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

 Key Cannot be Registered

DESCRIPTION A maximum of 5 key ID codes can be registered. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: If the transponder key ECU assembly is replaced, refer to Registration. Click here PROCEDURE 1. CHECK REGISTRATION MODE (a) Check that the system enters registration mode.

 DC/DC Converter System Performance (P19E100)

DESCRIPTION The DC/DC converter converts the voltage from the HV battery to supply power to the vehicle lights, audio system and various ECUs, etc. At the same time, it performs charging of the auxiliary battery, controlling the output voltage to maintain a specific voltage at the auxiliary batte