Scv Stuck - Kubota V3800-CR-TE4 Diagnosis Manual

V3800-CR-TE4,V3800-CR-TIE4, DM
Name
ISO 14229
P-Code
SPN
J1939-73
FMI
DTC Name

SCV stuck

Management Unit
for Detected Part
Detection item
DTC Set
Preconditions
DTC set parameter
Time to action or
number of error
detection
System Action
Behaviour During
Malfunction
Engine Warning
Light
Recovery from
error
• SCV stuck at open position (Actual rail pressure continuously exceeds the command rail
pressure)
• Supply pump is normal and pump calibration has been executed and engine is
3
operating (Q: 4 mm /st or higher)
• Injector is normal
• Battery voltage is normal
• Sensor supply voltage VCC# is normal
• Rail pressure sensor is normal
• Discharge request of supply pump goes below 0 mm
2
10 MPa (100 kgf/cm , 1400 psi) higher than command pressure
• Above state continues for 26 seconds or more
• 1 time or more
• Output limitation: Approximately 50 % of normal condition
• Speed limitation (Accelerator limitation: 50 %)
• Rail pressure limitation:
Command pressure ≤ 80 MPa (820 kgf/cm
• EGR stop
• Insufficient output
• Worsening exhaust gas performance
• Engine stops in some case
• ON
• Key switch turn OFF
SCV stuck
P0089
1347
7
SCVS
2
, 12000 psi)
1-S71
COMMON RAIL SYSTEM
3
/st and the actual rail pressure is
9Y1200192CRS0611US0
KiSC issued 05, 2012 A