Kubota 07-CR-E5 Manual page 221

07-CR-E5,07-CR-TE5,07-CR-TIE5, DM
2. Check the DTC
1. Plug the engine ECU connector into socket, and start the
engine.
2. Clear the DTCs that occurred previously, and check the
currently existing trouble.
Service
No DTC is output.
specification
OK Go to "3. Check the Connector and Wiring Harnesses for Poor Contact".
NG Faulty engine ECU → Replace.
(a) CAN1 Connector
3. Check the Connector and Wiring Harnesses for Poor Contact
1. Set the key switch to the OFF position, and check the wiring
harness connectors and engine ECU pins for incorrect
connection, deformation, poor contact or other defects.
Service Must be free from faulty connection, deformation, poor
specification contact or other defects.
NOTE
• Intermediate connector and wiring harness in head cover
should be checked, they are possible cause.
OK Check the wiring harness and connector of P- GND terminal (Engine
ECU terminals V39, V59, V79 and V80). → Replace.
NG Check the injector wiring harnesses and connectors. → Replace.
4. Measure the Resistance Between Injector Terminals
1. Unplug the injector cable connector of the cylinder indicated by
the DTC, and measure the resistance between injector
terminals (1) and (2).
Service
0.35 to 0.55 Ω
specification
OK Check the wiring harnesses and connectors for a poor contact. →
Repair.
NG Faulty injector → Replace (Using the diagnosis tool, write the ID (QR)
code of replaced injector in the engine ECU.)
(1) Terminal COMMON
(2) Terminal TWV
(3) ID Code
1-S183
COMMON RAIL SYSTEM
9Y3200007CRS0247US0
9Y3200007CRS0248US0
(a) Injector
9Y3200007CRS0249US0
KiSC issued 03, 2022 A