Toyota Corolla Cross: Lighting (ext)

 Rear Seat Belt Warning Light Malfunction

DESCRIPTION The power distribution box assembly sends a signal indicating a rear seat belt status when the ignition switch is ON to the main body ECU (multiplex network body ECU) via CXPI communication. The main body ECU (multiplex network body ECU) sends a signal indicating the rear door courtesy

 Headlight LH Circuit (B243900,B243A00)

DESCRIPTION The light control LED ECU supplies internally boosted voltage to the light control LED ECU so that the current supplied to the LED is always maintained at a constant value. These DTCs are also output when the main body ECU (multiplex network body ECU) detects malfunctions while monitori