JAC HFC4DA1-2C - Page 182

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
183
Fault Tree:
Repair accordingly.
Check relay connectors.
Connector fault
Check ECU connectors.
Connector faul
t
Check continuity and insulating property..
Electrical faul
t
Repair the harness.
Repair accordingly.
Replace the relay (carry out ISO cycle).
ISO cycle faults
Get the Technical Support.