1.CHECK BOOST CONTROL ACTUATOR HOSE
 
 2.CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE POWER SUPPLY CIRCUIT
 
 3.DETECT MALFUNCTIONING PART
 
 4.CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
 
 5.CHECK TURBOCHARGER BOOST CONTROL SOLENOID VALVE
 
 6.CHECK BOOST CONTROL ACTUATOR
 
 7.CHECK TURBOCHARGER BOOST SENSOR
 
 8.CHECK INTERMITTENT INCIDENT