Switch Lights of Remote Touch Always Illuminate or cannot be Controlled Using Rheostat [06/2018 - 09/2022]: Description

WARNING: This page is about a different car, the 2022 Lexus ES 300h, 2021 Lexus ES 300h, 2020 Lexus ES 300h, and 2019 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied to the remote touch (remote operation controller assembly) illumination when the light control switch is in the tail or head position.

HINT:

When the remote touch (remote operation controller assembly) is in self check mode, the switch illumination on the remote touch may remain on.
If any illumination controlled by the rheostat switch has a malfunction such as an short to ground circuit, the switch illumination of the remote touch (remote operation controller assembly) is affected and cannot be controlled by the rheostat switch.