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Home >> Toyota >> 2019 >> Yaris LE >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Power Steering System - Diagnostic Codes >> Power Steering System >> DTC U2300-54: Central Configuration missing calibration; DTC U2300-55: Central Configuration not configured; DTC U2300-56: Central Configuration invalid / incompatible configuration [07/2015 - ] >> Procedure
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DTC U2300-54: Central Configuration missing calibration; DTC U2300-55: Central Configuration not configured; DTC U2300-56: Central Configuration invalid / incompatible configuration [07/2015 - ]: Procedure

  1. RECORD CONFIGURATION DATA 
    1. Switch the ignition OFF.
    2. Switch the ignition ON (engine off or on), and maintain this condition for approx. 1 min.
    3. Switch the ignition OFF, and maintain this condition for approx. 3 s.
    4. Switch the ignition ON (engine off or on).

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. VERIFY POWER STEERING ECU DTC 
    1. Clear the DTC.

      Refer to DTC CHECK / CLEAR [07/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ]

      Chassis > Electronic-Controlled Power Steering > Clear DTCs 

    2. Recheck for DTCs.

      Refer to DTC CHECK / CLEAR [07/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ]

      Chassis > Electronic-Controlled Power Steering > Trouble Codes 

    3. Is the same DTC present?

      Result

      Proceed to
      Yes
      No

    Result: 

    Yes 

    See step  7

    Result: 

    No 

    See step  5

  3. VERIFY COMBINATION METER DTC 
    1. Recheck for DTCs.

      Refer to DTC CHECK / CLEAR [07/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ]

      Body Electrical > Combination Meter > Trouble Codes 

    2. Are any DTCs present?

      Result

      Proceed to
      Yes
      No

    Result: 

    Yes 

    GO TO APPLICABLE DTC INSPECTION. 

    1. Refer to DIAGNOSTIC TROUBLE CODE CHART [07/2015 - 08/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ]
    2. Repair the combination meter, then perform the configuration for the combination meter.
      1. Refer to DISASSEMBLY [07/2015 - ]
      2. Refer to INSPECTION [07/2015 - ]

    Result: 

    No 

    See step  4

  4. VERIFY POWER STEERING ECU DTC 
    1. Clear the DTC.

      Refer to DTC CHECK / CLEAR [07/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ]

      Chassis > Electronic-Controlled Power Steering > Clear DTCs 

    2. Recheck for DTCs.

      Refer to DTC CHECK / CLEAR [07/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ]

      Chassis > Electronic-Controlled Power Steering > Trouble Codes 

    3. Is the same DTC present?

      Result

      Proceed to
      Yes
      No

    Result: 

    Yes 

    See step  6

    Result: 

    No 

    See step  5

  5. VERIFY NO DTC IS PRESENT 
    1. Are any DTCs present?

      Result

      Proceed to
      Yes
      No

    Result: 

    No 

    DTC TROUBLESHOOTING COMPLETED. 

    Result: 

    Yes 

    GO TO APPLICABLE DTC INSPECTION.. Refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2015 - 08/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2019 - ] 

  6. REPEAT THE INSPECTION FROM STEP 1. 
    1. If the malfunction recurs, replace the steering column, then go to the next step.

      Refer to REMOVAL [07/2015 - 08/2018] , or refer to REMOVAL [08/2018 - 08/2019] , or refer to REMOVAL [08/2019 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  5

  7. REPEAT THE INSPECTION FROM STEP 1. 
    1. If the malfunction recurs, go to the next step.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3