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Structure and inner electrical connection

The servomotor for the EGR controller \nis a direct current motor. The position sensor is a hall effect sensor. The hall effect sensor determines the revolutions of the servomotor. This is used to calculate the position of the EGR controller.

Fig 1: EGR Controller - Circuit Diagram
G09908342Courtesy of BMW OF NORTH AMERICA, INC.
Item Explanation
1 EGR controller
2 Hall effect sensor
3 Electronic component with evaluation electronics
PIN REFERENCE

Pin Explanation
SIG1 Activation of EGR controller, positive terminal
SIG2 Activation of EGR controller, negative terminal
5 V Voltage supply for hall effect sensor
Terminal 31E Ground, hall effect sensor
SIG3 Hall effect sensor signal
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