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Home >> Subaru >> 2019 >> Outback 2.5i >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System >> Day Time Running Light System >> Inspection >> Daytime Running Light Module Check

Daytime Running Light Module Check

  1. CHECK FUSE  .
    1. Turn the ignition switch to OFF.
    2. Check the fuse upstream of the daytime running light relay.

    Is the fuse OK?

    Yes  Go to  2 .

    No  Replace the fuse.

  2. CHECK RELAY  .

    Check the daytime running light relay. Ref. to LIGHTING SYSTEM>Relay and Fuse>INSPECTION .

    Is the relay OK?

    Yes  Go to  3 .

    No  Replace the relay.

  3. CHECK BODY INTEGRATED UNIT  .

    Read the DTC of body integrated unit using Subaru Select Monitor. Ref. to BODY CONTROL SYSTEM (DIAGNOSTICS)>READ DIAGNOSTIC TROUBLE CODE (DTC) .

    NOTE: For detailed operation procedures, refer to "Application help".

    Is DTC displayed?

    Yes  Perform the diagnosis according to DTC. Ref. to BODY CONTROL SYSTEM (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

    No  Go to  4 .

  4. CHECK CURRENT DATA  .

    Display the following items using Subaru Select Monitor.

    • <<Parking Brake Switch Input>>
    • <<EPB Operating status>>
    • <<Shift position>>
    • <<Lighting II Switch Input>>

    Is the input signal normal?

    Yes  Go to  5 .

    No  Check the defective part.

  5. CHECK CURRENT DATA  .
    1. Start the engine.
    2. Release the parking brake and place the shift position to other than P range.
    3. Display the data of <<Daytime Running Light Alternate System (R)Output>> and <<Daytime Running Light Alternate System (L)Output>> using Subaru Select Monitor.

    Do the displays of <<Daytime Running Light Alternate System (R)Output>> and <<Daytime Running Light Alternate System (L)Output>> switch <<OFF>>←→<<ON>> when switching the lighting switch from OFF position to II (HEAD) position?

    Yes  Go to  6 .

    No  Replace the body integrated unit. Ref. to SECURITY AND LOCKS>BODY INTEGRATED UNIT .

  6. CHECK DAYTIME RUNNING LIGHT ILLUMINATION  .
    1. Disconnect the headlight connector.
    2. Apply battery voltage on the headlight unit DRL terminal input.

    Terminals 

    Halogen type 

    No. 4 (+) - No. 3 (-):

    LED type 

    No. 12 (+) - No. 16 (-):

    Does the daytime running light illuminate?

    Yes  Go to  7 .

    No  Replace the headlight. Ref. to LIGHTING SYSTEM>Headlight Assembly .

  7. CHECK HARNESS  .
    1. Disconnect the connectors of body integrated unit, daytime running light relay and headlight.
    2. Check each harness.

    Is harness normal?

    Yes  Replace the body integrated unit. Ref. to SECURITY AND LOCKS>BODY INTEGRATED UNIT .

    No  Repair or replace the harness.

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