Toyota Corolla Cross: Transmitter Battery (w/ Smart Key System)

 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 CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 FAN WITH MOTOR ASSEMBLY - - - - 2 INLET HYBRID RADIATOR HOSE G922H - - - 3 NO. 1 WATER BY-PASS HOSE 16261G - - -