Toyota Corolla Cross: Theft Deterrent / Keyless Entry

 Back Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION If the entry lock and unlock functions do not operate for the back door only, the request code may not be being transmitted from the back door. If the entry functions for other doors operate properly, communication between the electrical key transmitter sub-assembly and electrical key an

 Precaution

PRECAUTION PRECAUTION FOR REPLACING PART (a) After replacing the radio and display receiver assembly or DCM (telematics transceiver), some functions and services may not be available after the ignition switch to ACC for first time or second time. Make sure to perform the following operations