Toyota Corolla Cross: Rear Crankshaft Oil Seal

 Additional Key cannot be Registered

DESCRIPTION If additional registration is not possible, a malfunction of the electrical key transmitter sub-assembly, certification ECU (smart key ECU assembly), engine switch, No. 1 indoor electrical key antenna assembly (front floor) or door control receiver is suspected. CAUTION / NOTICE / HINT

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) The hybrid vehicle control ECU has a self-diagnosis system. If the computer, Hybrid Control System, or a component is not working properly, the ECU records the conditions that relate to the fault. The ECU also illuminates the master warning in the combination meter a