DTC B2683: Vehicle Specification Information Registration

DTC detecting condition: 

When the vehicle information cannot be received properly after operating the ignition switch.

Trouble symptom: 

High beam assist indicator does not illuminate.

1. CHECK DTC  .
   1. Turn the ignition switch to ON.
   2. Using the Subaru Select Monitor, read all DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)

   Is a DTC related to the combination meter or the body integrated unit displayed? (Current code)

   Yes  : Perform the diagnosis of DTCs other than B2683.

   No  : Go to  2.

2. CHECK DATA MONITOR  .

   Using the Subaru Select Monitor, check the following items in the [Data Monitor] of [Body Control]. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR 

   • <HBA>Head Lamp Low Beam Specification
   • <HBA>Head Lamp High Beam Specification

   Does it match the vehicle specification?

   Yes  : Go to  3.

   No  : Check the customize settings of the body integrated unit. When the setting of the body integrated unit is correct, replace the high beam assist module. Ref. to GLASS/WINDOWS/MIRRORS>REARVIEW MIRROR

3. CHECK DATA MONITOR  .
   1. Turn the ignition switch to OFF.
   2. Turn the ignition switch to ON and wait for at least 15 seconds.
   3. Using the Subaru Select Monitor, check the following items in the [Data Monitor] of [Body Control]. Ref. to BODY CONTROL (DIAGNOSTICS)>DATA MONITOR 
      • <HBA> Adjustment

   Is [Complete] displayed?

   Yes  : Even if DTC is displayed, 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  : Replace the high beam assist module. Ref. to GLASS/WINDOWS/MIRRORS>REARVIEW MIRROR