High Beam Assist Indicator Does Not Illuminate: Trouble symptom

High beam assist indicator light does not illuminate though the operating conditions for the high beam assist are met.

1. CHECK BODY INTEGRATED UNIT SETTING. 

   Using the Subaru Select Monitor, check the data monitor [High Beam Assist Function Setting (EyeSight System)] and [High Beam Assist Current Setting] of the body control.

   Is [High Beam Assist Function Setting (EyeSight System)] set to [ON], and [High Beam Assist Current Setting] set to [ON]?

   • Yes: Go to 2. 
   • No: Set [High Beam Assist Function Setting (EyeSight System)] to [ON], and set [High Beam Assist Current Setting] to [ON].
2. CHECK DTC. 

   Using the Subaru Select Monitor, read all DTCs.

   Are any DTCs displayed? (Current malfunction)

   • Yes: Perform the diagnosis for the displayed DTCs.
   • No: Go to 3. 
3. CHECK "EyeSight TEMPORARY STOP INDICATOR". 
   1. Turn the ignition switch to OFF.
   2. Turn the ignition switch to ON.
   3. Check "EyeSight temporary stop indicator".

   Is "EyeSight temporary stop indicator" displayed?

   • Yes: Perform inspection according to "Check EyeSight temporary stop code" in "EyeSight (DIAGNOSTICS)".
   • No: Go to 4. 
4. CHECK HIGH BEAM ASSIST INDICATOR. 
   1. Turn the ignition switch to ON.
   2. Set the light SW position to Auto.
   3. Set the dimmer Hi SW to ON.
   4. Shade the illumination sensor for the auto lighting.

   Does the high beam assist indicator illuminate?

   • Yes: The circuit has returned to a normal condition at this time. Reproduce the failure, and then perform the diagnosis.
     NOTE: In this case, temporary poor contact of connector, temporary open or short circuit of harness may be the cause.
   • No: Go to 5. 
5. CHECK HIGH BEAM ASSIST INDICATOR. 

   Connect the Subaru Select Monitor, and, perform the active test [HBA indicator] for the combination meter. Ref. to COMBINATION METER (DIAGNOSTICS)>Active Test .

   Does the high beam assist indicator illuminate?

   • Yes: Replace the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>Combination Meter .
   • No: Replace the body integrated unit. Ref. to SECURITY AND LOCKS>Body Integrated Unit .