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How To Proceed With Troubleshooting [01/2017 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. INSPECT AUXILIARY BATTERY VOLTAGE 
    1. Measure the auxiliary battery voltage with the power switch off.

      Standard voltage

      11 to 14 V

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

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
    1. Using the Techstream, check the CAN communication function to ensure that there are no malfunctions in the communication system.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 05/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ]

      Result

      Proceed to
      No DTCs output
      DTCs output

    Result: 

    DTCs output 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [01/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 05/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2023 - ] 

    Result: 

    No DTCs output 

    See step  4

  4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* 
    1. Using the Techstream, check the LIN communication function to ensure that there are no malfunctions in the communication system.

      Result

      Proceed to
      No DTCs output
      DTCs output

    Result: 

    DTCs output 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [01/2017 - 05/2023]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [05/2023 - ]  

    Result: 

    No DTCs output 

    See step  5

  5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Data List / Active Test

      Refer to DATA LIST / ACTIVE TEST [01/2017 - ] 

    2. Terminals of ECU

      Refer to TERMINALS OF ECU [01/2017 - 05/2023] , or refer to TERMINALS OF ECU [05/2023 - ] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. ADJUST, REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END