Toyota Corolla Cross: Cellular Communication

 Back Door Courtesy Switch Circuit

DESCRIPTION The main body ECU (multiplex network body ECU) receives a back door open/closed signal from the back door courtesy light switch (back door lock assembly). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registr

 Hybrid/EV Battery Control System Circuit Voltage Below Threshold (P300016)

DESCRIPTION The battery ECU assembly alerts the driver and performs fail-safe control based on malfunction signals. If the HV battery is discharged excessively or the hybrid battery system is malfunctioning, this DTC will be stored. HINT: If the HV battery voltage has dropped due to a malfunct