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How To Proceed With Troubleshooting [11/2021 - ]: Procedure

  1. CHECK ENGINE START FAILURE 
    1. Ask the customer when and how the trouble occurred using the Check List for Interview.
    2. Start the engine.

      Does the engine start?

      Result Proceed to
      Yes A
      No (Check "Diagnostics with Phenomenon".) B

    Result: 

    CHECK DIAGNOSTICS WITH PHENOMENON 

    Refer to PROBLEM SYMPTOMS TABLE [11/2021 - ] 

    Result: 

    See step  2

  2. CHECK ILLUMINATION OF MALFUNCTION INDICATOR LIGHT 
    1. Check the illumination status of malfunction indicator light.

      Does the malfunction indicator light illuminate?

      Result Proceed to
      Yes A
      No (Check "Warning Light Illumination Pattern".) B

    Result: 

    CHECK WARNING LIGHT ILLUMINATION PATTERN 

    Refer to DIAGNOSIS SYSTEM [11/2021 - 12/2023] , or refer to DIAGNOSIS SYSTEM [12/2023 - ]

    Result: 

    See step  3

  3. CHECK COMMUNICATION STATUS 
    1. Turn the ignition switch to OFF.
    2. Connect the GTS or general scan tool to the data link connector.
    3. Turn the ignition switch to ON, and run the GTS or general scan tool.

      HINT: 

      General scan tool

      For detailed operation procedures, refer to the general scan tool operation manual.

      Does GTS or general scan tool communicate with vehicle normally?

      Result Proceed to
      Yes A
      No (Perform the inspection according to "Basic Diagnostic Procedure" of LAN system.) B

    Result: 

    PERFORM THE INSPECTION ACCORDING TO "BASIC DIAGNOSTIC PROCEDURE" 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]

    Result: 

    See step  4

  4. CHECK DTC 
    1. Using GTS or a general scan tool, read the DTC of [Engine].

      Powertrain > Engine Control System > Trouble Codes 

      Is DTC for [Engine] displayed? (Current code)

      Result Proceed to
      Yes (Save DTC and Freeze Frame Data, then repair the trouble cause.) A
      No (Repair the related parts.)
      HINT: 
      If DTC is not shown on display although the malfunction indicator light illuminates, perform the diagnosis of malfunction indicator light circuit or combination meter assembly.
      Refer to DIAGNOSIS SYSTEM [11/2021 - 12/2023] , or refer to DIAGNOSIS SYSTEM [12/2023 - ]
      B

    Result: 

    REPAIR THE RELATED PARTS 

    Result: 

    See step  5

  5. CHECK DTC 

    Save DTC and Freeze Frame Data, then repair the trouble cause.

    After repair, go to the next step.

    Result Proceed to
    Yes NEXT

    Result: 

    NEXT 

    See step  6

  6. FINAL CHECK 
    1. Connect all connectors.
    2. Using the GTS or a general scan tool, perform the clear memory of [Engine].

      Powertrain > Engine Control System > Clear DTCs 

    3. Execute the inspection mode.

      Refer to SYSTEM NORMAL CONDITION CHECK [11/2021 - 06/2022] , or refer to SYSTEM NORMAL CONDITION CHECK [06/2022 - 12/2023] , or refer to SYSTEM NORMAL CONDITION CHECK [12/2023 - 10/2024] , or refer to SYSTEM NORMAL CONDITION CHECK [10/2024 - ] 

    4. Read the all readiness code of [Engine] using GTS and check that the concerned DTC is completed.

      Powertrain > Engine Control System > Utility 

      Tester Display
      All Readiness
    5. Using the GTS or a general scan tool, read the DTC of [Engine].

      Powertrain > Engine Control System > Trouble Codes 

      Is DTC for [Engine] displayed? (Current code)

      Result Proceed to
      Yes (Check the connection of connector. If there is no faulty connector, perform the diagnosis for the displayed DTCs.) A
      No (Finish the diagnosis.) B

    Result: 

    GO TO DTC CHART 

    Check the connection of connector. If there is no faulty connector, perform the diagnosis for the displayed DTCs.

    Refer to DIAGNOSTIC TROUBLE CODE CHART [11/2021 - 06/2022] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2022 - 12/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [12/2023 - 10/2024] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2024 - ]

    Result: 

    END