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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (Power Steering System - Diagnostic Codes & Circuit Tests (Hybrid)) >> POWER STEERING SYSTEM (for HV Model) >> DTC C1567: Error in Matching of ECUs [04/2018 - ] >> Procedure

DTC C1567: Error in Matching of ECUs [04/2018 - ]: Procedure

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  1. CHECK RELATED PART 
    1. Confirm if the related part has the correct part number.
      Related Part Hybrid vehicle control ECU
      Main body ECU (Multiplex network body ECU)
      Skid control ECU (Brake booster with master cylinder assembly)
      NOTE:

      When removing the related part to check it, be sure to follow the appropriate procedures and precautions.

      Result

      Result Proceed to
      The related part has the correct part number. A
      The related part has an incorrect part number. B

    Result: 

    See step  3

    Result: 

    See step  2

  2. CHECK FOR DTC 
    1. Select Health Check on the Techstream screen and check if system DTCs of the related part are output.

      HINT: 

      If system DTCs of the related part are stored, assist map writing to the power steering ECU (rack and pinion power steering gear assembly) may not be performed properly.

      Result

      Result Proceed to
      System DTCs of the related part are output. A
      System DTCs of the related part are not output. B

    Result: 

    GO TO DIAGNOSTIC PROCEDURE INDICATED BY OUTPUT DTC 

    Result: 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

  3. REPLACE RELATED PART WITH PART THAT HAS CORRECT PART NUMBER 
    1. Replace the related part with one that has the correct part number.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. CHECK FOR DTC 
    1. Check for DTCs.

      Chassis > EMPS > Trouble Codes 

      Result

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

    Result: 

    END 

    Result: 

    REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - ]