Toyota Corolla Cross: M20a-fxs (engine Control)

 System Voltage (BATT) Circuit Short to Ground or Open (P056014)

DESCRIPTION Auxiliary battery power is supplied to the AM terminal of the battery ECU assembly in order to store DTCs and freeze frame data. Even if the ignition switch is turned off, back-up power is supplied. DTC No. Detection Item DTC Detection Condition Trouble Area MIL

 Main Microcomputer in Front Radar Sensor System Internal Failure (C1A8C04,C1A8C46,C1A8D1C,C1A9000)

DESCRIPTION When an internal malfunction is detected in the millimeter wave radar sensor assembly, a DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C1A8C04 Main Microcom