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