Pressure Limiter Emergency Open (Dtc P0087 / 633-7) - Kubota 07-CR-E5 Manual

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

(3) Pressure Limiter Emergency Open (DTC P0087 / 633-7)

Behaviour during malfunction:
• Insufficient output
• Worsening exhaust gas performance
Detection item:
• Open circuit or +B short circuit of sensor / harness.
DTC set preconditions:
• Rail pressure sensor is normal
• Sensor supply voltage VCC# is normal
DTC set parameter:
• Combination of below A and B
A: Fuel leak (P0093) is detected
B: Condition (1) or (2) is fulfilled;
(1) Rail pressure exceeds 191 MPa (1950 kgf/cm
(2) Within 1 sec, after the rail pressure goes below 191 MPa (1950 kgf/cm
[Before the pressure decrease, the rail pressure is above 191 MPa (1950 kgf/cm
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
2
, 27700 psi)
2
, 27700 psi)
1-S140
COMMON RAIL SYSTEM
2
, 27700 psi)]
9Y3200007CRS0179US0
KiSC issued 03, 2022 A