Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
193
Fault Tree:
Get the Technical Support.
Repair the harness.
Repair accordingly.
Check sensor connection.
Connector fault
Check sensor resistance (for conformity with
vehicle status).
Electrical fault
Sensor resistance faults
Does the problem still exist?
Repair accordingly.
Check ECU for connector faults.
Replace the sensor.
Check continuity and insulating property
Replace components.
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