditions
• Injector4 off-state low-side < 4.00 V
• and battery voltage > 9.00 V • Injector4 on-state low-side > 4.00 V
• and battery voltage < 16.0 V • KNK1 sensor input > 0.500 V
• MAP < 55.2 kPa [abs]
(0.562 kgf/cm
2
, 8.00 psia)
Period for
Judgment or
Number of
Occurrence
for Judgment • 10 samples • 10 samples • 3 sec
System
Action
• CL Disable
• AL Disable KC
• Low Rev Limit • CL Disable
• AL Disable KC
• Low Rev Limit • Power derate 1
• Retard Fault KNK
Engine
Warning Light
ON ON ON
DTC 327 336 337
Name Knock Cam/Crank Sensors Cam/Crank Sensors
DTC Name Knock 1 Sensor Open or Not Present Crank Input Signal Noise Loss of Crankshaft Input Signal
J1939
SPN 731 636 636
FMI 4 2 4
MIL ON ON ON
Detected Item
• Sensor/wiring harness open/short
to power
• Sensor malfunction
• Crank+ or Crank

circuits in wrong
connector terminal slot
• Loss of sensor feed
• open sensor ground
• open or shorted to ground signal
wire
DTC Set
Preconditions • Key On, Engine On • Key On, Engine On • Key On, Engine On
DTC Set
Conditions
• KNK1 sensor input < 0.005 V
• and RPM > 2000 min
-1
(rpm)
• and MAP > 82.7 kPa [abs]
(0.844 kgf/cm
2
, 12.00 psia)
• Number of invalid cam re-syncs 3
re-syncs
• within a time window of <= 800 ms
• Cam pulsed without crank activity >
3 cam pulses
Period for
Judgment or
Number of
Occurrence
for Judgment • 10 sec • 1 sec • 1 sec
System
Action • Power derate 1
• Retard Fault KNK • AL Disable KC • None
Engine
Warning Light
ON ON ON
KiSC issued 12, 2016 A