Toyota Corolla Cross: Telematics System

 Headlight Source LH Malfunction (B243900,B243A00)

DESCRIPTION The headlight ECU sub-assembly LH and headlight ECU sub-assembly RH internally boost the power supply voltage to ensure a constant supplied current for the Lo/Hi beam LED of their respective headlight. By monitoring the LED power supply voltage, abnormal current and malfunctions can be

 System Description

SYSTEM DESCRIPTION CXPI COMMUNICATION SYSTEM DESCRIPTION (a) The multiplex communication system [CXPI] is used for communication systems between body system components. When communication fails due to an open circuit, etc. on the communication line, the function that outputs a DTC related to t