Power Door Lock Actuator: Testing and Inspection

DOOR LOCK ACTUATOR INSPECTION
1. Place the rod in the LOCK position, apply the battery power to the terminal [(1) for left or (3) for right] and check to see that when the terminal [(3) for left or (1) for right] is grounded, the rod moves to the UNLOCK position.
2. Then place the rod in the UNLOCK position, apply the battery power to the terminal [(3) for left or (1) for right], and check to see that when the terminal [(1) for left or (3) for right is grounded, the rod moves to the LOCK position.
3. Check to ensure that when the rod is placed in the UNLOCK position, there is a continuity between the terminals (2) and (4), and that when the rod is placed in the LOCK position, there is no continuity.