Kubota V3800-CR-TE4 Diagnosis Manual page 280

V3800-CR-TE4,V3800-CR-TIE4, DM
(1) Terminal DPS-VCC
(2) Terminal DPS-GND
(3) Terminal DPS
1. Check the Differential Pressure Signals
1. Place the key switch in the OFF position, attach the diagnosis
tool to the CAN1 connector, and return the key switch to the ON
position again. Then, check the "Differential pressure" and
"Differential pressure sensor output voltage" on the diagnosis
tool data monitor.
Engine state
Key switch is ON
OK
NG
(a) CAN1 Connector
1-S253
(a) Terminal Layout
(b) Differential Pressure Sensor
Factory specification
Actual differential
pressure
Approx. 0 Pa
(0 kgf/cm
Clear the DTC and check whether it is output again or not.
OK Normal.
NG Replace the ECU.
Go to "2. Measure the ECU Terminal Voltage".
COMMON RAIL SYSTEM
(c) ECU Connector 1
(A: 96 Pin)
9Y1200192CRS0814US0
Output voltage
Approx. 0.7 V
2
, 0 psi)
9Y1200192CRS0495US0
KiSC issued 05, 2012 A