| 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.
Description and operation Description The evaporator temperature sensor will detect the evaporator core temperature and interrupt compressor relay power in order to prevent evaporator from freezing by excessive cooling. Repair procedures Inspection 1.