Toyota Corolla Cross: Backup Boost Converter

 Ignition Switch Circuit Short to Ground or Open (P253014)

DESCRIPTION If the engine stop and start ECU receives the off signal from the ignition or starter switch assembly*1 or certification ECU (smart key ECU assembly)*2 when communication with the ECM is normal, the engine stop and start ECU will output DTC P253014. *1: w/o Smart Key System *2:

 Calibration

CALIBRATION NOTICE: Initial AWD functions such as acceleration are sometimes affected unless backup memory is cleared. When the yaw rate and acceleration sensor (airbag ECU assembly) is replaced, Reset Memory must be performed. RESET MEMORY (a) Perform Reset Memory according to th