Slide the door handle toward the rear of the vehicle and pull it out.
Toyota hiace door handle removal.
Be careful not to drop the bolt but if you do you can retrieve it using a magnetic tool.
You should not need to completely remove it.
Take out the screws from the back of the track cover.
There are screws at the door handle at the forward portion with covers when the door is open and the back edge small covers.
This bolt holds the lock cylinder and handle in place.
Close the sliding door of your hiace van.