Boost Pressure Low (Dtc P3011 / 132-15) - Kubota V3800-CR-TE4 Diagnosis Manual

V3800-CR-TE4,V3800-CR-TIE4, DM

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

Behaviour during malfunction:
• Insufficient output
Detection item:
• Dismount the hose between the turbo blower out and intake flange.
DTC set preconditions:
• Not in the Regeneration mode
• Engine speed is 1600 rpm or more
• Target intake air flow value is 950 mg/cyl or more
• MAF sensor is normal
• EGR valve is normal
• Intake throttle valve is normal
• Intake 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 (5 to 8 kPa or less)
Engine warning light:
• ON
System action:
• Output limitation: Approximately 50 % of normal condition
• Speed limitation (Accelerator limitation: 50 %)
• EGR stop
Recovery from error:
• Key switch turn OFF
1. Check the Air Intake System
1. Check in accordance with "6.[1] AIR INTAKE SYSTEM
INSPECTION PROCEDURE". (Refer to page 1-S285)
NOTE
• Check if the suction hose of the turbo blower does not
come off.
• Check if the hose of the boost pressure sensor does not
come off.
OK Go to "2. Check the boost pressure sensor (Refer to items P0237 and
P0238)".
NG Repair in accordance with "6.[1] AIR INTAKE SYSTEM INSPECTION
PROCEDURE". (Refer to page 1-S285)
(1) Hose Clamp
(2) Hose
(3) Turbocharger
2. Check the Boost Pressure Sensor (Refer to items P0237 and
P0238)
1. Check the boost pressure sensor.
OK Go to "3. Check the DTC".
NG Repair or replace the boost pressure sensor or its related parts. (Follow
the diagnostic procedure of items P0237 and P0238)
(1) Terninal A-VCC2
(2) Terninal PIM
(2) Terninal PIM RTN
1-S270
COMMON RAIL SYSTEM
9Y1200192CRS0826US0
[A] M60 Series
[B] M-GX Series
9Y1200192CRS0933US0
(a) Boost Pressure Sensor
9Y1200192CRS0532US0
KiSC issued 05, 2012 A