Liftgate Lock Module Inspection

Remove the Liftgate Trim.
(Refer to Body - "LIFTGATE TRIM ")
Disconnect the connectors from the actuator.

Fig 1: Locating Liftgate Lock Module Connector
Courtesy of KIA MOTORS AMERICA, INC.
Check actuator operation by connecting power and ground as displayed below. To prevent damage to the actuator, apply battery voltage only momentarily.

Fig 2: Checking Actuator Operation By Connecting Power And Ground
Courtesy of KIA MOTORS AMERICA, INC.

Fig 3: Actuator Terminal Operation Chart
Courtesy of KIA MOTORS AMERICA, INC.
Checking the liftgate of the vehicle power option power refers to the liftgate module.