Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: IG2 Signal Circuit Short to Auxiliary Battery (P253012)
DESCRIPTION The hybrid vehicle control ECU compares the IG2 signal to the IG control status signal sent from the certification ECU (smart key ECU assembly) to detect a stuck on malfunction of the IG2 signal. HINT: If DTC P253012 is stored, the power switch will turn off (READY off). DTC No. Detectio ...
