Toyota Corolla Cross: ADAS & AD

 ECM Power Source Circuit

DESCRIPTION When the ignition switch is turned to ON, the auxiliary battery voltage is applied to IGP of the ECM. When the transistor in the MREL circuit operates, current flows from the auxiliary battery to ground through the drive circuit of the EFI-MAIN NO. 1 relay, thus operating the relay which

 Disassembly

DISASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (DISASSEMBLY) Procedure Part Name Code 1 ULTRASONIC SENSOR CLIP 89348D - - 2 REAR CENTER ULTRASONIC SENSOR 89342A - - - 3 REAR CORNER ULTRASONIC SENSOR 89342 -