Driver Side Door Entry Unlock Function does not Operate: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
If the driver door entry unlock function does not operate but the entry lock function operates, the communication line between the vehicle and electrical key transmitter is normal Any of the following components may have a malfunction. 1) touch sensor circuit certification ECU (smart key ECU assembly); 2) front door outside handle assembly (driver side), or 3) door electrical key oscillator (driver side)