Power Trunk Open/Close Flow

Open flow

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

Close flow

Open step	Description
1	Push the trunk inner close switch
2	PTM actuate 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