Circuit Description
WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
The multiplex network body ECU receives signals from the automatic light control sensor.
HINT:
The DTC code is output when a malfunction of the automatic light control sensor or an open or short in the automatic light control sensor circuit occurs (see DTC B1244 LIGHT SENSOR CIRCUIT MALFUNCTION ).