Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
136
Fault Tree:
Check the sensor connection.
Connector fault
Repair accordingly.
Repair accordingly.
Replace the sensor.
Detect the sensor resistance. (Is it consistent with
the vehicle condition?)
Fault of sensor resistance
Fault of ECU connector
Check continuity and insulating property.
Electrical fault
Repair the harness.
Replace the component.
Does the problem still exist?
Get the Technical Support.
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