Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Motor Generator Control System: DC/DC Converter Status Circuit Short to Battery (P0A0812,P0A0814)
DESCRIPTION The DC/DC converter varies output voltage based on voltage change signals (VLO signal line) received from the motor generator control ECU. If the vehicle is being driven with an inoperative DC/DC converter, the voltage of the auxiliary battery will drop, which will prevent the continued ...
