| Circuit Diagram |

Component Location 1. Auto light sensor 2. Head lamps 3. Lighting switch (Auto) 4. Tail lamps 5. IBU (Integrated Body Control Unit)
Description It's a system that uses illumination sensor to automatically turn ON the tail lamp and head lamp based on the change in surrounding environment's illumination condition.
Schematic diagrams Circuit Diagram Repair procedures Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the inside rear view mirror cover (A) and rain sensor cover (B).