DTC P219A: Bank 1 Air-Fuel Ratio Imbalance [08/2013 - ]: Wiring Diagram
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Fuel Injector Circuit. Refer to Fuel Injector Circuit [08/2013 - ] .