Toyota Corolla Cross: Hybrid Vehicle Control Ecu

 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

 Removal

REMOVAL PROCEDURE 1. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM Click here 2. REMOVE PIPING CLAMP (for Suction Hose Sub-assembly) (a) for Gasoline Model: (1) While pressing the end of the suction hose sub-assembly into the end of the suction pipe sub-assembly, use pliers to squeeze together