Toyota Corolla Cross: Vehicle Interior

 Diagnosis System

DIAGNOSIS SYSTEM CHECK FOR DTCs (USING SYSTEM CHECK MODE SCREEN) HINT: When system self-diagnosis DTCs cannot be output due to a malfunction that is preventing diagnosis mode from being started or the multi-display from displaying, read the DTCs using the GTS. Depending on the multi

 Taillight Relay Circuit

DESCRIPTION The main body ECU (multiplex network body ECU) controls the operation of the TAIL relay. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. First perform the communication function inspections i