Check Body Integrated Unit Power Supply And Ground Circuit
WARNING: This page is about a different car, the 2012 Subaru Outback and 2012 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.
For the detailed procedure, refer to the INSPECTION of POWER SUPPLY AND GROUND CIRCUIT of the Door Lock Control System. Refer to , CHECK POWER SUPPLY AND GROUND CIRCUIT , INSPECTION, Door Lock Control System.