Rear Door LH Entry Lock and Unlock Functions do not Operate: Description
WARNING: This page is about a different car, the 2012 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.
When the rear door LH entry lock and unlock functions do not operate, one of the following may be malfunctioning: 1) power door lock system, 2) rear door LH electrical key oscillator, or 3) certification ECU.