Toyota Corolla Cross: Cellular Communication

 ECU Power Source Circuit

DESCRIPTION If the ignition switch is ON, the battery ECU assembly applies current to the MREL terminal to turn the IGCT relay on. This supplies power to the IGCT terminals. WIRING DIAGRAM CAUTION / NOTICE / HINT CAUTION: Refer to the precautions before inspecting high voltage circuit. Cli

 Installation

INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 TRANSMITTER BATTERY 89745C - - 2 TRANSMITTER HOUSING COVER - - - - 3 CUT KEY 69503B - - -