Kubota V3800-CR-TE4 Diagnosis Manual page 268

V3800-CR-TE4,V3800-CR-TIE4, DM
(1) Terminal COMMON
(2) Terminal TWV
(a) Terminal Layout
(b) Engine Cylinder No.
(c) Injector
1, Check the "P-GND" Wiring Harness
1. Place the key switch in the OFF position, unplug the ECU wiring
harness connector 2 (B: 58 Pin) from the socket, and measure
the resistance between each of ECU terminals B-3 or B-4 and
the chassis ground (at the wiring harness side).
Factory
specification
OK
NG
2. Check the Wiring Harness Connectors and ECU Pins
1. Place the key switch in the OFF position, unplug the ECU
connector 1 (A: 96 Pin) from the socket, and check the ECU pins
for faulty connection, deformation, poor contact or other defects.
Factory
specification
OK
NG
1-S241
(d) Rated Amperage Circuit
(e) High Voltage Generation
Circuit
1.5 Ω or lower
Go to "2. Check the Wiring Harness Connectors and ECU Pins".
Check the "P-GND" wiring harness. → Repair.
Locate the cause of open circuit, or increase its resistance value.
Must be free from faulty connection, deformation, poor
contact or other defects.
Go to "3. Measure the ECU Terminal Voltage (Part 1)".
Repair wiring harness connectors and ECU pins, or replace them if
defective.
COMMON RAIL SYSTEM
(f) Control Circuit
(g) ECU Connector 1
(A: 96 Pin)
9Y1200192CRS0704US0
9Y1200192CRS0794US0
9Y1200192CRS0795US0
KiSC issued 05, 2012 A