JAC HFC4DA1-2C - Page 184

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
185
Fault Tree:
Check throttle valve actuator
connection.
Connector fault
Repair or replace.
Check throttle valve appearance.
Throttle valve faults
Check ECU connectors.
Replace the ECU.
Repair or replace.
Replace the throttle valve.
Get the Technical Support.