Technical Description (Comment)

WARNING: This page is about a different car, the 2008 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.

The lighting control sensor may have been installed with the wrong procedure.

Incorrect installation procedure: Connect the connector before mounting the lighting control sensor onto the optical coupler of the windshield.
Correct installation procedure: Mount the lighting control sensor onto the optical coupler of the windshield. Wipe the windshield surface thoroughly, and check that the surface is dry. Then, connect the connector.