Toyota Corolla Cross: M20a-fxs Auxiliary Battery

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the window defogger system may not operate. HINT: Use the table below to help determ

 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