DTC P0ABF-123: Hybrid Battery Pack Current Sensor Circuit; DTC P0AC1-123: Hybrid Battery Pack Current Sensor Circuit Low; DTC P0AC2-123: Hybrid Battery Pack Current Sensor Circuit High [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.