Structure and inner electrical connection
The servomotor for the EGR controller is 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.
| Item | Explanation |
|---|---|
| 1 | EGR controller |
| 2 | Hall effect sensor |
| 3 | Electronic component with evaluation electronics |
CONNECTOR 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 |