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How To Proceed With Troubleshooting [06/2016 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. CUSTOMER PROBLEM ANALYSIS 

    HINT: 

    • In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
    • Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
    • The following 5 items are important points in the problem analysis:
      What Vehicle model, system name
      When Date, time, occurrence frequency
      Where Road conditions
      Under what conditions? Running conditions, driving conditions, weather conditions
      How did it happen? Problem symptoms

    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 to the next step.

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  4

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

      Refer to DIAGNOSIS SYSTEM [06/2016 - 03/2017] , or refer to DIAGNOSIS SYSTEM [03/2017 - ]

      Result

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

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - 03/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] 

    Result: 

    See step  5

  5. INSPECT COMMUNICATION FUNCTION OF LIN COMMUNICATION SYSTEM* 
    1. Using the Techstream, inspect the LIN communication function to ensure there are no malfunctions in the communication system.

      Refer to DTC CHECK / CLEAR [06/2016 - ]

      Result

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

    Result: 

    GO TO LIN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - ] 

    Result: 

    See step  6

  6. CHECK FOR DTC* 

    HINT: 

    Refer to DTC Check / Clear.

    Refer to DTC CHECK / CLEAR [06/2016 - ] 

    Result

    Result Proceed to
    No code A
    Trouble Code B

    Result: 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [06/2016 - ]  

    Result: 

    See step  7

  7. REFER TO PROBLEM SYMPTOMS TABLE 

    HINT: 

    Refer to Problem Symptoms Table.

    Refer to PROBLEM SYMPTOMS TABLE [06/2016 - ] 

    Result

    Result Proceed to
    Malfunctioning parts not confirmed A
    Malfunctioning parts confirmed B

    Result: 

    See step  11

    Result: 

    See step  8

  8. OVERALL ANALYSIS AND TROUBLESHOOTING* 

    HINT: 

    Refer to Data List / Active Test.

    Refer to DATA LIST / ACTIVE TEST [06/2016 - ] 

    Result

    Result Proceed to
    Malfunctioning parts not confirmed A
    Malfunctioning parts confirmed B

    Result: 

    See step  11

    Result: 

    See step  9

  9. CHECK ECU CIRCUIT 

    HINT: 

    Refer to Terminals of ECU.

    Refer to TERMINALS OF ECU [06/2016 - ] 

    Result

    Result
    OK
    NG

    Result: 

    NG 

    See step  11

    Result: 

    OK 

    See step  10

  10. CHECK FOR INTERMITTENT PROBLEMS 

    HINT: 

    Refer to Symptom Simulation.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2016 - 03/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  11

  11. CONDUCT PARTS INSPECTION 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  12

  12. IDENTIFY PROBLEM 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  13

  13. ADJUST AND/OR REPAIR 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  14

  14. CONDUCT CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END