Kia Carnival 2007 Workshop Manual page 1317

3. Check for continuity between the terminals in each switch position according to the table.
TAILGATE LOCK SWITCH
1. Remove the tailgate trim panel. (Refer to the Body group - tailgate)
2. Disconnect the 6P connector from the actuator.
3. Check for continuity between the terminals in each switch position according to the table.
FRONT DOOR KIEY SWITCH
1. Remove the front door trim panel. (Refer to the Body group - Front door)
2. Disconnect the 3P connector from the actuator.