Hi @lorme
Don’t know the answer but the following may help.
This [http://techinfo.honda.com/rjanisis/pubs/OM/WA0808/WA0808OM.PDF|owner manual -see p.331], taken from [https://owners.honda.com/vehicles/information/2008/CR-V/manuals|here] shows that underhood fuse #16 is for the EPT-L (if equipped).
[https://www.crvownersclub.com/threads/2009-cr-v-drains-battery-with-no-clear-drain-source.200675/|This] describes the same symptoms as you’re having and has a solution at the bottom.
Here’s the [https://cardiagn.com/2007-honda-cr-v-2007-service-repair-manual-pdf/|2007-2012 Honda CR-V Service And Repair Manual], scroll down and click on ''Body Electrical'' to get the schematics and diagnostics for the vehicle’s electrical systems.
Hopefully all this will help you to resolve the problem