Power Trunk / Liftgate Control Module: Description and Operation

COMPONENT PARTS

Automatic Back Door Control Module

Automatic back door control unit, encoder, automatic back door motor and clutch are installed.
- Automatic back door control unit: Controls the automatic back door system.
- Encoder: Automatic back door control unit receives the pulse signals from encoders A and B that occurred due to synchronization with the back door operation. The automatic back door control unit calculates the back door position, operation direction, and operation speed according to the received pulse signals.
- Automatic back door motor: Inputs open/close signal from automatic back door control unit and activates the automatic back door open/close operation.
- Clutch: Performs the duty control of the power supply to control the operation speed of the back door.