Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
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Fault Tree:
Repair accordingly.
Repair accordingly.
Repair the harness.
Get the Technical Support.
Replace components.
Does the problem still exist?
Electrical fault
Check for continuity and insulating property.
Replace the actuator.
Check ECU for connector faults.
Check actuator connectors.
Connector fault
Check actuator resistance.
Actuator resistance faults