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Home >> Subaru >> 2018 >> Forester 2.5i, Standard Trans >> Repair and Diagnosis >> Electrical >> Gauges >> Instrumentation System (Diagnostics) >> Basic Diagnostic Procedure >> Procedure

Basic Diagnostic Procedure: Procedure

  1. PERFORM CUSTOMER INTERVIEW  .

    Using the Check List for Interview, ask the customer the condition of how trouble occurs. Ref. to COMBINATION METER (DIAGNOSTICS)>Check List for Interview .

    Did you interview the customer?

    Yes: Go to  2.

    No: Interview the customer. Ref. to COMBINATION METER (DIAGNOSTICS)>Check List for Interview .

  2. CHECK CAN COMMUNICATION  .

    Read the DTC of the CAN system using the Subaru Select Monitor. Ref. to LAN SYSTEM (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .

    Are any DTCs displayed?

    Yes: Perform the diagnosis for the displayed DTCs. Ref. to LAN SYSTEM (DIAGNOSTICS)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .

    No: Go to  3.

  3. CHECK COMBINATION METER  .

    Using the Subaru Select Monitor, read DTC of combination meter. Ref. to COMBINATION METER (DIAGNOSTICS)>Diagnostic Trouble Code (DTC) .

    Are any DTCs displayed?

    Yes: Record the DTCs and time stamps, and perform the diagnosis for the displayed DTCs. Ref. to COMBINATION METER (DIAGNOSTICS)>List of Diagnostic Trouble Code (DTC) .

    NOTE: For time stamp, refer to "LAN SYSTEM". Ref. to LAN SYSTEM (DIAGNOSTICS)>General Description>CAUTION>TIME STAMP .

    No: Go to  4.

  4. CHECK COMBINATION METER  .

    Check the operation of combination meter. Ref. to COMBINATION METER (DIAGNOSTICS)>Active Test .

    Is the check result OK?

    Yes: System is normal.

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