Kubota 07-CR-E5 Manual page 214

07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
(1) Terminal A-VCC1
(2) Terminal PFUEL
(3) Terminal PFUEL RTN
1. Check the Rail Pressure Sensor Signals
1. Place the key switch in the ON position, and check the "Actual
rail pressure" and "Rail pressure sensor output voltage" on the
diagnosis tool data monitor.
2. Next, start the engine, change the depressed amount of the
accelerator pedal, and check the same items again.
Service
specification
NOTE
• When idling: Approx. 40 to 50 MPa (410 to 500 kgf/cm
to 7200 psi)
During no-load maximum speed: 95.0 to 115 MPa
(969 to 1170 kgf/cm
• Reference value (service specification) has complete
linearity.
OK
NG
(a) CAN1 Connector
1-S176
(a) Pin Assignment
(b) Rail pressure sensor
Depends on the rotation speed, load (After warm-up)
1. When stopped: Approx. 1.0 V
2. When idling: 1.65 to 1.80 V
3. During no-load maximum speed: 2.50 to 2.85 V
4. During acceleration: 2.5 to 3.3 V
2
, 13800 to 16600 psi)
Clear the DTC and check whether it is output again or not.
OK Normal.
NG Replace the engine ECU.
Go to "2. Measure the Engine ECU terminal voltage".
COMMON RAIL SYSTEM
(c) Engine ECU Connector 1
(Engine Side)
(d) Engine ECU
9Y3200007CRS0234US0
2
, 5800
9Y3200007CRS0235US0
KiSC issued 03, 2022 A