Fifth relay in in the relay control box not working properly

Hello,

Are your trying to work on the secondary air injection relay? Does the relay make any noise?
Does is giving you an error code? Here is a guide that will help with getting codes if you need it:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

These K40 relays are a common issue with no start situations.
This video might be helpful:

https://youtu.be/Xg7sLEOUdko

Please let me know.
Thanks.