Toyota Corolla Cross: Power Source & Network

 EPS Warning Light Circuit

DESCRIPTION Use the following procedure if no DTCs are output but the EPS warning light is illuminated continuously. The power steering ECU assembly controls the warning light in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE: When the power steering EC

 DC/DC Converter Internal Electronic Failure (P1CCC49)

DESCRIPTION The DC/DC converter converts the voltage from the HV battery to supply power to the vehicle lights, audio system and various ECUs, etc. At the same time, it performs charging of the auxiliary battery, controlling the output voltage to maintain a specific voltage at the auxiliary batte