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Home >> Toyota >> 2019 >> Tundra TRD Pro >> Repair and Diagnosis >> Brakes >> Brakes Control Systems >> Trailer Brake Control System - Diagnostics - Introduction >> Trailer Brake Control System >> How To Proceed With Troubleshooting [08/2015 - 08/2017] >> Procedure

How To Proceed With Troubleshooting [08/2015 - 08/2017]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

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

      Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2017]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK FOR DTC* 
    1. Check for DTCs.

      Refer to DTC CHECK / CLEAR [08/2015 - 08/2017] 

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [08/2015 - 08/2017] 

    3. Reconfirm the DTCs.
      1. Reconfirm the DTCs based on the recorded DTCs.

        Refer to DTC CHECK / CLEAR [08/2015 - 08/2017] 

        HINT: 

      Result

      Result Proceed to
      DTC is output A
      DTC is not output (Problem symptom does not occur) B
      DTC is not output (Problem symptom occurs) C

    Result: 

    See step  5

    Result: 

    See step  6

    Result: 

    See step  4

  4. DIAGNOSTIC TROUBLE CODE CHART 
    1. Proceed to Diagnostic Trouble Code Chart.

      Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2015 - 08/2017] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  7

  5. SYMPTOM SIMULATION 
    1. Proceed to How to Proceed with Troubleshooting.

      Refer to DIAGNOSIS SYSTEM [08/2015 - ] 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CIRCUIT INSPECTION* 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. IDENTIFICATION OF PROBLEM 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  8

  8. REPAIR OR REPLACEMENT 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  9

  9. CONFIRMATION TEST* 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END