Power Trunk Open/Close Flow

Open flow

Open step	Description
1	Push the trunk outside handle
2	Switch ON → SJB (Smart junction box) module receives the switch signal
3	SJB sends the open signal to PTM via CAN communication
4	PTM unit sends the unlock output signal to power latch assembly
5	PTM actuates the drive motor → Sector gear operation (rotate) → Push rod operation (opened)
6	Trunk open

Close flow

Close step	Description
1	Push the trunk inner close switch
2	PTM actuates the drive motor → Sector gear operation (rotate) → Push rod operation (closed)
3	Power latch 1st step (close) → Cinching actuator motor operation (rotate)
4	Cinching actuator cable operation → Power latch 2nd step
5	Trunk close