Toyota Corolla Cross: Transmitter Battery (w/ Smart Key System)

 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

 Problem Symptoms Table

PROBLEM SYMPTOMS TABLE NOTICE: If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the window defogger system may not operate. HINT: Use the table below to help determ