| Circuit Diagram |

Component Location1. Auto light sensor2. Head lamps3. Lighting switch (Auto)4. Rear combination lamp5. BCM (Body Control Module)
DescriptionIt'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.
Inspection1.Turn the ignition switch ON.2.Connect the GDS.3.Emit intensive light toward the photo sensor using a lamp, and check the output voltage change.4.The voltage will rise with higher intensive light and reduce with lower intensive light.1. Auto light signal2.
Removal1.Disconnect the negative (-) battery terminal.2.Remove the rear bumper.(Refer to Body - "Rear Bumper")3.Remove the rear corner radar unit (A) after loosening the mounting nuts. • Take care not to separate the bracket from rear bumper when removing the rear corner radar sensor.