Kubota V3800-CR-TE4 Diagnosis Manual page 241

V3800-CR-TE4,V3800-CR-TIE4, DM
(a) ECU Connector 2
(B: 58 Pin)
(b) ECU Connector 1
(A: 96 Pin)
1. Measure the ECU Terminal Voltage
1. Place the key switch in the OFF position, and unplug the ECU
wiring harness connector 1 from the socket.
2. Move the key switch from the OFF to the ON position, and
measure the voltage between ECU terminals A-24 and B-1 /
B-2.
Factory
specification
OK
NG
(1) ECU Connector 1 (96 Pin)
(2) ECU Connector 2 (58 Pin)
1-S214
Approx. 5 V
Check the wiring harness (ECU terminal A-24) for a short. → Repair the
faulty area.
Check the harness connectors and ECU pins.
OK Faulty ECU → Replace.
NG Repair or replace the wiring harness, or replace the ECU.
COMMON RAIL SYSTEM
9Y1200192CRS0768US0
(3) A-1 Pin Position
(4) B-1 Pin Position
9Y1200192CRS0769US0
KiSC issued 05, 2012 A