Boost Pressure Low (Dtc P3011 / 132-15) - Kubota 07-CR-E5 Manual

07-CR-E5,07-CR-TE5,07-CR-TIE5, DM

(61) Boost Pressure Low (DTC P3011 / 132-15)

Behaviour during malfunction:
• Insufficient output
Detection item:
• Dismount the hose between the turbocharger blower out and intake flange
DTC set preconditions:
• Other than during regeneration mode
• Engine speed is 1600 min
• Target intake air flow value is 950 mg/cyl or more
• MAF sensor is normal
• EGR valve is normal
• Intake throttle valve is normal
• Boost pressure sensor is normal
• Barometric pressure sensor is normal
• Coolant temperature sensor is normal
DTC set parameter:
• Boost pressure sensor output is below target level in high air flow operating condition
Engine warning light:
• ON
Limp home action by engine ECU (system action):
• Output limitation: Approximately 50 % of normal condition
• Speed limitation (Accelerator limitation: 50 %)
• EGR stop
• Intake throttle 100 % open
Recovery from error:
• Key switch turn OFF
-1
(rpm) or more
1. Check the Air Intake System
1. Check in accordance with "6.[1] AIR INTAKE SYSTEM
INSPECTION PROCEDURE". (Refer to page 1-S320)
NOTE
• Check if the suction hose of the turbocharger blower does
not come off.
• Check if the hose of the boost pressure sensor does not
come off.
OK
NG
(1) Hose Clamp
(2) Hose
2. Check the Boost Pressure Sensor (Refer to items P0237 and
P0238)
1. Check the boost pressure sensor.
OK
NG
(1) Terninal A-VCC2
(2) Terninal PIM
(2) Terninal PIM RTN
1-S300
Go to "2. Check the Boost Pressure Sensor (Refer to items P0237 and
P0238)".
Repair in accordance with "6.[1] AIR INTAKE SYSTEM INSPECTION
PROCEDURE". (Refer to page 1-S320)
Go to "3. Check the DTC".
Replace the boost pressure sensor or its related parts. (Follow the
diagnostic procedure of items P0237 and P0238)
COMMON RAIL SYSTEM
9Y3200007CRS0469US0
(3) Turbocharger
9Y3200007CRS0470US0
(a) Boost Pressure Sensor
9Y3200007CRS0471US0
KiSC issued 03, 2022 A