Light Control Rheostat
WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Turn the rheostat knob maximum dark side and check that the resistance is 5.1 ohms. (Rheostat knob turned to fully counterclockwise). See Fig 1.
- Gradually, turn the rheostat knob from the dark side to bright side and check that the resistance decreases from 5.1 to 0 ohms. (Rheostat knob turned to clockwise).
- If operation is not as specified, replace the rheostat light control.