Tail Lamp

Disconnect the negative (-) battery terminal.
Remove the crash pad lower panel.
Refer to CRASH PAD .
Remove the junction box.

Fig 1: Junction Box Terminal Identification
Courtesy of KIA MOTORS AMERICA, INC.
Check for continuity between the terminals.
1. There should be continuity between the No. 2 terminal in the I/P-H and the No. 15 (LH) or 4 (RH) terminal in the I/P-G when power and ground are connected to the No. 2 terminal in the I/P-H and the No. 6 terminal in the I/P-D.
2. There should be no continuity between the No. 2 terminal in the I/P-H and the No. 15 (LH) or 4 (RH) terminal in the I/PG when power and ground are disconnected to the No. 2 terminal in the I/P-H and the No. 6 terminal in the I/P-D.