Tool changer

Hello,
Could you please help me with my tool changer, my machine is cnc endmill  emco 55 pcmill. I am using Carousel Component with counts mode, since I have a stepper motor on the tool changer.I also have a sensor that connected to sens-0 (index)at this point I can move and home the car, I can also do the tool changes.the last thing that I need to do is move the carousel back home once the tool has been changed. How can I move the car back to home with a subroutine?My tool changer does not have an arm that I can control.

Thank you,