Monitor Description
WARNING: This page is about a different car, the 2024 Lexus TX 550h+. However, it is still accessible from the selected car via links, so may be relevant.
The charge control ECU built into the electric vehicle charger assembly monitors the input AC current via the IAC sensor. When an IAC sensor malfunction on the system 2 side is detected, it illuminates the MIL and stores a DTC.