JAC HFC4DA1-2C - Page 198

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
199
Fault Tree:
Get the Technical Support.
Repair the harness.
Repair accordingly.
Check ECU connectors.
Connector fault
Check continuity and insulating property
Control circuit failures
Check ECU.
ECU faults
Replace the ECU or refresh ECU
data.