Tailgate Key Cylinder Switch Test

1.	Remove the tailgate trim panel.

2.	Open the tailgate.

3.	Disconnect the 3P connector from the key cylinder switch.

4.	Check for continuity between the terminals. There should be continuity between the No. 2 and No. 3 terminals when the tailgate key cylinder switch is LOCK position. There should be continuity between the No. 1 and No. 2 terminals when the tailgate key cylinder switch is UNLOCK position.