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Model With SRH

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Operate the appropriate switch according to the inspection condition. 

  1. CHECK DTC  .
    1. Turn the ignition switch to ON.
    2. Read DTCs of the following items using the Subaru Select Monitor. Ref. to LAN SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)
      • [Body Control]
      • [Front Relay Control Module]

    Is DTC displayed?

    Yes  : Perform the diagnosis for the displayed DTCs.

    No  : Go to  2.

  2. CHECK DATA MONITOR  .

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

    • [IGN voltage]
    • [Shift Position]
    • [EPB operating status]
    • [P SW]
    • [Lighting II Switch Input]

    Is the input signal normal?

    Yes  : Go to  3.

    No  : Check the defective part.

  3. CHECK DATA MONITOR  .
    1. Start the engine.
    2. Release the parking brake.
    3. Using Subaru Select Monitor, display [Daytime Running Light (Alternate System) Output] in [Data monitor] of [Body Control]. Ref. to COMMON (DIAGNOSTICS)>DATA MONITOR

    Does the display of [Daytime Running Light (Alternate System) Output] switch between [OFF] ←→ [ON] when the lighting switch is switched from the OFF position to the 2 (HEAD) position?

    Yes  : Check the headlight assembly and replace it if defective.

    No  : Check the body integrated unit and replace it if defective.