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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. Refer to COMBINATION METER (DIAGNOSTICS)>CHECK LIST FOR INTERVIEW .

    Did you interview the customer?

    Yes:  Go to  2.

    No:  Perform the interview, and Go to  2.

  2. PERFORM BASIC INSPECTION. 

    Perform basic inspection. Refer to COMBINATION METER (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. Refer to COMMON (DIAG)>DATA LINK CONNECTOR .
    3. Turn the ignition switch to ON and run the Subaru Select Monitor.
    4. Select [Combination Meter].
      NOTE: For detailed operation procedures, refer to "Help" of application.

    Is communication possible?

    Yes:  Go to  4.

    No:  Check the communication circuit. Refer to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE FOR SUBARU SELECT MONITOR COMMUNICATION .

  4. CHECK CAN COMMUNICATION. 

    Perform the diagnosis for LAN system. Refer to LAN SYSTEM (DIAGNOSTICS) (EXCEPT FOR HEV)>BASIC DIAGNOSTIC PROCEDURE . Refer to LAN SYSTEM (DIAGNOSTICS) (HEV)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .

    Is the check result OK?

    Yes:  Go to  5.

    No:  Perform the diagnosis for LAN system.

  5. CHECK COMBINATION METER. 

    Read the DTC of [Combination Meter] using the Subaru Select Monitor. Refer to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed? (Current malfunction)

    Yes:  Record the DTC, time stamp and freeze frame data, and Go to  7.

    No:  Go to  6.

  6. CHECK COMBINATION METER. 

    Check the operation of combination meter. Refer to COMBINATION METER (DIAGNOSTICS)>ACTIVE TEST .

    Is the operation of combination meter OK?

    Yes:  System is normal.

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

  7. PERFORM DIAGNOSIS. 
    1. Perform the diagnosis for the displayed DTCs. Refer to COMBINATION METER (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 [Combination Meter]. Refer to COMMON (DIAG)>CLEAR MEMORY .
    4. Execute the inspection mode. Refer to COMBINATION METER (DIAGNOSTICS)>INSPECTION MODE .
    5. Read the DTC of [Combination Meter] using the Subaru Select Monitor. Refer to COMBINATION METER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed? (Current malfunction)

    Yes:  Repeat step  7 until DTC is not shown. Go to  7.

    No:  Finish the diagnosis.

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