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Basic Diagnostic Procedure: Procedure

  1. PERFORM CUSTOMER INTERVIEW  .

    Ask the customer when and how the trouble occurred using the interview check list. Ref. to HEADLIGHT / FOGLIGHT (DIAGNOSTICS)>CHECK LIST FOR INTERVIEW .

    Did you interview the customer?

    Yes:  Go to  2.

    No:  Perform the interview, and Go to  2.

  2. BASIC INSPECTION  .

    Perform basic inspection. Ref. to HEADLIGHT / FOGLIGHT (DIAGNOSTICS)>GENERAL DESCRIPTION>INSPECTION .

    Is the check result OK?

    Yes:  Go to  3.

    No:  Repair the faulty part found in basic inspection, and Go to  3.

  3. CHECK SUBARU SELECT MONITOR COMMUNICATION  .
    1. Turn the ignition switch to OFF.
    2. Connect the Subaru Select Monitor to data link connector. Ref. to COMMON (DIAG)>DATA LINK CONNECTOR .
    3. Turn the ignition switch to ON.
    4. Run the Subaru Select Monitor.
    5. Select [Headlight/Foglight].
    NOTE: For detailed operation procedures, refer to "Help" of application.

    Is communication possible?

    Yes:  Go to  4.

    No:  Check the communication circuit. Ref. to HEADLIGHT / FOGLIGHT (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE FOR SUBARU SELECT MONITOR COMMUNICATION .

  4. CHECK DTC  .
    1. Read the DTC of [Headlight/Foglight] using the Subaru Select Monitor. Ref. to HEADLIGHT / FOGLIGHT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
    2. Record all DTCs, time stamp and freeze frame data.
    NOTE: For time stamp, refer to "LAN SYSTEM". Ref. to LAN SYSTEM (DIAGNOSTICS) (EXCEPT FOR HEV)>GENERAL DESCRIPTION>CAUTION>TIME STAMP . Ref. to LAN SYSTEM (DIAGNOSTICS) (HEV)>GENERAL DESCRIPTION>CAUTION>TIME STAMP .

    Are any DTCs displayed? (Current malfunction)

    Yes:  Record the DTC, time stamp and freeze frame data, and Go to  5.

    No:  Perform diagnosis according to the procedures in the diagnostics with phenomenon. Ref. to HEADLIGHT / FOGLIGHT (DIAGNOSTICS)>DIAGNOSTICS WITH PHENOMENON .

  5. PERFORM DIAGNOSIS  .
    1. Perform the diagnosis according to the displayed DTC. Ref. to HEADLIGHT / FOGLIGHT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .
    2. Repair or replace the cause of trouble.
    3. Using the Subaru Select Monitor, perform the clear memory of [Headlight/Foglight]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
    4. Execute the inspection mode. Ref. to HEADLIGHT / FOGLIGHT (DIAGNOSTICS)>INSPECTION MODE .
    5. Read the DTC of [Headlight/Foglight] using the Subaru Select Monitor. Ref. to HEADLIGHT / FOGLIGHT (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed? (Current malfunction)

    Yes:  Repeat step  5 until DTC is not shown.

    No:  Finish the diagnosis.

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