System Components

Fig 1: Locating Power Trunk Lid (PTL) Drive Unit With Bolts

Courtesy of KIA MOTORS AMERICA, INC.

Installed inside the left trunk trim of the car, it opens and closes the trunk by connecting to the push rod through the gear motor. It is composed of ECU and drive unit. The drive unit is composed of drive bracket, gear motor, push rod and drive arm.

Fig 2: Locating Power Latch Assembly With Bolts

Courtesy of KIA MOTORS AMERICA, INC.

It delivers the signals on the trunk lid opening/closing to the power trunk module drive unit.

It is composed of power latch and cinching actuator.

Fig 3: Locating Cinching Actuator With Bolts

Courtesy of KIA MOTORS AMERICA, INC.

With a built-in motor, the power latch is pulled by unit control of the power trunk module to execute the Step 1/2 locking.

Fig 4: Wireless Transmitter (Trunk Button)

Courtesy of KIA MOTORS AMERICA, INC.

To open or close, press the power trunk module button on the wireless transmitter for more than one second. If the button is pressed again while the trunk is closing, the trunk operation stops.

Fig 5: Locating Trunk Inner Switch

Courtesy of KIA MOTORS AMERICA, INC.

It is installed in the trim inside the trunk and cannot be manipulated when the trunk is closed.

If the lock switch is on, PTM unit transmits the trunk lock signal to SMK.

SMK uses bumper antenna to carry out FOB authentication after signal reception. If the registered FOB key is detected, its searches the indoor area.

If all doors are closed and there is no FOB key inside, SMK transmits the door lock command to DDM and the trunk close command to PTM.

DDM and PTM carry out the command and the door is locked and power trunk is closed.

Fig 7: Locating Trunk Inner Lock Switch

Courtesy of KIA MOTORS AMERICA, INC.

Mounted inside the passenger side glove compartment, it is used to control power trunk LOCK/UNLOCK operation.