Toyota Corolla Cross: K120 (cvt)

 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

 VEHICLE CONTROL HISTORY (RoB)

VEHICLE CONTROL HISTORY (RoB) DESCRIPTION Vehicle Control History (RoB) is a function that captures and stores ECU data when triggered by specific vehicle behavior. It may be possible to determine the cause of the malfunction by checking the vehicle history information and freeze fra