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How To Proceed With Troubleshooting [08/2019 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. INSPECT BATTERY VOLTAGE 

    Standard voltage

    11 to 14 V

    If the voltage is below 11 V, recharge or replace the battery before proceeding.

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
    1. Use the Techstream to check if the CAN communication system is functioning normally.

      Refer to DIAGNOSIS SYSTEM [08/2019 - 08/2020] , or refer to DIAGNOSIS SYSTEM [08/2020 - 08/2021] , or refer to DIAGNOSIS SYSTEM [08/2021 - ]

      HINT: 

      The ECU of this system is connected to the CAN communication system.

      Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.

      Result

      Result Proceed to
      CAN DTCs are not output A
      CAN DTCs are output B

    Result: 

    CHECK CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - ] 

    Result: 

    See step  5

  5. CHECK DTC AND FREEZE FRAME DATA* 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [08/2019 - ] 

    2. Check for freeze frame data.

      HINT: 

      Record or print DTCs and freeze frame data if necessary.

    3. Clear the DTCs and freeze frame data.

      Refer to DTC CHECK / CLEAR [08/2019 - ] 

    4. Recheck for DTCs.

      Refer to DTC CHECK / CLEAR [08/2019 - ] 

      1. Simulate the malfunction condition and check if the DTCs are output again.

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    See step  10

    Result: 

    See step  6

  6. PROBLEM SYMPTOMS TABLE 
    1. Refer to Problem Symptoms Table.

      Refer to PROBLEM SYMPTOMS TABLE [08/2019 - 08/2021] , or refer to PROBLEM SYMPTOMS TABLE [08/2021 - ] 

      Result

      Result Proceed to
      Fault not listed in problem symptoms table A
      Fault listed in problem symptoms table B

    Result: 

    See step  8

    Result: 

    See step  7

  7. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Terminals of ECU.

      Refer to TERMINALS OF ECU [08/2019 - ] 

    2. Data List / Active Test.

      Refer to DATA LIST / ACTIVE TEST [08/2019 - ] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  8

  8. REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  9

  9. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END 

  10. GO TO DTC CHART. Refer To: DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ]  

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8