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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 AUTO START STOP (DIAGNOSTICS)>CHECK LIST FOR INTERVIEW>CHECK .

    Did you interview the customer?

    Yes  : Go to  2 .

    No  : Interview the customer. Ref. to AUTO START STOP (DIAGNOSTICS)>CHECK LIST FOR INTERVIEW>CHECK .

  2. CHECK Auto Start Stop OFF INDICATOR  .

    Does the Auto Start Stop warning light (yellow) illuminate?

    Yes  : Go to  3 .

    No  : Check the combination meter. Ref. to INSTRUMENTATION/DRIVER INFO>COMBINATION METER SYSTEM>OPERATION>SELF-DIAGNOSIS DISPLAY MODE .

  3. CHECK SUBARU SELECT MONITOR COMMUNICATION  .

    Check for communication with TCM.

    NOTE: If the communication function of the Subaru Select Monitor cannot be executed properly, check the communication circuit. Ref. to AUTO START STOP (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE FOR SUBARU SELECT MONITOR COMMUNICATION .

    Is communication possible?

    Yes  : Go to  4 .

    No  : Check the communication circuit. Ref. to AUTO START STOP (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE FOR SUBARU SELECT MONITOR COMMUNICATION .

  4. CHECK DTC  .

    Read the DTC related to the Auto Start Stop using the Subaru Select Monitor. Ref. to AUTO START STOP (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed?

    Yes  : Perform the diagnosis according to DTC. After diagnosis, Go to  5 .

    No  : Perform diagnosis according to the procedures in the diagnostics with phenomenon.

  5. PERFORM DIAGNOSIS  .
    1. Using the Subaru Select Monitor, perform the clear memory. Ref. to COMMON (DIAG)>CLEAR MEMORY .
    2. Execute the inspection mode. Ref. to AUTO START STOP (DIAGNOSTICS)>INSPECTION MODE .
    3. Read the DTC using Subaru Select Monitor. Ref. to AUTO START STOP (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed?

    Yes  : Perform the diagnosis according to DTC. Ref. to AUTO START STOP (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC)>LIST .

    No  : Finish the diagnosis.