The Lighting Does Not Switch From High Beam To Low Beam Automatically: Trouble symptom

The lighting does not switch to the low beam, even when the high beam assist indicator is illuminating.

1. CHECK HIGH BEAM ACTIVATION (CHECK BY MANUAL OPERATION). 

   Check for the activation of the high beam.

   1. Light SW position: Second notch
   2. Dimmer Hi SW: ON

   Does the high beam light come on?

   • Yes: Go to 2. 
   • No: Check the headlight system. Ref. to LIGHTING SYSTEM>Headlight System .
2. CHECK LOW BEAM ACTIVATION (CHECK BY MANUAL OPERATION). 

   From the condition in step 1), turn the dimmer Hi SW to OFF.

   Does it switch to low beam?

   • Yes: Go to 3. 
   • No: Check the headlight system. Ref. to LIGHTING SYSTEM>Headlight System .
3. PERFORM RECOGNIZATION TEST (CHECK HBA HI PERMISSION FLAG). 
   1. Set the vehicle in a stopped state.
   2. Set the light SW position to Auto.
   3. Set the dimmer Hi SW to ON.
   4. Using the Subaru Select Monitor, check the data monitor [HBA Control Permission] of EyeSight. Ref. to EyeSight (DIAGNOSTICS)>Data Monitor .

   Is [HBA Control Permission] set to [Allowance]?

   • Yes: Replace the stereo camera. Ref. to EyeSight>Stereo Camera .
   • No: Check the headlight system. Ref. to LIGHTING SYSTEM>Headlight System .