Power Door Lock Actuator: Testing and Inspection

DOOR LOCK ACTUATOR CHECK
Driver's side
1. After setting the rod to the LOCK position, apply battery voltage to terminal 3 and check if the rod moves as far as the UNLOCK position when terminal 4 is grounded.
2. After setting the rod to the UNLOCK position and applying battery voltage to terminal 4, check if the rod moves as far as the LOCK position when terminal 3 is grounded.
3. When the rod is set to the UNLOCK position, check if there is continuity between terminal 1 and terminal 2, and when the rod is set to the LOCK position, check that there is no continuity.

Passenger's side
1. After setting the rod to the LOCK position, apply battery voltage to terminal 4 and check if the rod moves as far as the UNLOCK position when terminal 3 is grounded.
2. After setting the rod to the UNLOCK position and applying battery voltage to terminal 3, check if the rod moves as far as the LOCK position when terminal 4 is grounded.
3. When the rod is set to the UNLOCK position, check if there is continuity between, terminal 2 and terminal 1. Also, when the rod is set to the LOCK position, check that there is no continuity.