Luggage Compartment Door Entry Unlock Function does not Operate when Key is Outside Luggage Compartment: Description
WARNING: This page is about a different car, the 2012 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
When the luggage compartment door entry unlock function does not operate, one of the following may be the cause: 1) luggage compartment door opener outer switch malfunction; 2) communication malfunction between the outside electrical key oscillator and electrical key transmitter; 3) the main body ECU (instrument panel junction block) receives the luggage compartment door opener outer switch ON signal, but is unable to send the signal to the certification ECU (smart key ECU assembly) through CAN communication; or 4) certification ECU (smart key ECU assembly) malfunction.