Toyota Corolla Cross: Steering Wheel

 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 FRONT DOOR AMBIENT LIGHT (FRONT DOOR TRIM BOARD SUB-ASSEMBLY) 67602 - - - 2 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WITH FRONT DOOR UPPER ARMRES