Power Trunk Open/Close Flow

Opening flow

Operating Procedure	Description
1	Push the trunk outside handle.
2	Switch ON → Input switch signal to Rear Smart Junction Box (RSJB) module
3	RSJB sends opening signal to PTM via CAN.
4	PTM unit sends unlock output signal to power latch assembly.
5	PTM actuates the drive motor → Sector gear operation (rotate) → Push rod operation (open)
6	Trunk open

Closing flow

Operating Procedure	Description
1	Push the trunk inner closing switch
2	PTM actuates the drive motor → Sector gear operation (rotate) → Push rod operation (closed)
3	Power latch 1st step signal input
4	Power latch cinching motor operation (rotate)
5	Power latch 2nd step signal input
6	Trunk closed