Toyota Corolla Cross: Drivetrain

 ECU Power Source Circuit

DESCRIPTION When the ignition switch is turned to ON, auxiliary battery voltage is applied to terminal MREL of the ECM through the coil of the EFI-MAIN relay. This causes the EFI-MAIN relay to close, which supplies power to terminal +B of the TCM. WIRING DIAGRAM Refer to DTC U010087. Click h

 Replacement

REPLACEMENT CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during the CVT fluid replacement are shown below. Necessary Procedure After Parts Removed/Installed