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How To Proceed With Troubleshooting [09/2014 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 
    1. Interview the customer to confirm the problem.

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 08/2016] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2019 - 09/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2020 - 01/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [01/2023 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. PRE-CHECK 
    1. Measure the battery voltage.

      Standard Voltage

      11 to 14 V

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

    2. Check the fuses and relays.
    3. Check the connector connections and terminals to make sure that there are no abnormalities such as loose connections, deformation, etc.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* 
    1. Using the Techstream, check for LIN communication system DTC.

      Refer to DTC CHECK / CLEAR [09/2014 - ]

      Result

      Result Proceed to
      DTC B14B5 is not output A
      DTC B14B5 is output B

    Result: 

    GO TO SEAT HEATER SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2014 - ] 

    Result: 

    See step  5

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

      Refer to PROBLEM SYMPTOMS TABLE [09/2014 - ] 

      Result

      Result Proceed to
      Fault is not listed in Problem Symptoms Table A
      Fault is listed in Problem Symptoms Table B

    Result: 

    See step  7

    Result: 

    See step  6

  6. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. Terminals of ECU

      Refer to TERMINALS OF ECU [09/2014 - 03/2019] , or refer to TERMINALS OF ECU [03/2019 - ] 

    2. On-vehicle Inspection

      Refer to ON-VEHICLE INSPECTION [09/2014 - ] 

    3. Inspection

      Refer to INSPECTION [09/2014 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  7. REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END