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Home >> Subaru >> 2019 >> WRX Base >> Repair and Diagnosis >> Transmission >> Manual Trans >> Manual Transmission And Differential (Diagnostics) >> Basic Diagnostic Procedure >> Procedure

Basic Diagnostic Procedure: Procedure

  1. START INSPECTIONS. 
    1. Use the Check List for Interview to confirm the condition of the problem from the user. Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS) (6MT)>CHECK LIST FOR INTERVIEW .
    2. Check the items related to DCCD.

    Is the check result OK?

    Yes  Go to  2.

    No  Repair the defective items.

  2. CHECK DTC. 

    Read the DTC. Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS) (6MT)>SUBARU SELECT MONITOR .

    NOTE:

    Are DTC, time stamp and freeze frame data displayed?

    Yes  Record the DTC, time stamp and freeze frame data. Go to  3.

    NOTE:

    No  Inspect based on the general diagnosis table. Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS) (6MT)>DIAGNOSTICS WITH PHENOMENON .

  3. PERFORM DIAGNOSIS. 
    1. Inspect and repair all DTC using the "Diagnostic Procedure with Diagnostic Trouble Code (DTC)". Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS) (6MT)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) .
      NOTE: Refer to "List of Diagnostic Trouble Code (DTC)" for DTC. Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS) (6MT)>LIST OF DIAGNOSTIC TROUBLE CODE (DTC) .
    2. Start the engine.
    3. Read the DTC using Subaru Select Monitor.

      Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS) (6MT)>SUBARU SELECT MONITOR .

    Are any DTCs displayed?

    Yes  Record all DTC using the "Diagnostic Procedure with Diagnostic Trouble Code (DTC)" for the inspection. Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS) (6MT)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC) . Repeat execute diagnosis until DTC no longer appears.

    No  Inspect based on the general diagnosis table. Refer to MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS) (6MT)>DIAGNOSTICS WITH PHENOMENON .