Recirculating air flap actuator position/task/design/function - GF09.50-P-3101G

ENGINE 111.943 /944 /973 /975 

Fig 1: Identifying Recirculated Air Flap Actuator - Engine 111.943 /944 /973 /975

	Position	At top part of air cleaner
	Task	Operating recirculated air flap steplessly between 0 - 90° for boost pressure control
	Design/function	The recirculating air flap actuator is operated by means of a PWM signal supplied by the engine control module. On/Off ratio 100 %: recirculating air flap closed On/Off ratio 11 -99 %: boost pressure control in part load range On/Off ratio 10 %: recirculating air flap open