Kubota V3800-CR-TE4 Diagnosis Manual page 239

V3800-CR-TE4,V3800-CR-TIE4, DM
3. Check the SCV
1. Turn the key switch OFF, remove the connector from the SCV
side and measure the resistance between the terminals on the
SCV side.
Factory specification
Item
Resistance
Insulation resistance
(between terminal
valves)
OK Wiring harness open circuit or connector fault → Check and repair.
NG SCV fault → Replace the supply pump.
(1) SCV (Suction Control Valve)
4. Measure the ECU Terminal Voltage
1. Unplug the ECU wiring harness connector 1 from socket, and
measure the voltage between ECU terminals B-7 and B-20 and
the ground (at the wiring harness side).
Factory
Both must be approx. 0 V.
specification
OK Normal.
NG Repair the wiring harness.
1-S212
COMMON RAIL SYSTEM
Temperature Resistance
20 °C (68 °F) Approx. 2.1 Ω
20 °C (68 °F) 100 MΩ or higher
9Y1200192CRS0382US0
9Y1200192CRS0765US0
KiSC issued 05, 2012 A