The best place to start when troubleshooting any electrical problem with your 3rd generation (2012, 2013, 2014, 2015 and 2016) Toyota Yaris is to check for a blown fuse or a faulty relay in the electrical panels. Check out my DIY tutorial for the procedure by clicking on the text link or the thumbnail image below.
2012-2016 Toyota Yaris Electrical Fuse Replacement Guide
