Where is the spring in the door lock in the Toyota Previa 1992?

In the 1992 Toyota Previa, the spring in the door lock mechanism is typically located within the door latch assembly. It functions to return the lock to its default position after being actuated. To access it, you usually need to remove the door panel and then disassemble the latch mechanism. Always refer to a service manual for detailed instructions specific to your vehicle model.