HIGH BEAM ASSIST INDICATOR DOES NOT ILLUMINATE (EyeSight HBA)

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  .
   1. Turn the ignition switch to ON.
   2. Using the Subaru Select Monitor, check the following items in the [Data monitor] of [Body Control]. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR 
      • High Beam Assist Function Setting (mirror/EyeSight)
      • High Beam Assist Current Setting

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

   Yes  : Go to  2.

   No  : Set [High Beam Assist Function Setting (mirror/EyeSight)] to [EyeSight HBA], and set [High Beam Assist Current Setting] to [ON].

2. CHECK DTC  .

   Using the Subaru Select Monitor, read all DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)

   Are any DTCs displayed? (Current code)

   Yes  : Perform the diagnosis for the displayed DTCs. Ref. to BODY CONTROL (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST 

   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". Ref. to EYESIGHT (DIAGNOSTICS)>EYESIGHT HALT CODE

   Is "EyeSight temporary stop indicator" displayed?

   Yes  : Perform inspection according to "EyeSight temporary stop code" in "ES (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 again.

   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  .

   Using the Subaru Select Monitor, check the following items in the [Active Test] of [Combination Meter]. Ref. to COMBINATION METER (DIAGNOSTICS)>ACTIVE TEST

   • HBA indicator

   Does the high beam assist indicator illuminate?

   Yes  : Replace the body integrated unit. Ref. to BODY CONTROL/COMMUNICATION SYSTEM>BODY INTEGRATED UNIT

   No  : Replace the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER