Toyota Corolla Cross: K120f (cvt)

 Ignition Switch On/Start Position Circuit Low Circuit Short to Ground or Open (P253314)

DESCRIPTION When the ignition switch is turned to ON, the auxiliary battery power source is supplied to the IGP and IGR terminals of the ECM. When the ignition switch is off, the auxiliary battery power source is cut off. When the ignition switch is turned off during driving, the auxiliary battery

 When Disconnecting Or Reconnecting Battery Terminal

Before Disconnecting Battery BEFORE DISCONNECTING BATTERY PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL (for HEV Model) Depending on the "ACC customize" setting, the background will remain started even when the ignition switch is turned off. For that