Smoke Sensor Circuit: Description
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
This sensor detects the smoke level inside the cabin and sends the appropriate signals to the rear junction block ECU.
HINT:
This circuit uses the CAN communication line. Before performing the inspection, check that the CAN communication system is functioning normally.