Differential Pressure Sensor 1 Abnormality (Dtc P2454 / 3251-4, P2455 / 3251-3) - Kubota V3800-CR-TE4 Diagnosis Manual

V3800-CR-TE4,V3800-CR-TIE4, DM
(43) Differential Pressure Sensor 1 Abnormality (DTC P2454 / 3251-4, P2455 /
3251-3)
P2454 / 3251-4: Differential pressure sensor 1 abnormality (Low side)
Behaviour during malfunction:
• None
Detection item:
• Sensor / Harness short to ground
• Failure of sensor
DTC set preconditions:
• Battery voltage is normal
• Sensor supply voltage VCC# is normal
• NO ST signal
DTC set parameter:
• DPF differential pressure sensor voltage: 0.21 V or less
Engine warning light:
• ON
System action:
2
• 0 kPa (0.0 kgf/cm , 0.0 psi) [default value]
Recovery from error:
• Key switch turn OFF
P2455 / 3251-3: Differential pressure sensor 1 abnormality (High side)
Behaviour during malfunction:
• None
Detection item:
• Sensor / Harness open circuit and short to +B
• Failure of sensor
DTC set preconditions:
• Battery voltage is normal
• Sensor supply voltage VCC# is normal
• NO ST signal
DTC set parameter:
• DPF differential pressure sensor voltage: 4.7 V or more
Engine warning light:
• ON
System action:
2
• 0 kPa (0.0 kgf/cm , 0.0 psi) [default value]
Recovery from error:
• Key switch turn OFF
1-S252
COMMON RAIL SYSTEM
9Y1200192CRS0812US0
9Y1200192CRS0813US0
KiSC issued 05, 2012 A