Kubota 07-CR-E5 - Boost Pressure Sensor Abnormality (DTC P0237; 102-4, P0238; 102-3)

COMMON RAIL SYSTEM
07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
1-S187
(19) Boost Pressure Sensor Abnormality (DTC P0237 / 102-4, P0238 / 102-3)
P0237 / 102-4: Boost pressure sensor: Low
Behaviour during malfunction:
• Insufficient output
Detection item:
• Ground short circuit of sensor / harness
• Failure of sensor
DTC set preconditions:
• Battery voltage is normal
• Sensor supply voltage VCC# is normal
DTC set parameter:
• Voltage of boost pressure sensor is 0.2 V or below
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• 65 kPa (0.66 kgf/cm
2
, 9.4 psi) [default value]
Recovery from error:
• Key switch turn OFF
9Y3200007CRS0256US0
P0238 / 102-3: Boost pressure sensor: High
Behaviour during malfunction:
• Insufficient output
Detection item:
• Open circuit or +B short circuit of sensor / harness
• Failure of sensor
DTC set preconditions:
• Battery voltage is normal
• Sensor supply voltage VCC# is normal
DTC set parameter:
• Voltage of boost pressure sensor is 4.9 V or above
Engine warning light:
•ON
Limp home action by engine ECU (system action):
• 65 kPa (0.66 kgf/cm
2
, 9.4 psi) [default value]
Recovery from error:
• Key switch turn OFF
9Y3200007CRS0257US0
KiSC issued 03, 2022 A