IG2 Relay: Prius

AM2 fuse supplies constant battery voltage to one side of IG2 relay. When ignition is turned on, voltage is supplied from ignition switch to other side of IG2 relay to energize the IG2 relay. When IG2 relay is energized, it provides battery voltage to fuel injectors and ignition coils. IG2 relay is located in fuse/relay box at driver's side front corner of engine compartment.